./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/eca-rers2012/Problem11_label25.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 b4e8b6c8f89a25584ac62471fc9c9e3ea4aeb898 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 21:45:00,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 21:45:00,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 21:45:00,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 21:45:00,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 21:45:00,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 21:45:00,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 21:45:00,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 21:45:00,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 21:45:00,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 21:45:00,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 21:45:00,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 21:45:00,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 21:45:00,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 21:45:00,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 21:45:00,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 21:45:00,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 21:45:00,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 21:45:00,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 21:45:00,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 21:45:00,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 21:45:00,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 21:45:00,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 21:45:00,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 21:45:00,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 21:45:00,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 21:45:00,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 21:45:00,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 21:45:00,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 21:45:00,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 21:45:00,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 21:45:00,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 21:45:00,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 21:45:00,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 21:45:00,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 21:45:00,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 21:45:00,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 21:45:00,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 21:45:00,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 21:45:00,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 21:45:00,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 21:45:00,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 21:45:00,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 21:45:00,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 21:45:00,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 21:45:00,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 21:45:00,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 21:45:00,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 21:45:00,432 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 21:45:00,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 21:45:00,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 21:45:00,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 21:45:00,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 21:45:00,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 21:45:00,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 21:45:00,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 21:45:00,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 21:45:00,434 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 21:45:00,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 21:45:00,434 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 21:45:00,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 21:45:00,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 21:45:00,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 21:45:00,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 21:45:00,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:45:00,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 21:45:00,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 21:45:00,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 21:45:00,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 21:45:00,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 21:45:00,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 21:45:00,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 21:45:00,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4e8b6c8f89a25584ac62471fc9c9e3ea4aeb898 [2021-08-25 21:45:00,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 21:45:00,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 21:45:00,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 21:45:00,721 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 21:45:00,721 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 21:45:00,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label25.c [2021-08-25 21:45:00,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46dc4c065/67f1d339e76b4a50a81568be80b973c9/FLAG628f1baf6 [2021-08-25 21:45:01,268 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 21:45:01,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label25.c [2021-08-25 21:45:01,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46dc4c065/67f1d339e76b4a50a81568be80b973c9/FLAG628f1baf6 [2021-08-25 21:45:01,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46dc4c065/67f1d339e76b4a50a81568be80b973c9 [2021-08-25 21:45:01,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 21:45:01,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 21:45:01,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 21:45:01,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 21:45:01,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 21:45:01,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:45:01" (1/1) ... [2021-08-25 21:45:01,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791fde41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:01, skipping insertion in model container [2021-08-25 21:45:01,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:45:01" (1/1) ... [2021-08-25 21:45:01,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 21:45:01,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 21:45:01,745 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/eca-rers2012/Problem11_label25.c[4556,4569] [2021-08-25 21:45:01,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:45:01,948 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 21:45:01,996 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/eca-rers2012/Problem11_label25.c[4556,4569] [2021-08-25 21:45:02,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:45:02,098 INFO L208 MainTranslator]: Completed translation [2021-08-25 21:45:02,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02 WrapperNode [2021-08-25 21:45:02,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 21:45:02,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 21:45:02,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 21:45:02,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 21:45:02,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 21:45:02,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 21:45:02,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 21:45:02,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 21:45:02,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 21:45:02,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 21:45:02,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 21:45:02,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 21:45:02,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (1/1) ... [2021-08-25 21:45:02,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:45:02,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:02,338 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) [2021-08-25 21:45:02,361 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 [2021-08-25 21:45:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 21:45:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 21:45:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 21:45:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 21:45:04,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 21:45:04,127 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 21:45:04,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:45:04 BoogieIcfgContainer [2021-08-25 21:45:04,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 21:45:04,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 21:45:04,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 21:45:04,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 21:45:04,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 09:45:01" (1/3) ... [2021-08-25 21:45:04,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d143bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:45:04, skipping insertion in model container [2021-08-25 21:45:04,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:45:02" (2/3) ... [2021-08-25 21:45:04,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d143bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:45:04, skipping insertion in model container [2021-08-25 21:45:04,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:45:04" (3/3) ... [2021-08-25 21:45:04,135 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label25.c [2021-08-25 21:45:04,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 21:45:04,139 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 21:45:04,176 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 21:45:04,181 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 [2021-08-25 21:45:04,181 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 21:45:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2021-08-25 21:45:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-25 21:45:04,200 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:04,201 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:04,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:04,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:04,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1843609039, now seen corresponding path program 1 