./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8ce463a68003145f68f57eef3f97a99b93a908a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:31:16,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:31:16,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:31:16,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:31:16,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:31:16,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:31:16,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:31:16,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:31:16,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:31:16,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:31:16,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:31:16,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:31:16,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:31:16,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:31:16,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:31:16,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:31:16,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:31:16,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:31:16,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:31:16,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:31:16,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:31:16,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:31:16,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:31:16,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:31:16,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:31:16,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:31:16,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:31:16,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:31:16,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:31:16,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:31:16,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:31:16,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:31:16,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:31:16,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:31:16,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:31:16,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:31:16,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:31:16,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:31:16,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:31:16,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:31:16,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:31:16,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:31:16,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:31:16,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:31:16,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:31:16,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:31:16,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:31:16,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:31:16,549 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:31:16,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:31:16,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:31:16,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:31:16,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:31:16,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:31:16,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:31:16,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:31:16,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:31:16,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:31:16,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:31:16,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:31:16,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:31:16,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:31:16,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:31:16,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:31:16,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:31:16,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:31:16,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:31:16,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:31:16,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:31:16,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:31:16,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:31:16,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:31:16,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8ce463a68003145f68f57eef3f97a99b93a908a [2021-08-29 16:31:16,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:31:16,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:31:16,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:31:16,848 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:31:16,849 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:31:16,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-08-29 16:31:16,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d010c95b/3db119e25af34b19ae8c60527fac3455/FLAG207dfd49a [2021-08-29 16:31:17,232 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:31:17,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-08-29 16:31:17,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d010c95b/3db119e25af34b19ae8c60527fac3455/FLAG207dfd49a [2021-08-29 16:31:17,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d010c95b/3db119e25af34b19ae8c60527fac3455 [2021-08-29 16:31:17,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:31:17,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:31:17,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:31:17,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:31:17,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:31:17,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bac236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17, skipping insertion in model container [2021-08-29 16:31:17,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:31:17,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:31:17,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-08-29 16:31:17,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:31:17,397 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:31:17,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-08-29 16:31:17,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:31:17,437 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:31:17,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17 WrapperNode [2021-08-29 16:31:17,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:31:17,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:31:17,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:31:17,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:31:17,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:31:17,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:31:17,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:31:17,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:31:17,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:31:17,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:31:17,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:31:17,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:31:17,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (1/1) ... [2021-08-29 16:31:17,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:31:17,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:17,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:31:17,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:31:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:31:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-08-29 16:31:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-08-29 16:31:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:31:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-08-29 16:31:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-08-29 16:31:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:31:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:31:17,684 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:31:17,684 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-29 16:31:17,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:31:17 BoogieIcfgContainer [2021-08-29 16:31:17,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:31:17,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:31:17,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:31:17,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:31:17,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:31:17" (1/3) ... [2021-08-29 16:31:17,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f60f990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:31:17, skipping insertion in model container [2021-08-29 16:31:17,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:31:17" (2/3) ... [2021-08-29 16:31:17,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f60f990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:31:17, skipping insertion in model container [2021-08-29 16:31:17,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:31:17" (3/3) ... [2021-08-29 16:31:17,692 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-1.c [2021-08-29 16:31:17,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:31:17,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 16:31:17,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:31:17,738 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, mConcurrency=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 [2021-08-29 16:31:17,739 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 16:31:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-29 16:31:17,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-29 16:31:17,753 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:17,754 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:17,754 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:17,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:17,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1123300790, now seen corresponding path program 1 times [2021-08-29 16:31:17,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:17,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453414461] [2021-08-29 16:31:17,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:17,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:31:17,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:17,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453414461] [2021-08-29 16:31:17,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453414461] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:31:17,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:31:17,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:31:17,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800911050] [2021-08-29 