./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH --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 f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:15:35,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:15:35,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:15:35,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:15:35,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:15:35,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:15:35,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:15:35,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:15:35,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:15:35,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:15:35,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:15:35,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:15:35,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:15:35,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:15:35,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:15:35,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:15:35,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:15:35,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:15:35,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:15:35,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:15:35,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:15:35,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:15:35,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:15:35,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:15:35,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:15:35,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:15:35,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:15:35,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:15:35,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:15:35,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:15:35,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:15:35,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:15:35,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:15:35,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:15:35,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:15:35,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:15:35,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:15:35,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:15:35,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:15:35,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:15:35,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:15:35,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:15:35,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:15:35,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:15:35,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:15:35,450 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:15:35,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:15:35,450 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:15:35,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:15:35,451 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:15:35,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:15:35,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:15:35,458 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:15:35,458 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:15:35,458 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:15:35,458 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:15:35,459 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:15:35,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:15:35,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:15:35,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:15:35,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:15:35,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:15:35,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:15:35,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:15:35,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:15:35,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:15:35,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:15:35,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:15:35,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:15:35,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:15:35,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:15:35,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:15:35,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:15:35,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:15:35,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:15:35,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:15:35,464 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:15:35,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:15:35,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:15:35,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:15:35,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:15:35,465 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_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 [2021-11-03 05:15:35,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:15:35,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:15:35,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:15:35,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:15:35,767 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:15:35,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-03 05:15:35,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/data/7a64986bf/2c45af3b6f7e42028ba84525d718b49f/FLAG6d92cde8f [2021-11-03 05:15:36,349 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:15:36,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-03 05:15:36,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/data/7a64986bf/2c45af3b6f7e42028ba84525d718b49f/FLAG6d92cde8f [2021-11-03 05:15:36,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/data/7a64986bf/2c45af3b6f7e42028ba84525d718b49f [2021-11-03 05:15:36,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:15:36,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:15:36,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:15:36,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:15:36,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:15:36,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:15:36" (1/1) ... [2021-11-03 05:15:36,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a33bdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:36, skipping insertion in model container [2021-11-03 05:15:36,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:15:36" (1/1) ... [2021-11-03 05:15:36,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:15:36,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:15:36,990 WARN L228 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_7ec3555c-56dd-4684-bc07-d79970e771ef/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-03 05:15:37,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:15:37,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:15:37,218 WARN L228 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_7ec3555c-56dd-4684-bc07-d79970e771ef/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-03 05:15:37,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:15:37,348 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:15:37,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37 WrapperNode [2021-11-03 05:15:37,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:15:37,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:15:37,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:15:37,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:15:37,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:15:37,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:15:37,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:15:37,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:15:37,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:15:37,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:15:37,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:15:37,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:15:37,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (1/1) ... [2021-11-03 05:15:37,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:15:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:15:37,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:15:37,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:15:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 05:15:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 05:15:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:15:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:15:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:15:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:15:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:15:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:15:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:15:38,066 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:15:38,079 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:15:38,099 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:15:38,100 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:15:38,118 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:15:38,120 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:15:43,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-12: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-12: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-14: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-15: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-15: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-17: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-18: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-18: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-20: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-60: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-60: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-62: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-63: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-63: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-65: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-66: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-66: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-68: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-110: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-111: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-111: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-113: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume 0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-03 05:15:43,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume !(0 != __CS_cs_#t~nondet6 && 6 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-03 05:15:43,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-116: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-03 05:15:43,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##204: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##211: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,065 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-4: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,069 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-5: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,069 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-6: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,069 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-20: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,070 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-21: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,070 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-22: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,070 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-36: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,070 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-37: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-38: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-03 05:15:43,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-8: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-8: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-36: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-36: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-64: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-64: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-4: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-4: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 05:15:43,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-5: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-5: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 7 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-03 05:15:43,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-6: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-6: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 05:15:43,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##353: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:15:43,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-20: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-20: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 05:15:43,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-21: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-21: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 7 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-03 05:15:43,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-22: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-22: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 05:15:43,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 05:15:43,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-03 05:15:43,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-37: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-37: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 7 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-03 05:15:43,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-38: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-03 05:15:43,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-38: assume !(0 != ~__CS_ret~0 % 256); [2021-11-03 05:15:43,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !(0 == assume_abort_if_not_~cond); [2021-11-03 05:16:04,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:16:04,770 INFO L299 CfgBuilder]: Removed 338 assume(true) statements. [2021-11-03 05:16:04,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:16:04 BoogieIcfgContainer [2021-11-03 05:16:04,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:16:04,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:16:04,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:16:04,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:16:04,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:15:36" (1/3) ... [2021-11-03 05:16:04,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b357336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:16:04, skipping insertion in model container [2021-11-03 05:16:04,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:37" (2/3) ... [2021-11-03 05:16:04,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b357336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:16:04, skipping insertion in model container [2021-11-03 05:16:04,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:16:04" (3/3) ... [2021-11-03 05:16:04,783 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_fib_longer-1.i [2021-11-03 05:16:04,788 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:16:04,788 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:16:04,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:16:04,837 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 [2021-11-03 05:16:04,837 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:16:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 05:16:04,856 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:04,856 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:04,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:04,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:04,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1781687212, now seen corresponding path program 1 times [2021-11-03 05:16:04,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:04,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144981163] [2021-11-03 05:16:04,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:04,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:16:05,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:05,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144981163] [2021-11-03 05:16:05,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144981163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:16:05,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:16:05,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:16:05,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771576004] [2021-11-03 05:16:05,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:16:05,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:05,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:16:05,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:16:05,303 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:07,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:07,458 INFO L93 Difference]: Finished difference Result 93 states and 151 transitions. [2021-11-03 05:16:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:16:07,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 05:16:07,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:07,468 INFO L225 Difference]: With dead ends: 93 [2021-11-03 05:16:07,468 INFO L226 Difference]: Without dead ends: 47 [2021-11-03 05:16:07,471 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:16:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-03 05:16:07,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-11-03 05:16:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 45 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 74 transitions. [2021-11-03 05:16:07,503 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 74 transitions. Word has length 10 [2021-11-03 05:16:07,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:07,503 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 74 transitions. [2021-11-03 05:16:07,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2021-11-03 05:16:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 05:16:07,505 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:07,505 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:07,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:16:07,505 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:07,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:07,506 INFO L85 PathProgramCache]: Analyzing trace with hash -58161072, now seen corresponding path program 1 times [2021-11-03 05:16:07,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:07,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131832768] [2021-11-03 05:16:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:07,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:16:07,587 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:07,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131832768] [2021-11-03 05:16:07,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131832768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:16:07,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:16:07,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:16:07,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625679120] [2021-11-03 05:16:07,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:16:07,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:07,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:16:07,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:16:07,591 INFO L87 Difference]: Start difference. First operand 46 states and 74 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:07,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:07,631 INFO L93 Difference]: Finished difference Result 91 states and 148 transitions. [2021-11-03 05:16:07,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:16:07,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 05:16:07,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:07,633 INFO L225 Difference]: With dead ends: 91 [2021-11-03 05:16:07,633 INFO L226 Difference]: Without dead ends: 47 [2021-11-03 05:16:07,634 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:16:07,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-03 05:16:07,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-03 05:16:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 46 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 75 transitions. [2021-11-03 05:16:07,641 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 75 transitions. Word has length 12 [2021-11-03 05:16:07,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:07,641 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 75 transitions. [2021-11-03 05:16:07,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2021-11-03 05:16:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 05:16:07,642 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:07,642 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:07,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:16:07,643 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:07,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:07,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1019663769, now seen corresponding path program 1 times [2021-11-03 