times [2021-08-25 21:45:04,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:04,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972574782] [2021-08-25 21:45:04,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:04,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:04,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:04,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972574782] [2021-08-25 21:45:04,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972574782] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:04,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:04,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:45:04,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132264870] [2021-08-25 21:45:04,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:04,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:04,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:04,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:04,437 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) [2021-08-25 21:45:05,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:05,601 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-08-25 21:45:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:05,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-08-25 21:45:05,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:05,611 INFO L225 Difference]: With dead ends: 761 [2021-08-25 21:45:05,611 INFO L226 Difference]: Without dead ends: 413 [2021-08-25 21:45:05,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:05,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-08-25 21:45:05,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-08-25 21:45:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 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) [2021-08-25 21:45:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-08-25 21:45:05,651 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 31 [2021-08-25 21:45:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:05,652 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-08-25 21:45:05,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) [2021-08-25 21:45:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-08-25 21:45:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-25 21:45:05,654 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:05,654 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:05,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 21:45:05,655 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:05,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:05,655 INFO L82 PathProgramCache]: Analyzing trace with hash 511429272, now seen corresponding path program 1 times [2021-08-25 21:45:05,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:05,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395635213] [2021-08-25 21:45:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:05,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:05,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:05,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395635213] [2021-08-25 21:45:05,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395635213] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:05,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:05,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:45:05,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525432203] [2021-08-25 21:45:05,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:05,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:05,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:05,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:05,736 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:45:06,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:06,598 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-08-25 21:45:06,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:06,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-08-25 21:45:06,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:06,604 INFO L225 Difference]: With dead ends: 1211 [2021-08-25 21:45:06,604 INFO L226 Difference]: Without dead ends: 800 [2021-08-25 21:45:06,608 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:06,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-08-25 21:45:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-08-25 21:45:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 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) [2021-08-25 21:45:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2021-08-25 21:45:06,656 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 99 [2021-08-25 21:45:06,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:06,656 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2021-08-25 21:45:06,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:45:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2021-08-25 21:45:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-08-25 21:45:06,660 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:06,661 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:06,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 21:45:06,661 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:06,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:06,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2046842248, now seen corresponding path program 1 times [2021-08-25 21:45:06,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:06,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690314359] [2021-08-25 21:45:06,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:06,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:06,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:06,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690314359] [2021-08-25 21:45:06,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690314359] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:06,812 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:06,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:45:06,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708061155] [2021-08-25 21:45:06,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:06,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:06,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:06,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:06,814 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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) [2021-08-25 21:45:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:07,593 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2021-08-25 21:45:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:07,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-08-25 21:45:07,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:07,597 INFO L225 Difference]: With dead ends: 1945 [2021-08-25 21:45:07,597 INFO L226 Difference]: Without dead ends: 1158 [2021-08-25 21:45:07,598 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:07,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-08-25 21:45:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-08-25 21:45:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2716262975778547) internal successors, (1470), 1156 states have internal predecessors, (1470), 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) [2021-08-25 21:45:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2021-08-25 21:45:07,614 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 100 [2021-08-25 21:45:07,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:07,615 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2021-08-25 21:45:07,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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) [2021-08-25 21:45:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2021-08-25 21:45:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-08-25 21:45:07,620 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:07,621 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:07,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 21:45:07,622 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:07,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:07,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1827645373, now seen corresponding path program 1 times [2021-08-25 21:45:07,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:07,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462814345] [2021-08-25 21:45:07,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:07,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:07,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:07,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462814345] [2021-08-25 21:45:07,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462814345] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:07,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:07,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:07,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364525247] [2021-08-25 21:45:07,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:07,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:07,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:07,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:07,749 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-08-25 21:45:08,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:08,976 INFO L93 Difference]: Finished difference Result 3445 states and 4568 transitions. [2021-08-25 21:45:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:08,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2021-08-25 21:45:08,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:08,984 INFO L225 Difference]: With dead ends: 3445 [2021-08-25 21:45:08,984 INFO L226 Difference]: Without dead ends: 2474 [2021-08-25 21:45:08,985 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2021-08-25 21:45:09,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2473. [2021-08-25 21:45:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 2472 states have (on average 1.287621359223301) internal successors, (3183), 2472 states have internal predecessors, (3183), 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) [2021-08-25 21:45:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3183 transitions. [2021-08-25 21:45:09,016 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3183 transitions. Word has length 158 [2021-08-25 21:45:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:09,017 