16:31:17,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:31:17,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:17,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:31:17,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:31:17,957 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-29 16:31:18,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:18,098 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-08-29 16:31:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:31:18,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-08-29 16:31:18,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:18,105 INFO L225 Difference]: With dead ends: 39 [2021-08-29 16:31:18,105 INFO L226 Difference]: Without dead ends: 27 [2021-08-29 16:31:18,107 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.29ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:31:18,110 INFO L928 BasicCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.13ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:18,111 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 18 Invalid, 102 Unknown, 0 Unchecked, 1.89ms Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 109.13ms Time] [2021-08-29 16:31:18,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-08-29 16:31:18,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-08-29 16:31:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-08-29 16:31:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-08-29 16:31:18,137 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 10 [2021-08-29 16:31:18,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:18,137 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-08-29 16:31:18,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-29 16:31:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-08-29 16:31:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 16:31:18,138 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:18,138 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:18,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:31:18,139 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:18,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:18,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1177745932, now seen corresponding path program 1 times [2021-08-29 16:31:18,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:18,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494737813] [2021-08-29 16:31:18,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:18,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:31:18,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:18,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494737813] [2021-08-29 16:31:18,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494737813] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:31:18,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:31:18,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:31:18,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933485404] [2021-08-29 16:31:18,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:31:18,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:18,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:31:18,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:31:18,222 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-29 16:31:18,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:18,277 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2021-08-29 16:31:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:31:18,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-08-29 16:31:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:18,279 INFO L225 Difference]: With dead ends: 33 [2021-08-29 16:31:18,279 INFO L226 Difference]: Without dead ends: 29 [2021-08-29 16:31:18,279 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.72ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:31:18,280 INFO L928 BasicCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.18ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:18,281 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 90 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 45.18ms Time] [2021-08-29 16:31:18,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-08-29 16:31:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2021-08-29 16:31:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-08-29 16:31:18,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-08-29 16:31:18,286 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11 [2021-08-29 16:31:18,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:18,286 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-08-29 16:31:18,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-29 16:31:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-08-29 16:31:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 16:31:18,288 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:18,288 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:18,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:31:18,288 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:18,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:18,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2110588723, now seen corresponding path program 1 times [2021-08-29 16:31:18,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:18,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361484538] [2021-08-29 16:31:18,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:18,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-08-29 16:31:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 16:31:18,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:18,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361484538] [2021-08-29 16:31:18,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361484538] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:18,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639579069] [2021-08-29 16:31:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:18,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:18,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:18,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:18,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:31:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:18,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 16:31:18,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 16:31:18,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 16:31:18,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639579069] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:18,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:18,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2021-08-29 16:31:18,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331832842] [2021-08-29 16:31:18,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-29 16:31:18,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:18,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-29 16:31:18,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-08-29 16:31:18,793 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2021-08-29 16:31:18,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:18,945 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-08-29 16:31:18,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-29 16:31:18,946 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2021-08-29 16:31:18,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:18,947 INFO L225 Difference]: With dead ends: 55 [2021-08-29 16:31:18,947 INFO L226 Difference]: Without dead ends: 31 [2021-08-29 16:31:18,947 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 109.21ms TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-08-29 16:31:18,948 INFO L928 BasicCegarLoop]: 5 mSDtfsCounter, 31 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.49ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.78ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:18,948 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 34 Invalid, 257 Unknown, 0 Unchecked, 2.49ms Time], IncrementalHoareTripleChecker [12 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 104.78ms Time] [2021-08-29 16:31:18,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-08-29 16:31:18,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-08-29 16:31:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2021-08-29 16:31:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-08-29 16:31:18,954 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 23 [2021-08-29 16:31:18,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:18,954 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-08-29 16:31:18,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2021-08-29 16:31:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-08-29 16:31:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:31:18,955 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:18,956 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:18,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:19,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:19,169 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:19,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1277869167, now seen corresponding path program 1 times [2021-08-29 16:31:19,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:19,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818944289] [2021-08-29 16:31:19,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:19,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 16:31:19,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:19,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818944289] [2021-08-29 16:31:19,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818944289] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:19,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778355456] [2021-08-29 16:31:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:19,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:19,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:19,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:19,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 16:31:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 16:31:19,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 16:31:19,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 16:31:19,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778355456] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:19,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:19,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2021-08-29 16:31:19,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977689407] [2021-08-29 16:31:19,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-29 16:31:19,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:19,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-29 16:31:19,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-08-29 16:31:19,522 