05:16:07,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:07,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487983931] [2021-11-03 05:16:07,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:07,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:16:07,769 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:07,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487983931] [2021-11-03 05:16:07,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487983931] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:16:07,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093216671] [2021-11-03 05:16:07,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:07,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:16:07,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:16:07,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:16:07,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:16:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:08,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:16:08,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:16:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:16:08,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:16:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:16:08,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093216671] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:16:08,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [917290332] [2021-11-03 05:16:08,333 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 05:16:08,333 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:16:08,337 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:16:08,342 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:16:08,347 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:16:08,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:08,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:08,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:08,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:16:08,424 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:08,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 05:16:08,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:08,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:08,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:08,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:16:08,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:08,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:16:08,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:08,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:08,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 05:16:08,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 919 [2021-11-03 05:16:08,565 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_67|, v_~__CS_thread~0.offset_201, v_~__CS_thread~0.base_201], 351=[|v_#valid_333|]} [2021-11-03 05:16:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:09,856 INFO L244 Elim1Store]: Index analysis took 1222 ms [2021-11-03 05:16:09,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 05:16:09,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:09,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:16:09,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:09,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:16:09,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:09,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:10,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:10,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:16:10,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:10,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:10,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:10,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:10,098 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:10,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:10,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:10,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:16:10,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:10,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:10,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:10,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:10,272 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:10,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:10,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:10,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:10,967 INFO L244 Elim1Store]: Index analysis took 255 ms [2021-11-03 05:16:11,220 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 05:16:11,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 05:16:11,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:16:11,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:16:11,243 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:11,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:11,319 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,327 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_1026|, |v_#memory_$Pointer$.offset_1026|], 6=[|v_#memory_int_650|]} [2021-11-03 05:16:11,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:16:11,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:11,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:11,363 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:11,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:11,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:16:11,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:11,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:11,478 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:11,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:11,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:11,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:11,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 05:16:11,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:16:11,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:16:11,652 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:11,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:11,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 667 [2021-11-03 05:16:11,804 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:16:11,805 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:910, output treesize:667 [2021-11-03 05:16:11,837 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 05:16:11,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:16:11,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:16:11,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:11,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:11,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:16:11,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:16:11,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:16:11,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:11,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:11,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:16:11,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:11,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:16:11,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:11,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:16:11,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-03 05:16:11,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-03 05:16:11,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-11-03 05:16:11,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 823 [2021-11-03 05:16:11,920 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.base_1027|, |v_#memory_$Pointer$.offset_1027|], 36=[|v_#memory_int_651|]} [2021-11-03 05:16:11,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:11,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:11,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:11,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:11,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:11,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:11,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:11,963 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:16:11,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:12,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:12,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:12,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:12,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:12,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:12,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:12,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:12,061 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:16:12,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:12,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:12,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 05:16:12,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:12,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:12,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:12,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 05:16:12,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:12,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:16:12,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:16:12,261 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 11 [2021-11-03 05:16:12,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:16:12,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:12,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:16:12,263 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:12,264 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:16:12,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:16:12,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-11-03 05:16:12,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817098698] [2021-11-03 05:16:12,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:16:12,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:16:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:16:12,267 INFO L87 Difference]: Start difference. First operand 47 states and 75 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:12,355 INFO L93 Difference]: Finished difference Result 94 states and 152 transitions. [2021-11-03 05:16:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:16:12,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 05:16:12,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:12,356 INFO L225 Difference]: With dead ends: 94 [2021-11-03 05:16:12,356 INFO L226 Difference]: Without dead ends: 49 [2021-11-03 05:16:12,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:16:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-03 05:16:12,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-03 05:16:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.6041666666666667) internal successors, (77), 48 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 77 transitions. [2021-11-03 05:16:12,366 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 