INFO L470 AbstractCegarLoop]: Abstraction has 2473 states and 3183 transitions. [2021-08-25 21:45:09,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-08-25 21:45:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3183 transitions. [2021-08-25 21:45:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-08-25 21:45:09,019 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:09,019 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:09,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 21:45:09,019 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:09,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:09,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1853380539, now seen corresponding path program 1 times [2021-08-25 21:45:09,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:09,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586325074] [2021-08-25 21:45:09,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:09,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:09,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:09,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586325074] [2021-08-25 21:45:09,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586325074] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:09,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:09,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:09,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920189500] [2021-08-25 21:45:09,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:09,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:09,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:09,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:09,098 INFO L87 Difference]: Start difference. First operand 2473 states and 3183 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2021-08-25 21:45:09,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:09,772 INFO L93 Difference]: Finished difference Result 5695 states and 7520 transitions. [2021-08-25 21:45:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:09,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2021-08-25 21:45:09,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:09,783 INFO L225 Difference]: With dead ends: 5695 [2021-08-25 21:45:09,783 INFO L226 Difference]: Without dead ends: 3592 [2021-08-25 21:45:09,785 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3592 states. [2021-08-25 21:45:09,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3592 to 3579. [2021-08-25 21:45:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 3578 states have (on average 1.252375628842929) internal successors, (4481), 3578 states have internal predecessors, (4481), 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) [2021-08-25 21:45:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4481 transitions. [2021-08-25 21:45:09,830 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4481 transitions. Word has length 211 [2021-08-25 21:45:09,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:09,830 INFO L470 AbstractCegarLoop]: Abstraction has 3579 states and 4481 transitions. [2021-08-25 21:45:09,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2021-08-25 21:45:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4481 transitions. [2021-08-25 21:45:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-08-25 21:45:09,832 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:09,832 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:09,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 21:45:09,833 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:09,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:09,833 INFO L82 PathProgramCache]: Analyzing trace with hash 898941365, now seen corresponding path program 1 times [2021-08-25 21:45:09,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:09,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803589270] [2021-08-25 21:45:09,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:09,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:45:09,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:09,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803589270] [2021-08-25 21:45:09,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803589270] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:09,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:09,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:09,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491456231] [2021-08-25 21:45:09,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:09,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:09,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:09,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:09,898 INFO L87 Difference]: Start difference. First operand 3579 states and 4481 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-25 21:45:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:10,576 INFO L93 Difference]: Finished difference Result 7726 states and 9781 transitions. [2021-08-25 21:45:10,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:10,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 212 [2021-08-25 21:45:10,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:10,590 INFO L225 Difference]: With dead ends: 7726 [2021-08-25 21:45:10,590 INFO L226 Difference]: Without dead ends: 4517 [2021-08-25 21:45:10,594 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:10,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4517 states. [2021-08-25 21:45:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4517 to 4499. [2021-08-25 21:45:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4499 states, 4498 states have (on average 1.240773677189862) internal successors, (5581), 4498 states have internal predecessors, (5581), 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) [2021-08-25 21:45:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4499 states to 4499 states and 5581 transitions. [2021-08-25 21:45:10,664 INFO L78 Accepts]: Start accepts. Automaton has 4499 states and 5581 transitions. Word has length 212 [2021-08-25 21:45:10,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:10,664 INFO L470 AbstractCegarLoop]: Abstraction has 4499 states and 5581 transitions. [2021-08-25 21:45:10,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-25 21:45:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4499 states and 5581 transitions. [2021-08-25 21:45:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-08-25 21:45:10,666 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:10,666 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:10,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 21:45:10,667 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:10,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:10,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1164869568, now seen corresponding path program 1 times [2021-08-25 21:45:10,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:10,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2716479] [2021-08-25 21:45:10,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:10,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-25 21:45:10,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:10,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2716479] [2021-08-25 21:45:10,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2716479] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:10,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:10,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:10,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107542392] [2021-08-25 21:45:10,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:10,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:10,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:10,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:10,726 INFO L87 Difference]: Start difference. First operand 4499 states and 5581 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-25 21:45:11,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:11,424 INFO L93 Difference]: Finished difference Result 9741 states and 12305 transitions. [2021-08-25 21:45:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:11,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 213 [2021-08-25 21:45:11,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:11,447 INFO L225 Difference]: With dead ends: 9741 [2021-08-25 21:45:11,447 INFO L226 Difference]: Without dead ends: 5612 [2021-08-25 21:45:11,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2021-08-25 21:45:11,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 5419. [2021-08-25 21:45:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5419 states, 5418 states have (on average 1.2331118493909192) internal successors, (6681), 5418 states have internal predecessors, (6681), 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) [2021-08-25 21:45:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5419 states to 5419 states and 6681 transitions. [2021-08-25 21:45:11,512 INFO L78 Accepts]: Start accepts. Automaton has 5419 states and 6681 transitions. Word has length 213 [2021-08-25 21:45:11,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:11,513 INFO L470 AbstractCegarLoop]: Abstraction has 5419 states and 6681 transitions. [2021-08-25 21:45:11,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-25 21:45:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 5419 states and 6681 transitions. [2021-08-25 21:45:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-08-25 21:45:11,515 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:11,515 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:11,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 21:45:11,516 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:11,516 INFO L82 PathProgramCache]: Analyzing trace with hash 479506802, now seen corresponding path program 1 times [2021-08-25 21:45:11,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:11,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306069769] [2021-08-25 21:45:11,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:11,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:11,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:11,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306069769] [2021-08-25 