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2021-08-29 16:31:19,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:19,680 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2021-08-29 16:31:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:31:19,682 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2021-08-29 16:31:19,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:19,687 INFO L225 Difference]: With dead ends: 51 [2021-08-29 16:31:19,687 INFO L226 Difference]: Without dead ends: 47 [2021-08-29 16:31:19,689 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 65.04ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-08-29 16:31:19,689 INFO L928 BasicCegarLoop]: 7 mSDtfsCounter, 47 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.65ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:19,693 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 34 Invalid, 270 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [28 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 139.65ms Time] [2021-08-29 16:31:19,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-29 16:31:19,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-08-29 16:31:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2021-08-29 16:31:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2021-08-29 16:31:19,710 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 24 [2021-08-29 16:31:19,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:19,711 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-08-29 16:31:19,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2021-08-29 16:31:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-08-29 16:31:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 16:31:19,714 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:19,714 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:19,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:19,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-29 16:31:19,931 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:19,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:19,931 INFO L82 PathProgramCache]: Analyzing trace with hash -2061621832, now seen corresponding path program 1 times [2021-08-29 16:31:19,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:19,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698992762] [2021-08-29 16:31:19,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:19,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-08-29 16:31:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-08-29 16:31:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 16:31:19,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:19,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698992762] [2021-08-29 16:31:19,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698992762] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:19,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192298922] [2021-08-29 16:31:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:19,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:20,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:20,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-29 16:31:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 16:31:20,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-29 16:31:20,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-29 16:31:20,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192298922] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:20,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:20,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2021-08-29 16:31:20,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015671720] [2021-08-29 16:31:20,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-29 16:31:20,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:20,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-29 16:31:20,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-08-29 16:31:20,390 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2021-08-29 16:31:20,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:20,647 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2021-08-29 16:31:20,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-29 16:31:20,648 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) Word has length 36 [2021-08-29 16:31:20,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:20,649 INFO L225 Difference]: With dead ends: 105 [2021-08-29 16:31:20,649 INFO L226 Difference]: Without dead ends: 63 [2021-08-29 16:31:20,650 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 130.80ms TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-08-29 16:31:20,650 INFO L928 BasicCegarLoop]: 6 mSDtfsCounter, 66 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 129.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.59ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 174.12ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:20,650 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 42 Invalid, 383 Unknown, 0 Unchecked, 2.59ms Time], IncrementalHoareTripleChecker [53 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 174.12ms Time] [2021-08-29 16:31:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-08-29 16:31:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-08-29 16:31:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2021-08-29 16:31:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-08-29 16:31:20,656 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 36 [2021-08-29 16:31:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:20,656 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-08-29 16:31:20,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2021-08-29 16:31:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-08-29 16:31:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-29 16:31:20,658 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:20,658 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:20,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:20,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:20,887 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:20,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:20,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1167294498, now seen corresponding path program 1 times [2021-08-29 16:31:20,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:20,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85056937] [2021-08-29 16:31:20,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:20,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:31:20,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:20,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85056937] [2021-08-29 16:31:20,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85056937] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:20,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030089604] [2021-08-29 16:31:20,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:20,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:20,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:20,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:20,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-29 16:31:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:20,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 16:31:20,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 16:31:21,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-29 16:31:21,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030089604] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:21,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:21,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 18 [2021-08-29 16:31:21,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656211222] [2021-08-29 16:31:21,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-29 16:31:21,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:21,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-29 16:31:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-08-29 16:31:21,344 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2021-08-29 16:31:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:21,692 INFO L93 Difference]: Finished difference Result 177 states and 321 transitions. [2021-08-29 16:31:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-29 16:31:21,692 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) Word has length 37 [2021-08-29 16:31:21,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:21,695 INFO L225 Difference]: With dead ends: 177 [2021-08-29 16:31:21,695 INFO L226 Difference]: Without dead ends: 117 [2021-08-29 16:31:21,696 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 128.46ms TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2021-08-29 16:31:21,697 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 62 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 201.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.07ms SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 267.14ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:21,697 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 52 Invalid, 618 Unknown, 0 Unchecked, 4.07ms Time], IncrementalHoareTripleChecker [75 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 267.14ms Time] [2021-08-29 16:31:21,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-08-29 16:31:21,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2021-08-29 16:31:21,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2021-08-29 16:31:21,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2021-08-29 16:31:21,710 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 37 [2021-08-29 16:31:21,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:21,711 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2021-08-29 16:31:21,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2021-08-29 16:31:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2021-08-29 16:31:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-29 16:31:21,713 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:21,713 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:21,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:21,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:21,922 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:21,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:21,922 INFO L82 PathProgramCache]: Analyzing trace with hash 384535367, now seen corresponding path program 1 times [2021-08-29 16:31:21,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:21,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736002272] [2021-08-29 16:31:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:21,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-08-29 16:31:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-29 