77 transitions. Word has length 13 [2021-11-03 05:16:12,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:12,366 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 77 transitions. [2021-11-03 05:16:12,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2021-11-03 05:16:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 05:16:12,368 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:12,368 INFO L513 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:12,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-03 05:16:12,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:16:12,584 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash 775049337, now seen corresponding path program 2 times [2021-11-03 05:16:12,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:12,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343413400] [2021-11-03 05:16:12,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:12,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 05:16:12,793 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:12,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343413400] [2021-11-03 05:16:12,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343413400] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:16:12,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721326938] [2021-11-03 05:16:12,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:16:12,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:16:12,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:16:12,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:16:12,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:16:15,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-03 05:16:15,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:16:15,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:16:15,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:16:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:16:15,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:16:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:16:15,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721326938] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:16:15,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:16:15,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-03 05:16:15,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742259419] [2021-11-03 05:16:15,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:16:15,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:15,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:16:15,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:16:15,655 INFO L87 Difference]: Start difference. First operand 49 states and 77 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:24,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:24,708 INFO L93 Difference]: Finished difference Result 80 states and 125 transitions. [2021-11-03 05:16:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:16:24,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 05:16:24,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:24,710 INFO L225 Difference]: With dead ends: 80 [2021-11-03 05:16:24,710 INFO L226 Difference]: Without dead ends: 66 [2021-11-03 05:16:24,711 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:16:24,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-03 05:16:24,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-03 05:16:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.5846153846153845) internal successors, (103), 65 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2021-11-03 05:16:24,719 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 15 [2021-11-03 05:16:24,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:24,720 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2021-11-03 05:16:24,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2021-11-03 05:16:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 05:16:24,721 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:24,721 INFO L513 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:24,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-03 05:16:24,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-03 05:16:24,949 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:24,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:24,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1397525908, now seen corresponding path program 1 times [2021-11-03 05:16:24,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:24,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944875873] [2021-11-03 05:16:24,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:24,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 05:16:25,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:25,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944875873] [2021-11-03 05:16:25,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944875873] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:16:25,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883811676] [2021-11-03 05:16:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:25,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:16:25,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:16:25,144 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:16:25,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:16:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:25,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:16:25,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:16:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 05:16:25,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:16:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 05:16:25,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883811676] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:16:25,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [444275650] [2021-11-03 05:16:25,685 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-03 05:16:25,685 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:16:25,686 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:16:25,686 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:16:25,686 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:16:25,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:25,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:16:25,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:25,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 05:16:25,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:25,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:16:25,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:25,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:25,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:25,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 05:16:25,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:25,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:25,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:25,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:16:25,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 919 [2021-11-03 05:16:25,777 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_205, |v_#length_69|, v_~__CS_thread~0.offset_205], 351=[|v_#valid_335|]} [2021-11-03 05:16:25,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:16:25,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:25,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:25,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:25,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:25,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:25,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:25,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:25,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:26,960 INFO L244 Elim1Store]: Index analysis took 1009 ms [2021-11-03 05:16:26,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 05:16:26,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:26,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:16:26,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:26,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:16:26,967 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:26,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:27,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:16:27,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:27,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:27,082 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:27,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:27,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:27,584 INFO L244 Elim1Store]: Index analysis took 201 ms [2021-11-03 05:16:27,755 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 05:16:27,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 05:16:27,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:16:27,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:16:27,819 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:27,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:27,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,912 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_1040|, |v_#memory_$Pointer$.base_1040|], 6=[|v_#memory_int_664|]} [2021-11-03 05:16:27,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:16:27,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:27,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:27,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:27,955 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:27,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:28,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:16:28,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:28,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:28,070 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:28,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:28,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:28,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 05:16:28,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:16:28,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:16:28,196 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:28,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:28,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 667 [2021-11-03 05:16:28,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:16:28,341 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:910, output treesize:667 [2021-11-03 05:16:28,382 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 05:16:28,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:16:28,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:16:28,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:16:28,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:16:28,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:16:28,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-03 