21:45:11,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306069769] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:11,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:11,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:45:11,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418946955] [2021-08-25 21:45:11,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:11,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:11,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:11,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:11,647 INFO L87 Difference]: Start difference. First operand 5419 states and 6681 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 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) [2021-08-25 21:45:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:12,852 INFO L93 Difference]: Finished difference Result 16399 states and 20713 transitions. [2021-08-25 21:45:12,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:12,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2021-08-25 21:45:12,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:12,878 INFO L225 Difference]: With dead ends: 16399 [2021-08-25 21:45:12,878 INFO L226 Difference]: Without dead ends: 11350 [2021-08-25 21:45:12,885 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11350 states. [2021-08-25 21:45:12,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11350 to 11344. [2021-08-25 21:45:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11344 states, 11343 states have (on average 1.2060301507537687) internal successors, (13680), 11343 states have internal predecessors, (13680), 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) [2021-08-25 21:45:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11344 states to 11344 states and 13680 transitions. [2021-08-25 21:45:13,016 INFO L78 Accepts]: Start accepts. Automaton has 11344 states and 13680 transitions. Word has length 233 [2021-08-25 21:45:13,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:13,017 INFO L470 AbstractCegarLoop]: Abstraction has 11344 states and 13680 transitions. [2021-08-25 21:45:13,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 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) [2021-08-25 21:45:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 11344 states and 13680 transitions. [2021-08-25 21:45:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-08-25 21:45:13,020 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:13,020 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:13,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 21:45:13,020 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:13,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:13,021 INFO L82 PathProgramCache]: Analyzing trace with hash 483937782, now seen corresponding path program 1 times [2021-08-25 21:45:13,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:13,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627282084] [2021-08-25 21:45:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:13,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-08-25 21:45:13,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:13,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627282084] [2021-08-25 21:45:13,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627282084] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:13,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:13,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:45:13,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181832301] [2021-08-25 21:45:13,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:13,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:13,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:13,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:13,085 INFO L87 Difference]: Start difference. First operand 11344 states and 13680 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 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) [2021-08-25 21:45:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:13,848 INFO L93 Difference]: Finished difference Result 25075 states and 30489 transitions. [2021-08-25 21:45:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:13,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2021-08-25 21:45:13,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:13,879 INFO L225 Difference]: With dead ends: 25075 [2021-08-25 21:45:13,880 INFO L226 Difference]: Without dead ends: 14101 [2021-08-25 21:45:13,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:13,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14101 states. [2021-08-25 21:45:14,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14101 to 13547. [2021-08-25 21:45:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13547 states, 13546 states have (on average 1.1601210689502437) internal successors, (15715), 13546 states have internal predecessors, (15715), 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) [2021-08-25 21:45:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13547 states to 13547 states and 15715 transitions. [2021-08-25 21:45:14,033 INFO L78 Accepts]: Start accepts. Automaton has 13547 states and 15715 transitions. Word has length 234 [2021-08-25 21:45:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:14,033 INFO L470 AbstractCegarLoop]: Abstraction has 13547 states and 15715 transitions. [2021-08-25 21:45:14,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 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) [2021-08-25 21:45:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13547 states and 15715 transitions. [2021-08-25 21:45:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-08-25 21:45:14,036 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:14,036 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:14,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 21:45:14,037 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:14,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:14,037 INFO L82 PathProgramCache]: Analyzing trace with hash -554811765, now seen corresponding path program 1 times [2021-08-25 21:45:14,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:14,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065574342] [2021-08-25 21:45:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:14,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:14,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:14,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065574342] [2021-08-25 21:45:14,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065574342] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:14,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:14,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:45:14,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591374230] [2021-08-25 21:45:14,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:14,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:14,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:14,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:14,128 INFO L87 Difference]: Start difference. First operand 13547 states and 15715 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 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) [2021-08-25 21:45:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:15,507 INFO L93 Difference]: Finished difference Result 32623 states and 38078 transitions. [2021-08-25 21:45:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:15,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243 [2021-08-25 21:45:15,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:15,536 INFO L225 Difference]: With dead ends: 32623 [2021-08-25 21:45:15,536 INFO L226 Difference]: Without dead ends: 19446 [2021-08-25 21:45:15,547 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19446 states. [2021-08-25 21:45:15,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19446 to 17962. [2021-08-25 21:45:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17962 states, 17961 states have (on average 1.158120371916931) internal successors, (20801), 17961 states have internal predecessors, (20801), 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) [2021-08-25 21:45:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17962 states to 17962 states and 20801 transitions. [2021-08-25 21:45:15,789 INFO L78 Accepts]: Start accepts. Automaton has 17962 states and 20801 transitions. Word has length 243 [2021-08-25 21:45:15,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:15,790 INFO L470 AbstractCegarLoop]: Abstraction has 17962 states and 20801 transitions. [2021-08-25 21:45:15,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 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) [2021-08-25 21:45:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 17962 states and 20801 transitions. [2021-08-25 21:45:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-08-25 21:45:15,793 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:15,793 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:15,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 21:45:15,793 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:15,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:15,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1688647778, now seen corresponding path program 1 times [2021-08-25 21:45:15,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:15,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314958598] [2021-08-25 21:45:15,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:15,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:45:15,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:15,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314958598] [2021-08-25 21:45:15,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314958598] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:15,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:15,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:15,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885555392] [2021-08-25 21:45:15,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:15,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:15,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:15,873 INFO L87 Difference]: Start difference. First operand 17962 states and 20801 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2021-08-25 21:45:16,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:16,710 INFO L93 Difference]: Finished difference Result 35185 states and 40785 transitions. [2021-08-25 