16:31:22,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:22,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736002272] [2021-08-29 16:31:22,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736002272] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:22,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986015054] [2021-08-29 16:31:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:22,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:22,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:22,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:22,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-29 16:31:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:22,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-29 16:31:22,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-29 16:31:22,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-29 16:31:22,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986015054] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:22,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:22,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2021-08-29 16:31:22,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473542053] [2021-08-29 16:31:22,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-29 16:31:22,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:22,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-29 16:31:22,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-08-29 16:31:22,651 INFO L87 Difference]: Start difference. First operand 103 states and 166 transitions. Second operand has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2021-08-29 16:31:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:22,987 INFO L93 Difference]: Finished difference Result 255 states and 495 transitions. [2021-08-29 16:31:22,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-29 16:31:22,988 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) Word has length 51 [2021-08-29 16:31:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:22,989 INFO L225 Difference]: With dead ends: 255 [2021-08-29 16:31:22,989 INFO L226 Difference]: Without dead ends: 155 [2021-08-29 16:31:22,990 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 161.74ms TimeCoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2021-08-29 16:31:22,991 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 87 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 186.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.38ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 239.72ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:22,991 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 55 Invalid, 649 Unknown, 0 Unchecked, 4.38ms Time], IncrementalHoareTripleChecker [127 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 239.72ms Time] [2021-08-29 16:31:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-08-29 16:31:23,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 109. [2021-08-29 16:31:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2021-08-29 16:31:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 177 transitions. [2021-08-29 16:31:23,024 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 177 transitions. Word has length 51 [2021-08-29 16:31:23,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:23,025 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 177 transitions. [2021-08-29 16:31:23,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2021-08-29 16:31:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2021-08-29 16:31:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-29 16:31:23,035 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:23,035 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:23,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:23,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:23,241 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:23,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:23,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1851863125, now seen corresponding path program 1 times [2021-08-29 16:31:23,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:23,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778692474] [2021-08-29 16:31:23,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:23,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-08-29 16:31:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 39 proven. 38 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-08-29 16:31:23,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:23,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778692474] [2021-08-29 16:31:23,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778692474] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:23,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332218054] [2021-08-29 16:31:23,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:23,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:23,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:23,395 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:23,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-29 16:31:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:23,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-29 16:31:23,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 68 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-08-29 16:31:23,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-29 16:31:24,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332218054] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:24,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:24,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 23 [2021-08-29 16:31:24,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112599514] [2021-08-29 16:31:24,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-29 16:31:24,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:24,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-29 16:31:24,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-08-29 16:31:24,262 INFO L87 Difference]: Start difference. First operand 109 states and 177 transitions. Second operand has 23 states, 22 states have (on average 3.3181818181818183) internal successors, (73), 23 states have internal predecessors, (73), 17 states have call successors, (21), 1 states have call predecessors, (21), 9 states have return successors, (24), 11 states have call predecessors, (24), 17 states have call successors, (24) [2021-08-29 16:31:24,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:24,655 INFO L93 Difference]: Finished difference Result 240 states and 462 transitions. [2021-08-29 16:31:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-29 16:31:24,656 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.3181818181818183) internal successors, (73), 23 states have internal predecessors, (73), 17 states have call successors, (21), 1 states have call predecessors, (21), 9 states have return successors, (24), 11 states have call predecessors, (24), 17 states have call successors, (24) Word has length 79 [2021-08-29 16:31:24,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:24,657 INFO L225 Difference]: With dead ends: 240 [2021-08-29 16:31:24,657 INFO L226 Difference]: Without dead ends: 107 [2021-08-29 16:31:24,658 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 170 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 229.00ms TimeCoverageRelationStatistics Valid=218, Invalid=972, Unknown=0, NotChecked=0, Total=1190 [2021-08-29 16:31:24,659 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 107 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 216.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.11ms SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 276.00ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:24,659 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 56 Invalid, 728 Unknown, 0 Unchecked, 3.11ms Time], IncrementalHoareTripleChecker [131 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 276.00ms Time] [2021-08-29 16:31:24,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-08-29 16:31:24,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 84. [2021-08-29 16:31:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 58 states have internal predecessors, (67), 14 states have call successors, (14), 8 states have call predecessors, (14), 12 states have return successors, (35), 17 states have call predecessors, (35), 14 states have call successors, (35) [2021-08-29 16:31:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2021-08-29 16:31:24,668 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 79 [2021-08-29 16:31:24,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:24,669 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2021-08-29 16:31:24,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.3181818181818183) internal successors, (73), 23 states have internal predecessors, (73), 17 states have call successors, (21), 1 states have call predecessors, (21), 9 states have return successors, (24), 11 states have call predecessors, (24), 17 states have call successors, (24) [2021-08-29 16:31:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2021-08-29 16:31:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-08-29 16:31:24,670 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:24,671 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:24,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:24,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:24,889 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:24,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:24,889 INFO L82 PathProgramCache]: Analyzing trace with hash -31484793, now seen corresponding path program 1 times [2021-08-29 16:31:24,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:24,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598753876] [2021-08-29 16:31:24,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:24,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-08-29 16:31:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-08-29 16:31:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 66 proven. 113 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-08-29 16:31:25,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:25,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598753876] [2021-08-29 16:31:25,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598753876] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:25,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672689045] [2021-08-29 16:31:25,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:25,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:25,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:25,110 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:25,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-29 16:31:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:25,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-29 16:31:25,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 53 proven. 