05:16:28,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-03 05:16:28,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-11-03 05:16:28,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:16:28,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:16:28,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:16:28,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 823 [2021-11-03 05:16:28,465 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_1041|, |v_#memory_$Pointer$.base_1041|], 36=[|v_#memory_int_665|]} [2021-11-03 05:16:28,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,494 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:16:28,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:28,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:28,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:28,614 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:16:28,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:28,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:28,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 05:16:28,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:28,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 05:16:28,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:28,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:16:28,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:16:28,848 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 11 [2021-11-03 05:16:28,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:16:28,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:28,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:16:28,850 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:28,850 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:16:28,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:16:28,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-03 05:16:28,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261348924] [2021-11-03 05:16:28,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:16:28,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:28,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:16:28,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:16:28,852 INFO L87 Difference]: Start difference. First operand 66 states and 103 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:30,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:30,978 INFO L93 Difference]: Finished difference Result 140 states and 218 transitions. [2021-11-03 05:16:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:16:30,978 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-03 05:16:30,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:30,979 INFO L225 Difference]: With dead ends: 140 [2021-11-03 05:16:30,979 INFO L226 Difference]: Without dead ends: 81 [2021-11-03 05:16:30,980 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:16:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-03 05:16:30,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-11-03 05:16:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.5125) internal successors, (121), 80 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2021-11-03 05:16:30,990 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 17 [2021-11-03 05:16:30,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:30,991 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2021-11-03 05:16:30,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:30,991 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2021-11-03 05:16:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 05:16:30,993 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:30,994 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:31,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:16:31,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:16:31,195 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:31,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:31,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1727912391, now seen corresponding path program 2 times [2021-11-03 05:16:31,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:31,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862728478] [2021-11-03 05:16:31,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:31,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-03 05:16:31,535 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:31,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862728478] [2021-11-03 05:16:31,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862728478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:16:31,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:16:31,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:16:31,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176803218] [2021-11-03 05:16:31,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:16:31,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:31,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:16:31,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:16:31,537 INFO L87 Difference]: Start difference. First operand 81 states and 121 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:36,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:36,713 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2021-11-03 05:16:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:16:36,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 05:16:36,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:36,714 INFO L225 Difference]: With dead ends: 86 [2021-11-03 05:16:36,715 INFO L226 Difference]: Without dead ends: 68 [2021-11-03 05:16:36,715 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:16:36,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-03 05:16:36,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-03 05:16:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 67 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2021-11-03 05:16:36,722 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 32 [2021-11-03 05:16:36,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:36,722 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2021-11-03 05:16:36,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-11-03 05:16:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 05:16:36,724 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:36,724 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:36,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-03 05:16:36,725 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:36,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:36,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1799998662, now seen corresponding path program 1 times [2021-11-03 05:16:36,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:36,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609600165] [2021-11-03 05:16:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:36,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-03 05:16:36,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:36,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609600165] [2021-11-03 05:16:36,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609600165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:16:36,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:16:36,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:16:36,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341729223] [2021-11-03 05:16:36,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:16:36,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:36,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:16:36,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:16:36,940 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:45,439 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2021-11-03 05:16:45,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:16:45,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 05:16:45,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:45,440 INFO L225 Difference]: With dead ends: 86 [2021-11-03 05:16:45,440 INFO L226 Difference]: Without dead ends: 55 [2021-11-03 05:16:45,441 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:16:45,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-03 05:16:45,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-03 05:16:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2021-11-03 05:16:45,447 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 32 [2021-11-03 05:16:45,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:45,462 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2021-11-03 05:16:45,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2021-11-03 05:16:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 05:16:45,463 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:45,463 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:45,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-03 05:16:45,464 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:45,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash -9494447, now seen corresponding path program 1 times [2021-11-03 05:16:45,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:45,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102207953] [2021-11-03 05:16:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:45,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:16:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-03 05:16:45,690 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:16:45,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102207953] [2021-11-03 05:16:45,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102207953] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:16:45,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447525246] [2021-11-03 05:16:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:45,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:16:45,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:16:45,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:16:45,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 05:16:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:16:46,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 05:16:46,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:16:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-03 05:16:46,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:16:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-03 05:16:46,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447525246] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:16:46,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [659209732] [2021-11-03 05:16:46,440 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-03 05:16:46,440 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:16:46,440 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:16:46,440 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:16:46,441 