21:45:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:16,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2021-08-25 21:45:16,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:16,738 INFO L225 Difference]: With dead ends: 35185 [2021-08-25 21:45:16,739 INFO L226 Difference]: Without dead ends: 17409 [2021-08-25 21:45:16,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:16,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17409 states. [2021-08-25 21:45:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17409 to 17217. [2021-08-25 21:45:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17217 states, 17216 states have (on average 1.1367913568773234) internal successors, (19571), 17216 states have internal predecessors, (19571), 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) [2021-08-25 21:45:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17217 states to 17217 states and 19571 transitions. [2021-08-25 21:45:16,952 INFO L78 Accepts]: Start accepts. Automaton has 17217 states and 19571 transitions. Word has length 250 [2021-08-25 21:45:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:16,953 INFO L470 AbstractCegarLoop]: Abstraction has 17217 states and 19571 transitions. [2021-08-25 21:45:16,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2021-08-25 21:45:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 17217 states and 19571 transitions. [2021-08-25 21:45:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-08-25 21:45:16,960 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:16,961 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:16,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 21:45:16,961 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:16,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:16,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1152681977, now seen corresponding path program 1 times [2021-08-25 21:45:16,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:16,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393607351] [2021-08-25 21:45:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:16,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 113 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:17,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:17,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393607351] [2021-08-25 21:45:17,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393607351] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:17,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605927557] [2021-08-25 21:45:17,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:17,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:17,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:17,104 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) [2021-08-25 21:45:17,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 21:45:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:17,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:45:17,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:18,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605927557] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:18,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:18,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:45:18,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737368233] [2021-08-25 21:45:18,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:18,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:18,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:18,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:18,286 INFO L87 Difference]: Start difference. First operand 17217 states and 19571 transitions. Second operand has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2021-08-25 21:45:19,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:19,320 INFO L93 Difference]: Finished difference Result 32042 states and 36493 transitions. [2021-08-25 21:45:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:19,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 264 [2021-08-25 21:45:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:19,340 INFO L225 Difference]: With dead ends: 32042 [2021-08-25 21:45:19,341 INFO L226 Difference]: Without dead ends: 17223 [2021-08-25 21:45:19,352 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.8ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:19,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17223 states. [2021-08-25 21:45:19,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17223 to 17217. [2021-08-25 21:45:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17217 states, 17216 states have (on average 1.1353973048327137) internal successors, (19547), 17216 states have internal predecessors, (19547), 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) [2021-08-25 21:45:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17217 states to 17217 states and 19547 transitions. [2021-08-25 21:45:19,523 INFO L78 Accepts]: Start accepts. Automaton has 17217 states and 19547 transitions. Word has length 264 [2021-08-25 21:45:19,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:19,524 INFO L470 AbstractCegarLoop]: Abstraction has 17217 states and 19547 transitions. [2021-08-25 21:45:19,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2021-08-25 21:45:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 17217 states and 19547 transitions. [2021-08-25 21:45:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-08-25 21:45:19,529 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:19,530 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:19,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:19,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-25 21:45:19,745 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:19,745 INFO L82 PathProgramCache]: Analyzing trace with hash -800517391, now seen corresponding path program 1 times [2021-08-25 21:45:19,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:19,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102181304] [2021-08-25 21:45:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:19,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-08-25 21:45:19,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:19,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102181304] [2021-08-25 21:45:19,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102181304] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:19,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:19,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:19,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17065146] [2021-08-25 21:45:19,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:19,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:19,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:19,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:19,831 INFO L87 Difference]: Start difference. First operand 17217 states and 19547 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-08-25 21:45:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:20,553 INFO L93 Difference]: Finished difference Result 35899 states and 40779 transitions. [2021-08-25 21:45:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:20,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2021-08-25 21:45:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:20,581 INFO L225 Difference]: With dead ends: 35899 [2021-08-25 21:45:20,581 INFO L226 Difference]: Without dead ends: 21080 [2021-08-25 21:45:20,592 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:20,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21080 states. [2021-08-25 21:45:20,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21080 to 18136. [2021-08-25 21:45:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18136 states, 18135 states have (on average 1.1355390129583678) internal successors, (20593), 18135 states have internal predecessors, (20593), 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) [2021-08-25 21:45:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18136 states to 18136 states and 20593 transitions. [2021-08-25 21:45:20,808 INFO L78 Accepts]: Start accepts. Automaton has 18136 states and 20593 transitions. Word has length 298 [2021-08-25 21:45:20,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:20,809 INFO L470 AbstractCegarLoop]: Abstraction has 18136 states and 20593 transitions. [2021-08-25 21:45:20,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-08-25 21:45:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 18136 states and 20593 transitions. [2021-08-25 21:45:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-08-25 21:45:20,815 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:20,816 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:20,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 21:45:20,816 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:20,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:20,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1136282861, now seen corresponding path program 1 times [2021-08-25 21:45:20,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:20,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569469339] [2021-08-25 21:45:20,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:20,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:45:20,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:20,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569469339] [2021-08-25 21:45:20,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569469339] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:20,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:20,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:45:20,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765499437] [2021-08-25 21:45:20,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:20,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:20,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:20,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:20,930 INFO L87 Difference]: Start difference. First operand 18136 states and 20593 transitions. Second operand has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 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) [2021-08-25 21:45:22,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:22,278 INFO L93 Difference]: Finished difference Result 41457 states and 47289 transitions. [2021-08-25 21:45:22,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:22,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 