104 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-08-29 16:31:25,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 53 proven. 109 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-08-29 16:31:25,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672689045] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:25,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:25,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 11] total 21 [2021-08-29 16:31:25,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774676395] [2021-08-29 16:31:25,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-29 16:31:25,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:25,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-29 16:31:25,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2021-08-29 16:31:25,882 INFO L87 Difference]: Start difference. First operand 84 states and 116 transitions. Second operand has 21 states, 20 states have (on average 3.55) internal successors, (71), 21 states have internal predecessors, (71), 14 states have call successors, (21), 1 states have call predecessors, (21), 8 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) [2021-08-29 16:31:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:26,200 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2021-08-29 16:31:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-29 16:31:26,201 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.55) internal successors, (71), 21 states have internal predecessors, (71), 14 states have call successors, (21), 1 states have call predecessors, (21), 8 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) Word has length 134 [2021-08-29 16:31:26,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:26,202 INFO L225 Difference]: With dead ends: 169 [2021-08-29 16:31:26,202 INFO L226 Difference]: Without dead ends: 93 [2021-08-29 16:31:26,203 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 158.35ms TimeCoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2021-08-29 16:31:26,203 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 79 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.22ms SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 237.37ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:26,203 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 75 Invalid, 719 Unknown, 0 Unchecked, 3.22ms Time], IncrementalHoareTripleChecker [71 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 237.37ms Time] [2021-08-29 16:31:26,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-08-29 16:31:26,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2021-08-29 16:31:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 14 states have call successors, (14), 8 states have call predecessors, (14), 13 states have return successors, (35), 18 states have call predecessors, (35), 14 states have call successors, (35) [2021-08-29 16:31:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 118 transitions. [2021-08-29 16:31:26,212 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 118 transitions. Word has length 134 [2021-08-29 16:31:26,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:26,212 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 118 transitions. [2021-08-29 16:31:26,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.55) internal successors, (71), 21 states have internal predecessors, (71), 14 states have call successors, (21), 1 states have call predecessors, (21), 8 states have return successors, (26), 12 states have call predecessors, (26), 14 states have call successors, (26) [2021-08-29 16:31:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2021-08-29 16:31:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-08-29 16:31:26,214 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:26,214 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:26,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:26,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:26,433 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:26,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:26,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2036151949, now seen corresponding path program 2 times [2021-08-29 16:31:26,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:26,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813645432] [2021-08-29 16:31:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:26,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-08-29 16:31:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-08-29 16:31:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-08-29 16:31:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 212 proven. 113 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-08-29 16:31:26,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:26,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813645432] [2021-08-29 16:31:26,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813645432] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:26,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98441972] [2021-08-29 16:31:26,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-29 16:31:26,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:26,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:26,717 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:26,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-29 16:31:26,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-29 16:31:26,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-29 16:31:26,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-29 16:31:26,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 146 proven. 53 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2021-08-29 16:31:27,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 148 proven. 56 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2021-08-29 16:31:27,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98441972] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:27,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:27,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9, 11] total 27 [2021-08-29 16:31:27,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504446937] [2021-08-29 16:31:27,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-29 16:31:27,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:27,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-29 16:31:27,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2021-08-29 16:31:27,644 INFO L87 Difference]: Start difference. First operand 87 states and 118 transitions. Second operand has 27 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 27 states have internal predecessors, (81), 17 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (30), 18 states have call predecessors, (30), 17 states have call successors, (30) [2021-08-29 16:31:28,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:28,058 INFO L93 Difference]: Finished difference Result 186 states and 278 transitions. [2021-08-29 16:31:28,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-29 16:31:28,059 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 27 states have internal predecessors, (81), 17 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (30), 18 states have call predecessors, (30), 17 states have call successors, (30) Word has length 161 [2021-08-29 16:31:28,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:28,061 INFO L225 Difference]: With dead ends: 186 [2021-08-29 16:31:28,061 INFO L226 Difference]: Without dead ends: 109 [2021-08-29 16:31:28,062 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 265.65ms TimeCoverageRelationStatistics Valid=230, Invalid=1176, Unknown=0, NotChecked=0, Total=1406 [2021-08-29 16:31:28,063 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 102 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 213.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.38ms SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 281.29ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:28,064 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 69 Invalid, 844 Unknown, 0 Unchecked, 3.38ms Time], IncrementalHoareTripleChecker [105 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 281.29ms Time] [2021-08-29 16:31:28,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-08-29 16:31:28,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 90. [2021-08-29 16:31:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 14 states have call successors, (14), 9 states have call predecessors, (14), 13 states have return successors, (29), 18 states have call predecessors, (29), 14 states have call successors, (29) [2021-08-29 16:31:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2021-08-29 16:31:28,082 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 115 transitions. Word has length 161 [2021-08-29 16:31:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:28,083 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-08-29 16:31:28,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 27 states have internal predecessors, (81), 17 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (30), 18 states have call predecessors, (30), 17 states have call successors, (30) [2021-08-29 16:31:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2021-08-29 16:31:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-08-29 16:31:28,085 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:28,085 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 15, 14, 14, 12, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:28,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:28,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-29 16:31:28,302 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:28,302 INFO L82 PathProgramCache]: Analyzing trace with hash -712391191, now seen corresponding path program 3 times [2021-08-29 16:31:28,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:28,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323084259] [2021-08-29 16:31:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:28,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-08-29 16:31:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-08-29 16:31:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-08-29 16:31:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 194 proven. 