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:16:46,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:46,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:46,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:46,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:16:46,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:46,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 05:16:46,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:46,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:46,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:46,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 05:16:46,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:46,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:16:46,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:46,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:16:46,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 919 [2021-11-03 05:16:46,504 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_208, |v_#length_71|, v_~__CS_thread~0.offset_208], 351=[|v_#valid_337|]} [2021-11-03 05:16:46,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:16:46,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:46,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:46,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:46,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:46,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:46,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,641 INFO L244 Elim1Store]: Index analysis took 987 ms [2021-11-03 05:16:47,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 05:16:47,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:47,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:16:47,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:47,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:16:47,657 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:47,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:47,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:47,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:16:47,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:47,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:47,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:47,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:16:47,771 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:47,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:47,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:48,458 INFO L244 Elim1Store]: Index analysis took 271 ms [2021-11-03 05:16:48,693 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 05:16:48,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 05:16:48,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:16:48,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:16:48,730 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:48,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:48,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,794 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_1061|, |v_#memory_$Pointer$.base_1061|], 6=[|v_#memory_int_685|]} [2021-11-03 05:16:48,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:16:48,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:48,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:48,832 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:48,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:48,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:16:48,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:48,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:48,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:16:48,965 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:48,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:49,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:49,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 05:16:49,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:16:49,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:16:49,087 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:49,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:49,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 667 [2021-11-03 05:16:49,184 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:16:49,184 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:910, output treesize:667 [2021-11-03 05:16:49,211 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 05:16:49,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:16:49,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:16:49,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-03 05:16:49,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-03 05:16:49,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-11-03 05:16:49,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:16:49,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:16:49,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:16:49,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:16:49,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:16:49,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:16:49,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 823 [2021-11-03 05:16:49,281 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_1062|, |v_#memory_$Pointer$.base_1062|], 36=[|v_#memory_int_686|]} [2021-11-03 05:16:49,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,311 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:16:49,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:49,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:16:49,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:16:49,420 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:16:49,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:16:49,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:16:49,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 05:16:49,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:16:49,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 05:16:49,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:16:49,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:16:49,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:16:49,633 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 11 [2021-11-03 05:16:49,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:16:49,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:16:49,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:16:49,635 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:16:49,635 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:16:49,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:16:49,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2021-11-03 05:16:49,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708339643] [2021-11-03 05:16:49,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:16:49,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:16:49,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:16:49,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:16:49,638 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:55,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:16:55,874 INFO L93 Difference]: Finished difference Result 103 states and 148 transitions. [2021-11-03 05:16:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 05:16:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 05:16:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:16:55,875 INFO L225 Difference]: With dead ends: 103 [2021-11-03 05:16:55,875 INFO L226 Difference]: Without dead ends: 70 [2021-11-03 05:16:55,875 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:16:55,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-03 05:16:55,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-03 05:16:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 95 transitions. [2021-11-03 05:16:55,881 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 95 transitions. Word has length 32 [2021-11-03 05:16:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:16:55,882 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 95 transitions. [2021-11-03 05:16:55,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:16:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2021-11-03 05:16:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:16:55,883 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:16:55,883 INFO L513 BasicCegarLoop]: trace histogram [21, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:16:55,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-03 05:16:56,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-03 05:16:56,104 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:16:56,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:16:56,105 INFO L85 PathProgramCache]: Analyzing trace with hash 117684118, now seen corresponding path program 2 times [2021-11-03 05:16:56,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:16:56,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955487544] [2021-11-03 05:16:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:16:56,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:17:15,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:15,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955487544] [2021-11-03 05:17:15,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955487544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:17:15,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:17:15,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-03 05:17:15,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015862911] [2021-11-03 05:17:15,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 05:17:15,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:15,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 05:17:15,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:17:15,940 INFO L87 Difference]: Start difference. First operand 70 states and 95 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:27,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:27,982 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2021-11-03 05:17:27,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 05:17:27,982 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-03 05:17:27,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:27,983 INFO L225 Difference]: With dead ends: 111 [2021-11-03 05:17:27,983 INFO L226 Difference]: Without dead ends: 97 [2021-11-03 05:17:27,984 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:17:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-03 05:17:27,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 73. [2021-11-03 05:17:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 72 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions. [2021-11-03 05:17:28,000 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 98 transitions. Word has length 47 [2021-11-03 05:17:28,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:28,000 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 