302 [2021-08-25 21:45:22,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:22,319 INFO L225 Difference]: With dead ends: 41457 [2021-08-25 21:45:22,319 INFO L226 Difference]: Without dead ends: 24978 [2021-08-25 21:45:22,331 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:22,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24978 states. [2021-08-25 21:45:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24978 to 20164. [2021-08-25 21:45:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20164 states, 20163 states have (on average 1.1247830184000396) internal successors, (22679), 20163 states have internal predecessors, (22679), 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) [2021-08-25 21:45:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20164 states to 20164 states and 22679 transitions. [2021-08-25 21:45:22,538 INFO L78 Accepts]: Start accepts. Automaton has 20164 states and 22679 transitions. Word has length 302 [2021-08-25 21:45:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:22,539 INFO L470 AbstractCegarLoop]: Abstraction has 20164 states and 22679 transitions. [2021-08-25 21:45:22,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 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) [2021-08-25 21:45:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 20164 states and 22679 transitions. [2021-08-25 21:45:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-08-25 21:45:22,545 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:22,545 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:22,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 21:45:22,545 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:22,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1067278363, now seen corresponding path program 1 times [2021-08-25 21:45:22,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:22,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500480569] [2021-08-25 21:45:22,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:22,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 56 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:22,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:22,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500480569] [2021-08-25 21:45:22,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500480569] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:22,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010251912] [2021-08-25 21:45:22,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:22,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:22,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:22,741 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) [2021-08-25 21:45:22,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 21:45:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:23,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:45:23,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-08-25 21:45:23,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010251912] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:23,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:23,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-25 21:45:23,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826935296] [2021-08-25 21:45:23,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:23,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:23,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:23,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:45:23,803 INFO L87 Difference]: Start difference. First operand 20164 states and 22679 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2021-08-25 21:45:24,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:24,338 INFO L93 Difference]: Finished difference Result 20350 states and 22870 transitions. [2021-08-25 21:45:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:24,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 311 [2021-08-25 21:45:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:24,358 INFO L225 Difference]: With dead ends: 20350 [2021-08-25 21:45:24,358 INFO L226 Difference]: Without dead ends: 20348 [2021-08-25 21:45:24,364 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 310 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:45:24,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20348 states. [2021-08-25 21:45:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20348 to 20164. [2021-08-25 21:45:24,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20164 states, 20163 states have (on average 1.1247830184000396) internal successors, (22679), 20163 states have internal predecessors, (22679), 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) [2021-08-25 21:45:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20164 states to 20164 states and 22679 transitions. [2021-08-25 21:45:24,614 INFO L78 Accepts]: Start accepts. Automaton has 20164 states and 22679 transitions. Word has length 311 [2021-08-25 21:45:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:24,614 INFO L470 AbstractCegarLoop]: Abstraction has 20164 states and 22679 transitions. [2021-08-25 21:45:24,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2021-08-25 21:45:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 20164 states and 22679 transitions. [2021-08-25 21:45:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-08-25 21:45:24,620 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:24,620 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:24,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:24,839 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,SelfDestructingSolverStorable14 [2021-08-25 21:45:24,839 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:24,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:24,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1650248133, now seen corresponding path program 1 times [2021-08-25 21:45:24,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:24,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085842698] [2021-08-25 21:45:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:24,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-08-25 21:45:24,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:24,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085842698] [2021-08-25 21:45:24,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085842698] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:24,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:24,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:45:24,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281057703] [2021-08-25 21:45:24,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:24,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:24,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:24,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:24,916 INFO L87 Difference]: Start difference. First operand 20164 states and 22679 transitions. Second operand has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 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) [2021-08-25 21:45:26,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:26,153 INFO L93 Difference]: Finished difference Result 46981 states and 52838 transitions. [2021-08-25 21:45:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:26,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 318 [2021-08-25 21:45:26,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:26,185 INFO L225 Difference]: With dead ends: 46981 [2021-08-25 21:45:26,185 INFO L226 Difference]: Without dead ends: 29215 [2021-08-25 21:45:26,199 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:26,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29215 states. [2021-08-25 21:45:26,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29215 to 26993. [2021-08-25 21:45:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26993 states, 26992 states have (on average 1.121184054534677) internal successors, (30263), 26992 states have internal predecessors, (30263), 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) [2021-08-25 21:45:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26993 states to 26993 states and 30263 transitions. [2021-08-25 21:45:26,567 INFO L78 Accepts]: Start accepts. Automaton has 26993 states and 30263 transitions. Word has length 318 [2021-08-25 21:45:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:26,567 INFO L470 AbstractCegarLoop]: Abstraction has 26993 states and 30263 transitions. [2021-08-25 21:45:26,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 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) [2021-08-25 21:45:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26993 states and 30263 transitions. [2021-08-25 21:45:26,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-08-25 21:45:26,574 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:26,575 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:26,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 21:45:26,575 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:26,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:26,576 INFO L82 PathProgramCache]: Analyzing trace with hash 623756768, now seen corresponding path program 1 times [2021-08-25 21:45:26,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:26,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308062775] [2021-08-25 21:45:26,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:26,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:26,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:26,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308062775] [2021-08-25 21:45:26,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308062775] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:26,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611535445] [2021-08-25 21:45:26,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:26,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:26,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:26,681 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) [2021-08-25 21:45:26,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 21:45:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:27,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 21:45:27,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:28,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611535445] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:28,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:45:28,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-08-25 