345 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-08-29 16:31:28,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:28,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323084259] [2021-08-29 16:31:28,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323084259] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:28,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049092533] [2021-08-29 16:31:28,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-29 16:31:28,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:28,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:28,633 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:28,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-29 16:31:28,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-08-29 16:31:28,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-29 16:31:28,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 16:31:28,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 550 proven. 4 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2021-08-29 16:31:28,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 226 proven. 42 refuted. 0 times theorem prover too weak. 1007 trivial. 0 not checked. [2021-08-29 16:31:29,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049092533] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:29,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:29,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7, 7] total 28 [2021-08-29 16:31:29,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369717919] [2021-08-29 16:31:29,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-29 16:31:29,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:29,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-29 16:31:29,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-08-29 16:31:29,662 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand has 28 states, 27 states have (on average 3.074074074074074) internal successors, (83), 28 states have internal predecessors, (83), 13 states have call successors, (23), 2 states have call predecessors, (23), 12 states have return successors, (31), 18 states have call predecessors, (31), 13 states have call successors, (31) [2021-08-29 16:31:30,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:30,189 INFO L93 Difference]: Finished difference Result 226 states and 338 transitions. [2021-08-29 16:31:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-29 16:31:30,190 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.074074074074074) internal successors, (83), 28 states have internal predecessors, (83), 13 states have call successors, (23), 2 states have call predecessors, (23), 12 states have return successors, (31), 18 states have call predecessors, (31), 13 states have call successors, (31) Word has length 217 [2021-08-29 16:31:30,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:30,191 INFO L225 Difference]: With dead ends: 226 [2021-08-29 16:31:30,191 INFO L226 Difference]: Without dead ends: 138 [2021-08-29 16:31:30,192 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 486 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 315.88ms TimeCoverageRelationStatistics Valid=332, Invalid=1924, Unknown=0, NotChecked=0, Total=2256 [2021-08-29 16:31:30,192 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 171 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 275.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.88ms SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 346.27ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:30,192 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 73 Invalid, 1000 Unknown, 0 Unchecked, 3.88ms Time], IncrementalHoareTripleChecker [202 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 346.27ms Time] [2021-08-29 16:31:30,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-08-29 16:31:30,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 120. [2021-08-29 16:31:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 85 states have (on average 1.1411764705882352) internal successors, (97), 81 states have internal predecessors, (97), 20 states have call successors, (20), 16 states have call predecessors, (20), 14 states have return successors, (39), 22 states have call predecessors, (39), 20 states have call successors, (39) [2021-08-29 16:31:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 156 transitions. [2021-08-29 16:31:30,198 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 156 transitions. Word has length 217 [2021-08-29 16:31:30,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:30,198 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 156 transitions. [2021-08-29 16:31:30,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.074074074074074) internal successors, (83), 28 states have internal predecessors, (83), 13 states have call successors, (23), 2 states have call predecessors, (23), 12 states have return successors, (31), 18 states have call predecessors, (31), 13 states have call successors, (31) [2021-08-29 16:31:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 156 transitions. [2021-08-29 16:31:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-08-29 16:31:30,202 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:30,202 INFO L513 BasicCegarLoop]: trace histogram [34, 34, 29, 29, 26, 25, 17, 17, 17, 17, 17, 17, 17, 14, 14, 14, 14, 14, 14, 14, 12, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:30,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:30,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:30,417 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:30,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1461102743, now seen corresponding path program 4 times [2021-08-29 16:31:30,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:30,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313270748] [2021-08-29 16:31:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:30,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-08-29 16:31:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-08-29 16:31:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-08-29 16:31:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-08-29 16:31:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-08-29 16:31:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-08-29 16:31:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-08-29 16:31:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 181 proven. 647 refuted. 0 times theorem prover too weak. 4573 trivial. 0 not checked. [2021-08-29 16:31:30,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:30,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313270748] [2021-08-29 16:31:30,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313270748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:30,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019152042] [2021-08-29 16:31:30,954 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-29 16:31:30,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:30,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:30,969 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:30,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-29 16:31:31,080 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-29 16:31:31,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-29 16:31:31,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-29 16:31:31,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 166 proven. 905 refuted. 0 times theorem prover too weak. 4330 trivial. 0 not checked. [2021-08-29 16:31:31,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 166 proven. 926 refuted. 0 times theorem prover too weak. 4309 trivial. 0 not checked. [2021-08-29 16:31:33,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019152042] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:33,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:33,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 17] total 27 [2021-08-29 16:31:33,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066894496] [2021-08-29 16:31:33,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-29 16:31:33,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:33,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-29 16:31:33,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2021-08-29 16:31:33,597 INFO L87 Difference]: Start difference. First operand 120 states and 156 transitions. Second operand has 27 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 27 states have internal predecessors, (83), 22 states have call successors, (27), 1 states have call predecessors, (27), 9 states have return successors, (33), 14 states have call predecessors, (33), 22 states have call successors, (33) [2021-08-29 16:31:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:33,971 INFO L93 Difference]: Finished difference Result 206 states and 283 transitions. [2021-08-29 16:31:33,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-29 16:31:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 27 states have internal predecessors, (83), 22 states have call successors, (27), 1 states have call predecessors, (27), 9 states have return successors, (33), 14 states have call predecessors, (33), 22 states have call successors, (33) Word has length 433 [2021-08-29 16:31:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:33,973 INFO L225 Difference]: With dead ends: 206 [2021-08-29 16:31:33,973 INFO L226 Difference]: Without dead ends: 106 [2021-08-29 16:31:33,974 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1006 GetRequests, 976 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 171.85ms TimeCoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2021-08-29 16:31:33,974 INFO L928 BasicCegarLoop]: 13 mSDtfsCounter, 60 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 272.