98 transitions. [2021-11-03 05:17:28,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2021-11-03 05:17:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 05:17:28,002 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:28,002 INFO L513 BasicCegarLoop]: trace histogram [21, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:28,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-03 05:17:28,003 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:28,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1765308855, now seen corresponding path program 1 times [2021-11-03 05:17:28,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:28,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335086016] [2021-11-03 05:17:28,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:28,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:17:30,120 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:30,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335086016] [2021-11-03 05:17:30,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335086016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:17:30,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:17:30,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 05:17:30,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281931905] [2021-11-03 05:17:30,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:17:30,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:30,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:17:30,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:17:30,122 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:35,810 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2021-11-03 05:17:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:17:35,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-03 05:17:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:35,811 INFO L225 Difference]: With dead ends: 82 [2021-11-03 05:17:35,811 INFO L226 Difference]: Without dead ends: 74 [2021-11-03 05:17:35,812 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:17:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-03 05:17:35,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2021-11-03 05:17:35,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 69 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 93 transitions. [2021-11-03 05:17:35,825 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 93 transitions. Word has length 49 [2021-11-03 05:17:35,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:35,826 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 93 transitions. [2021-11-03 05:17:35,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2021-11-03 05:17:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 05:17:35,828 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:35,828 INFO L513 BasicCegarLoop]: trace histogram [21, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:35,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-03 05:17:35,828 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:35,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:35,829 INFO L85 PathProgramCache]: Analyzing trace with hash -998252612, now seen corresponding path program 1 times [2021-11-03 05:17:35,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:35,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857993741] [2021-11-03 05:17:35,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:35,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:17:38,157 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:38,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857993741] [2021-11-03 05:17:38,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857993741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:17:38,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:17:38,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 05:17:38,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764150058] [2021-11-03 05:17:38,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:17:38,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:38,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:17:38,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:17:38,159 INFO L87 Difference]: Start difference. First operand 70 states and 93 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:43,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:43,770 INFO L93 Difference]: Finished difference Result 92 states and 121 transitions. [2021-11-03 05:17:43,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:17:43,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-03 05:17:43,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:43,771 INFO L225 Difference]: With dead ends: 92 [2021-11-03 05:17:43,772 INFO L226 Difference]: Without dead ends: 70 [2021-11-03 05:17:43,772 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:17:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-03 05:17:43,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2021-11-03 05:17:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 65 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2021-11-03 05:17:43,786 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 49 [2021-11-03 05:17:43,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:43,786 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2021-11-03 05:17:43,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-11-03 05:17:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 05:17:43,788 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:43,788 INFO L513 BasicCegarLoop]: trace histogram [21, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:43,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-03 05:17:43,788 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:43,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:43,789 INFO L85 PathProgramCache]: Analyzing trace with hash -810065538, now seen corresponding path program 1 times [2021-11-03 05:17:43,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:43,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881766705] [2021-11-03 05:17:43,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:43,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:18:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:18:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:18:12,009 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:18:12,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881766705] [2021-11-03 05:18:12,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881766705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:18:12,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:18:12,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-03 05:18:12,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983578991] [2021-11-03 05:18:12,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:18:12,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:18:12,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:18:12,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:18:12,011 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:18:17,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:18:17,744 INFO L93 Difference]: Finished difference Result 91 states and 117 transitions. [2021-11-03 05:18:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:18:17,745 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-03 05:18:17,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:18:17,746 INFO L225 Difference]: With dead ends: 91 [2021-11-03 05:18:17,746 INFO L226 Difference]: Without dead ends: 87 [2021-11-03 05:18:17,746 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:18:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-03 05:18:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 72. [2021-11-03 05:18:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.295774647887324) internal successors, (92), 71 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:18:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2021-11-03 05:18:17,760 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 52 [2021-11-03 05:18:17,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:18:17,760 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2021-11-03 05:18:17,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:18:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2021-11-03 05:18:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 05:18:17,762 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:18:17,762 INFO L513 BasicCegarLoop]: trace histogram [21, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:18:17,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-03 05:18:17,762 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:18:17,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:18:17,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2116888857, now seen corresponding path program 1 times [2021-11-03 05:18:17,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:18:17,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967976253] [2021-11-03 05:18:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:18:17,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:18:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:18:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:18:17,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:18:17,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967976253] [2021-11-03 05:18:17,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967976253] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:18:17,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481561101] [2021-11-03 05:18:17,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:18:17,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:18:17,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:18:17,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:18:17,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 05:18:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:18:18,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:18:18,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:18:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:18:18,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:18:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:18:18,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481561101] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:18:18,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1569156753] [2021-11-03 05:18:18,757 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2021-11-03 05:18:18,757 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:18:18,757 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:18:18,757 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:18:18,757 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:18:18,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:18,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-03 