21:45:28,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117404880] [2021-08-25 21:45:28,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 21:45:28,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:28,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 21:45:28,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:28,006 INFO L87 Difference]: Start difference. First operand 26993 states and 30263 transitions. Second operand has 7 states, 7 states have (on average 51.57142857142857) internal successors, (361), 6 states have internal predecessors, (361), 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) [2021-08-25 21:45:30,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:30,257 INFO L93 Difference]: Finished difference Result 67456 states and 75580 transitions. [2021-08-25 21:45:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 21:45:30,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 51.57142857142857) internal successors, (361), 6 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329 [2021-08-25 21:45:30,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:30,301 INFO L225 Difference]: With dead ends: 67456 [2021-08-25 21:45:30,301 INFO L226 Difference]: Without dead ends: 43413 [2021-08-25 21:45:30,319 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 15.3ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:30,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43413 states. [2021-08-25 21:45:30,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43413 to 40458. [2021-08-25 21:45:30,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40458 states, 40457 states have (on average 1.1204735892428999) internal successors, (45331), 40457 states have internal predecessors, (45331), 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) [2021-08-25 21:45:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40458 states to 40458 states and 45331 transitions. [2021-08-25 21:45:30,818 INFO L78 Accepts]: Start accepts. Automaton has 40458 states and 45331 transitions. Word has length 329 [2021-08-25 21:45:30,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:30,819 INFO L470 AbstractCegarLoop]: Abstraction has 40458 states and 45331 transitions. [2021-08-25 21:45:30,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 51.57142857142857) internal successors, (361), 6 states have internal predecessors, (361), 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) [2021-08-25 21:45:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 40458 states and 45331 transitions. [2021-08-25 21:45:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-08-25 21:45:30,829 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:30,829 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:30,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:31,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:31,037 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:31,038 INFO L82 PathProgramCache]: Analyzing trace with hash 855192324, now seen corresponding path program 1 times [2021-08-25 21:45:31,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:31,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996737111] [2021-08-25 21:45:31,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:31,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-08-25 21:45:31,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:31,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996737111] [2021-08-25 21:45:31,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996737111] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:31,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:31,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:45:31,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18846564] [2021-08-25 21:45:31,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:31,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:31,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:31,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:31,130 INFO L87 Difference]: Start difference. First operand 40458 states and 45331 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 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) [2021-08-25 21:45:32,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:32,384 INFO L93 Difference]: Finished difference Result 84241 states and 94251 transitions. [2021-08-25 21:45:32,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:32,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 353 [2021-08-25 21:45:32,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:32,434 INFO L225 Difference]: With dead ends: 84241 [2021-08-25 21:45:32,434 INFO L226 Difference]: Without dead ends: 46919 [2021-08-25 21:45:32,459 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:32,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46919 states. [2021-08-25 21:45:32,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46919 to 42293. [2021-08-25 21:45:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42293 states, 42292 states have (on average 1.1185803461647592) internal successors, (47307), 42292 states have internal predecessors, (47307), 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) [2021-08-25 21:45:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42293 states to 42293 states and 47307 transitions. [2021-08-25 21:45:32,989 INFO L78 Accepts]: Start accepts. Automaton has 42293 states and 47307 transitions. Word has length 353 [2021-08-25 21:45:32,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:32,989 INFO L470 AbstractCegarLoop]: Abstraction has 42293 states and 47307 transitions. [2021-08-25 21:45:32,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 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) [2021-08-25 21:45:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 42293 states and 47307 transitions. [2021-08-25 21:45:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-08-25 21:45:33,001 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:33,001 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:33,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 21:45:33,002 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:33,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:33,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1639835473, now seen corresponding path program 1 times [2021-08-25 21:45:33,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:33,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988284884] [2021-08-25 21:45:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:33,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 160 proven. 133 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:45:33,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:33,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988284884] [2021-08-25 21:45:33,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988284884] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:33,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556771468] [2021-08-25 21:45:33,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:33,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:33,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:33,094 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) [2021-08-25 21:45:33,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 21:45:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:33,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:45:33,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-08-25 21:45:34,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556771468] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:34,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:34,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-25 21:45:34,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779739323] [2021-08-25 21:45:34,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:34,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:34,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:34,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:34,639 INFO L87 Difference]: Start difference. First operand 42293 states and 47307 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-08-25 21:45:35,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:35,436 INFO L93 Difference]: Finished difference Result 81445 states and 91106 transitions. [2021-08-25 21:45:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:35,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 389 [2021-08-25 21:45:35,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:35,480 INFO L225 Difference]: With dead ends: 81445 [2021-08-25 21:45:35,480 INFO L226 Difference]: Without dead ends: 42288 [2021-08-25 21:45:35,505 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:35,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42288 states. [2021-08-25 21:45:35,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42288 to 41919. [2021-08-25 21:45:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41919 states, 41918 states have (on average 1.112839353022568) internal successors, (46648), 41918 states have internal predecessors, (46648), 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) [2021-08-25 21:45:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41919 states to 41919 states and 46648 transitions. [2021-08-25 21:45:36,009 INFO L78 Accepts]: Start accepts. Automaton has 41919 states and 46648 transitions. Word has length 389 [2021-08-25 21:45:36,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:36,009 INFO L470 AbstractCegarLoop]: Abstraction has 41919 states and 46648 transitions. [2021-08-25 21:45:36,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-08-25 21:45:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 41919 states and 46648 transitions. [2021-08-25 21:45:36,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-08-25 21:45:36,027 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:36,027 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:36,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:36,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:36,240 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:36,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:36,241 INFO L82 PathProgramCache]: Analyzing trace with hash 830831852, now seen corresponding path program 1 times [2021-08-25 