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.72ms SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 328.83ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:33,974 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 104 Invalid, 936 Unknown, 0 Unchecked, 3.72ms Time], IncrementalHoareTripleChecker [49 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 328.83ms Time] [2021-08-29 16:31:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-08-29 16:31:33,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-08-29 16:31:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 76 states have (on average 1.144736842105263) internal successors, (87), 73 states have internal predecessors, (87), 17 states have call successors, (17), 15 states have call predecessors, (17), 12 states have return successors, (21), 17 states have call predecessors, (21), 17 states have call successors, (21) [2021-08-29 16:31:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2021-08-29 16:31:33,980 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 433 [2021-08-29 16:31:33,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:33,980 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2021-08-29 16:31:33,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 27 states have internal predecessors, (83), 22 states have call successors, (27), 1 states have call predecessors, (27), 9 states have return successors, (33), 14 states have call predecessors, (33), 22 states have call successors, (33) [2021-08-29 16:31:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2021-08-29 16:31:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-08-29 16:31:33,983 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:33,983 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:34,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:34,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-29 16:31:34,201 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:34,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:34,201 INFO L82 PathProgramCache]: Analyzing trace with hash 521886258, now seen corresponding path program 5 times [2021-08-29 16:31:34,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:34,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264223985] [2021-08-29 16:31:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:34,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-08-29 16:31:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-08-29 16:31:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-08-29 16:31:34,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:34,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264223985] [2021-08-29 16:31:34,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264223985] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:34,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761337685] [2021-08-29 16:31:34,831 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-29 16:31:34,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:34,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:34,832 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:34,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-29 16:31:34,939 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-29 16:31:34,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-29 16:31:34,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 103 conjunts are in the unsatisfiable core [2021-08-29 16:31:34,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-08-29 16:31:35,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-08-29 16:31:37,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761337685] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:37,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:37,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2021-08-29 16:31:37,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409179857] [2021-08-29 16:31:37,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-29 16:31:37,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:37,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-29 16:31:37,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2021-08-29 16:31:37,122 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand has 36 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 19 states have internal predecessors, (47), 7 states have call successors, (9), 1 states have call predecessors, (9), 10 states have return successors, (23), 23 states have call predecessors, (23), 7 states have call successors, (23) [2021-08-29 16:31:37,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:37,559 INFO L93 Difference]: Finished difference Result 123 states and 143 transitions. [2021-08-29 16:31:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-29 16:31:37,559 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 19 states have internal predecessors, (47), 7 states have call successors, (9), 1 states have call predecessors, (9), 10 states have return successors, (23), 23 states have call predecessors, (23), 7 states have call successors, (23) Word has length 174 [2021-08-29 16:31:37,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:37,561 INFO L225 Difference]: With dead ends: 123 [2021-08-29 16:31:37,561 INFO L226 Difference]: Without dead ends: 106 [2021-08-29 16:31:37,561 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 399 SyntacticMatches, 16 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 641.11ms TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2021-08-29 16:31:37,562 INFO L928 BasicCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 324.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 415.14ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:37,562 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 652 Invalid, 1212 Unknown, 0 Unchecked, 6.22ms Time], IncrementalHoareTripleChecker [0 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 415.14ms Time] [2021-08-29 16:31:37,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-08-29 16:31:37,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-08-29 16:31:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 76 states have (on average 1.144736842105263) internal successors, (87), 73 states have internal predecessors, (87), 17 states have call successors, (17), 15 states have call predecessors, (17), 12 states have return successors, (19), 17 states have call predecessors, (19), 17 states have call successors, (19) [2021-08-29 16:31:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2021-08-29 16:31:37,568 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 174 [2021-08-29 16:31:37,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:37,568 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2021-08-29 16:31:37,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 19 states have internal predecessors, (47), 7 states have call successors, (9), 1 states have call predecessors, (9), 10 states have return successors, (23), 23 states have call predecessors, (23), 7 states have call successors, (23) [2021-08-29 16:31:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2021-08-29 16:31:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-08-29 16:31:37,570 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:31:37,570 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 11, 11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:31:37,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:37,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-29 16:31:37,785 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:31:37,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:31:37,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1309374191, now seen corresponding path program 6 times [2021-08-29 16:31:37,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:31:37,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378104898] [2021-08-29 16:31:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:31:37,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:31:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-29 16:31:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-08-29 16:31:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-08-29 16:31:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-08-29 16:31:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-08-29 16:31:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-08-29 16:31:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-29 16:31:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:31:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 103 proven. 277 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-08-29 16:31:38,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:31:38,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378104898] [2021-08-29 16:31:38,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378104898] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:31:38,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721668783] [2021-08-29 16:31:38,015 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-29 16:31:38,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:31:38,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:31:38,016 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:31:38,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-29 16:31:38,133 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-29 16:31:38,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-29 16:31:38,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-29 16:31:38,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:31:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 524 proven. 55 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-08-29 16:31:38,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:31:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 103 proven. 271 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2021-08-29 16:31:39,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721668783] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:31:39,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:31:39,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 26 [2021-08-29 16:31:39,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484180422] [2021-08-29 16:31:39,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-29 16:31:39,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:31:39,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-29 16:31:39,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2021-08-29 16:31:39,282 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand has 26 states, 25 states have (on average 3.72) internal successors, (93), 26 states have internal predecessors, (93), 18 states have call successors, (30), 2 states have call predecessors, (30), 8 states have return successors, (34), 13 states have call predecessors, (34), 18 states have call successors, (34) [2021-08-29 16:31:39,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:31:39,476 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2021-08-29 16:31:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-29 16:31:39,477 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.72) internal successors, (93), 26 states have internal predecessors, (93), 18 states have call successors, (30), 2 states have call predecessors, (30), 8 states have return successors, (34), 13 states have call predecessors, (34), 18 states have call successors, (34) Word has length 188 [2021-08-29 16:31:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:31:39,477 INFO L225 Difference]: With dead ends: 122 [2021-08-29 16:31:39,477 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:31:39,478 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 419 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 184.21ms TimeCoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992 [2021-08-29 16:31:39,478 INFO L928 BasicCegarLoop]: 7 mSDtfsCounter, 48 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.64ms IncrementalHoareTripleChecker+Time [2021-08-29 16:31:39,478 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 62 Invalid, 448 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [45 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 142.64ms Time] [2021-08-29 