05:18:18,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:18,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-03 05:18:18,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:18,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:18:18,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:18,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:18:18,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:18,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:18:18,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:18,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 05:18:18,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:18,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:18:18,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 919 [2021-11-03 05:18:18,825 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_209, |v_#length_72|, v_~__CS_thread~0.offset_209], 351=[|v_#valid_338|]} [2021-11-03 05:18:18,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:18:18,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:18:18,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:18:18,871 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:18,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:18,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:18,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:19,858 INFO L244 Elim1Store]: Index analysis took 901 ms [2021-11-03 05:18:19,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-03 05:18:19,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:19,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:18:19,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:19,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-03 05:18:19,863 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:19,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:19,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:19,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 05:18:19,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:19,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:18:19,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:19,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:18:19,958 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:19,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:20,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:20,593 INFO L244 Elim1Store]: Index analysis took 274 ms [2021-11-03 05:18:20,835 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-03 05:18:20,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-03 05:18:20,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:20,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:18:20,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:20,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 05:18:20,857 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:20,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:20,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:20,912 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_1065|, |v_#memory_$Pointer$.base_1065|], 6=[|v_#memory_int_689|]} [2021-11-03 05:18:20,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:18:20,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:20,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:18:20,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:20,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:18:20,944 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:20,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:21,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-03 05:18:21,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:18:21,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-03 05:18:21,039 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:21,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:21,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:21,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:21,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:21,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:21,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:21,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-03 05:18:21,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:18:21,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:18:21,134 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:21,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:21,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 667 [2021-11-03 05:18:21,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:18:21,201 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:910, output treesize:667 [2021-11-03 05:18:21,224 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-03 05:18:21,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:18:21,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:18:21,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:18:21,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:18:21,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:18:21,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 05:18:21,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:18:21,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:18:21,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-03 05:18:21,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-03 05:18:21,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-11-03 05:18:21,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 823 [2021-11-03 05:18:21,288 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_1066|, |v_#memory_$Pointer$.base_1066|], 36=[|v_#memory_int_690|]} [2021-11-03 05:18:21,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,315 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:18:21,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:21,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:18:21,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:18:21,385 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-03 05:18:21,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:18:21,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:18:21,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-03 05:18:21,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:18:21,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-03 05:18:21,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:18:21,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:18:21,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:18:21,543 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 11 [2021-11-03 05:18:21,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:18:21,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:18:21,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:18:21,545 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:18:21,545 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:18:21,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:18:21,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-03 05:18:21,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094965077] [2021-11-03 05:18:21,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:18:21,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:18:21,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:18:21,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:18:21,549 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:18:21,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:18:21,734 INFO L93 Difference]: Finished difference Result 167 states and 221 transitions. [2021-11-03 05:18:21,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:18:21,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-03 05:18:21,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:18:21,736 INFO L225 Difference]: With dead ends: 167 [2021-11-03 05:18:21,736 INFO L226 Difference]: Without dead ends: 144 [2021-11-03 05:18:21,736 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:18:21,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-03 05:18:21,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 84. [2021-11-03 05:18:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.3012048192771084) internal successors, (108), 83 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:18:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2021-11-03 05:18:21,756 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 55 [2021-11-03 05:18:21,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:18:21,756 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2021-11-03 05:18:21,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:18:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2021-11-03 05:18:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-03 05:18:21,758 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:18:21,758 INFO L513 BasicCegarLoop]: trace histogram [21, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:18:21,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:18:21,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-03 05:18:21,980 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:18:21,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:18:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash -52710921, now seen corresponding path program 1 times [2021-11-03 05:18:21,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:18:21,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162870861] [2021-11-03 05:18:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:18:21,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:18:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:18:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-11-03 05:18:46,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:18:46,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162870861] [2021-11-03 05:18:46,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162870861] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:18:46,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16804838] [2021-11-03 05:18:46,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:18:46,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:18:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:18:46,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:18:46,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec3555c-56dd-4684-bc07-d79970e771ef/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 05:18:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:18:56,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-03 05:18:56,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:18:58,002 INFO L354 Elim1Store]: treesize reduction 2416, result has 4.2 percent of original size [2021-11-03 05:18:58,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 40 case distinctions, treesize of input 16365 treesize of output 16132 [2021-11-03 05:19:39,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7