16:31:39,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:31:39,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:31:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-08-29 16:31:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:31:39,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2021-08-29 16:31:39,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:31:39,479 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:31:39,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.72) internal successors, (93), 26 states have internal predecessors, (93), 18 states have call successors, (30), 2 states have call predecessors, (30), 8 states have return successors, (34), 13 states have call predecessors, (34), 18 states have call successors, (34) [2021-08-29 16:31:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:31:39,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:31:39,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 16:31:39,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-29 16:31:39,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-29 16:31:39,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:31:39,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:39,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:31:40,720 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:31:40,720 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:31:40,720 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:31:40,720 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:31:40,720 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2021-08-29 16:31:40,720 INFO L854 garLoopResultBuilder]: At program point L43(lines 37 44) the Hoare annotation is: (<= 6 ULTIMATE.start_main_~x~0) [2021-08-29 16:31:40,720 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-29 16:31:40,720 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 42) no Hoare annotation was computed. [2021-08-29 16:31:40,721 INFO L854 garLoopResultBuilder]: At program point L39(line 39) the Hoare annotation is: (and (<= 6 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 6)) [2021-08-29 16:31:40,721 INFO L858 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2021-08-29 16:31:40,721 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2021-08-29 16:31:40,721 INFO L861 garLoopResultBuilder]: At program point fibo2ENTRY(lines 19 27) the Hoare annotation is: true [2021-08-29 16:31:40,728 INFO L854 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (< 1 fibo2_~n)) [2021-08-29 16:31:40,728 INFO L858 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2021-08-29 16:31:40,729 INFO L854 garLoopResultBuilder]: At program point L25-2(line 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (and (or (and (<= |fibo2_#t~ret9| 1) (<= 1 |fibo2_#t~ret9|)) (not (<= |fibo2_#in~n| 3))) (<= |fibo2_#in~n| fibo2_~n) (or (and (<= |fibo2_#in~n| 4) .cse0) (and .cse0 (<= 6 fibo2_~n)) (and (<= 3 |fibo2_#t~ret9|) (<= |fibo2_#t~ret9| 3))) (or (and .cse0 (<= 5 fibo2_~n)) (and (<= |fibo2_#t~ret9| 2) (<= 2 |fibo2_#t~ret9|)) (and (<= fibo2_~n 3) (< 1 fibo2_~n))))) [2021-08-29 16:31:40,729 INFO L858 garLoopResultBuilder]: For program point L22(lines 22 26) no Hoare annotation was computed. [2021-08-29 16:31:40,729 INFO L858 garLoopResultBuilder]: For program point L25-3(line 25) no Hoare annotation was computed. [2021-08-29 16:31:40,729 INFO L858 garLoopResultBuilder]: For program point L20(lines 20 26) no Hoare annotation was computed. [2021-08-29 16:31:40,729 INFO L858 garLoopResultBuilder]: For program point fibo2FINAL(lines 19 27) no Hoare annotation was computed. [2021-08-29 16:31:40,729 INFO L858 garLoopResultBuilder]: For program point fibo2EXIT(lines 19 27) no Hoare annotation was computed. [2021-08-29 16:31:40,729 INFO L861 garLoopResultBuilder]: At program point fibo1ENTRY(lines 9 17) the Hoare annotation is: true [2021-08-29 16:31:40,729 INFO L854 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (= fibo1_~n |fibo1_#in~n|) (not (<= |fibo1_#in~n| 1))) [2021-08-29 16:31:40,730 INFO L858 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-08-29 16:31:40,730 INFO L854 garLoopResultBuilder]: At program point L15-2(line 15) the Hoare annotation is: (and (or (and (<= 2 |fibo1_#t~ret7|) (<= |fibo1_#t~ret7| 2)) (<= |fibo1_#in~n| 3) (<= 5 fibo1_~n)) (or (<= |fibo1_#in~n| 5) (and (<= |fibo1_#t~ret7| 5) (<= 5 |fibo1_#t~ret7|)) (<= 7 fibo1_~n)) (= fibo1_~n |fibo1_#in~n|) (not (<= |fibo1_#in~n| 1)) (or (<= 4 fibo1_~n) (and (<= |fibo1_#t~ret7| 1) (<= 1 |fibo1_#t~ret7|)))) [2021-08-29 16:31:40,731 INFO L858 garLoopResultBuilder]: For program point L12(lines 12 16) no Hoare annotation was computed. [2021-08-29 16:31:40,731 INFO L858 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-08-29 16:31:40,731 INFO L858 garLoopResultBuilder]: For program point fibo1FINAL(lines 9 17) no Hoare annotation was computed. [2021-08-29 16:31:40,731 INFO L858 garLoopResultBuilder]: For program point L10(lines 10 16) no Hoare annotation was computed. [2021-08-29 16:31:40,731 INFO L858 garLoopResultBuilder]: For program point fibo1EXIT(lines 9 17) no Hoare annotation was computed. [2021-08-29 16:31:40,734 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:31:40,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:31:40 BoogieIcfgContainer [2021-08-29 16:31:40,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:31:40,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:31:40,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:31:40,745 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:31:40,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:31:17" (3/4) ... [2021-08-29 16:31:40,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:31:40,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2021-08-29 16:31:40,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2021-08-29 16:31:40,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-29 16:31:40,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 16:31:40,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:31:40,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:31:40,781 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:31:40,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:31:40,781 INFO L158 Benchmark]: Toolchain (without parser) took 23527.49ms. Allocated memory was 58.7MB in the beginning and 182.5MB in the end (delta: 123.7MB). Free memory was 37.2MB in the beginning and 135.3MB in the end (delta: -98.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-08-29 16:31:40,781 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:31:40,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.12ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 43.3MB in the end (delta: -6.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 16:31:40,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.32ms. Allocated memory is still 58.7MB. Free memory was 43.1MB in the beginning and 41.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:31:40,782 INFO L158 Benchmark]: Boogie Preprocessor took 14.42ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 40.9MB in the end (delta: 941.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:31:40,782 INFO L158 Benchmark]: RCFGBuilder took 197.73ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 32.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 16:31:40,782 INFO L158 Benchmark]: TraceAbstraction took 23056.29ms. Allocated memory was 58.7MB in the beginning and 182.5MB in the end (delta: 123.7MB). Free memory was 31.9MB in the beginning and 138.4MB in the end (delta: -106.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2021-08-29 16:31:40,783 INFO L158 Benchmark]: Witness Printer took 36.31ms. Allocated memory is still 182.5MB. Free memory was 138.4MB in the beginning and 135.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:31:40,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.12ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 43.3MB in the end (delta: -6.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.32ms. Allocated memory is still 58.7MB. Free memory was 43.1MB in the beginning and 41.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.42ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 40.9MB in the end (delta: 941.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.73ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 32.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23056.29ms. Allocated memory was 58.7MB in the beginning and 182.5MB in the end (delta: 123.7MB). Free memory was 31.9MB in the beginning and 138.4MB in the end (delta: -106.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. * Witness Printer took 36.31ms. Allocated memory is still 182.5MB. Free memory was 138.4MB in the beginning and 135.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 41]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23003.28ms, OverallIterations: 14, TraceHistogramMax: 34, EmptinessCheckTime: 32.93ms, AutomataDifference: 4212.80ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 1022.61ms, InitialAbstractionConstructionTime: 8.89ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 964 SdHoareTripleChecker+Valid, 3107.27ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 885 mSDsluCounter, 1344 SdHoareTripleChecker+Invalid, 2432.06ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3651 mSDsCounter, 899 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7357 IncrementalHoareTripleChecker+Invalid, 8256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 899 mSolverCounterUnsat, 133 mSDtfsCounter, 7357 mSolverCounterSat, 43.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3848 GetRequests, 3471 SyntacticMatches, 35 SemanticMatches, 342 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2120 ImplicationChecksByTransitivity, 2603.30ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=11, InterpolantAutomatonStates: 254, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 143.16ms AutomataMinimizationTime, 14 MinimizatonAttempts, 132 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 8 LocationsWithAnnotation, 452 PreInvPairs, 640 NumberOfFragments, 134 HoareAnnotationTreeSize, 452 FomulaSimplifications, 4343 FormulaSimplificationTreeSizeReduction, 307.31ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 6119 FormulaSimplificationTreeSizeReductionInter, 698.93ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 120.89ms SsaConstructionTime, 455.10ms SatisfiabilityAnalysisTime, 13750.20ms InterpolantComputationTime, 3135 NumberOfCodeBlocks, 2897 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 4654 ConstructedInterpolants, 0 QuantifiedInterpolants, 8862 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3198 ConjunctsInSsa, 207 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 24054/29178 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 6 <= x RESULT: Ultimate proved your program to be correct! [2021-08-29 16:31:40,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...