21:45:36,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:36,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124359534] [2021-08-25 21:45:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:36,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-08-25 21:45:36,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:36,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124359534] [2021-08-25 21:45:36,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124359534] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:36,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:36,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:36,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788794174] [2021-08-25 21:45:36,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:36,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:36,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:36,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:36,440 INFO L87 Difference]: Start difference. First operand 41919 states and 46648 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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) [2021-08-25 21:45:37,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:37,347 INFO L93 Difference]: Finished difference Result 79229 states and 88034 transitions. [2021-08-25 21:45:37,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:37,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 404 [2021-08-25 21:45:37,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:37,388 INFO L225 Difference]: With dead ends: 79229 [2021-08-25 21:45:37,388 INFO L226 Difference]: Without dead ends: 40446 [2021-08-25 21:45:37,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:37,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40446 states. [2021-08-25 21:45:37,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40446 to 37306. [2021-08-25 21:45:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37306 states, 37305 states have (on average 1.1109502747620963) internal successors, (41444), 37305 states have internal predecessors, (41444), 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) [2021-08-25 21:45:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37306 states to 37306 states and 41444 transitions. [2021-08-25 21:45:37,774 INFO L78 Accepts]: Start accepts. Automaton has 37306 states and 41444 transitions. Word has length 404 [2021-08-25 21:45:37,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:37,775 INFO L470 AbstractCegarLoop]: Abstraction has 37306 states and 41444 transitions. [2021-08-25 21:45:37,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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) [2021-08-25 21:45:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 37306 states and 41444 transitions. [2021-08-25 21:45:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2021-08-25 21:45:37,792 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:37,792 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:37,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 21:45:37,793 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:37,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:37,793 INFO L82 PathProgramCache]: Analyzing trace with hash 908773697, now seen corresponding path program 1 times [2021-08-25 21:45:37,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:37,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144319647] [2021-08-25 21:45:37,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:37,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 20 proven. 66 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-08-25 21:45:38,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:38,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144319647] [2021-08-25 21:45:38,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144319647] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:38,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724769821] [2021-08-25 21:45:38,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:38,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:38,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:38,011 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) [2021-08-25 21:45:38,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 21:45:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:38,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:45:38,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:39,512 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-08-25 21:45:39,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724769821] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:39,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:39,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-08-25 21:45:39,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132505644] [2021-08-25 21:45:39,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:39,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:39,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:39,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:39,514 INFO L87 Difference]: Start difference. First operand 37306 states and 41444 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2021-08-25 21:45:40,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:40,305 INFO L93 Difference]: Finished difference Result 76629 states and 85059 transitions. [2021-08-25 21:45:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:40,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 426 [2021-08-25 21:45:40,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:40,345 INFO L225 Difference]: With dead ends: 76629 [2021-08-25 21:45:40,346 INFO L226 Difference]: Without dead ends: 39693 [2021-08-25 21:45:40,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.4ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:40,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39693 states. [2021-08-25 21:45:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39693 to 36743. [2021-08-25 21:45:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36743 states, 36742 states have (on average 1.1082956834140765) internal successors, (40721), 36742 states have internal predecessors, (40721), 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) [2021-08-25 21:45:40,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36743 states to 36743 states and 40721 transitions. [2021-08-25 21:45:40,787 INFO L78 Accepts]: Start accepts. Automaton has 36743 states and 40721 transitions. Word has length 426 [2021-08-25 21:45:40,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:40,787 INFO L470 AbstractCegarLoop]: Abstraction has 36743 states and 40721 transitions. [2021-08-25 21:45:40,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2021-08-25 21:45:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 36743 states and 40721 transitions. [2021-08-25 21:45:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-08-25 21:45:40,802 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:40,802 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:40,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:41,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:41,003 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:41,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1524508717, now seen corresponding path program 1 times [2021-08-25 21:45:41,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:41,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049751634] [2021-08-25 21:45:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:41,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 226 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-08-25 21:45:41,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:41,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049751634] [2021-08-25 21:45:41,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049751634] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:41,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178308223] [2021-08-25 21:45:41,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:41,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:41,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:41,128 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) [2021-08-25 21:45:41,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 21:45:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:41,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:45:41,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-08-25 21:45:42,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178308223] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:42,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:42,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:45:42,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745369542] [2021-08-25 21:45:42,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:42,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:42,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:42,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:42,875 INFO L87 Difference]: Start difference. First operand 36743 states and 40721 transitions. Second operand has 4 states, 4 states have (on average 100.25) internal successors, (401), 3 states have internal predecessors, (401), 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) [2021-08-25 21:45:44,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:44,188 INFO L93 Difference]: Finished difference Result 86567 states and 96096 transitions. [2021-08-25 21:45:44,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:44,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 429 [2021-08-25 21:45:44,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:44,240 INFO L225 Difference]: With dead ends: 86567 [2021-08-25 21:45:44,240 INFO L226 Difference]: Without dead ends: 50194 [2021-08-25 21:45:44,263 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50194 states. [2021-08-25 21:45:44,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50194 to 46690. [2021-08-25 21:45:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46690 states, 46689 states have (on average 1.100152070080747) internal successors, (51365), 46689 states have internal predecessors, (51365), 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) [2021-08-25 21:45:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46690 states to 46690 states and 51365 transitions. [2021-08-25 21:45:44,699 INFO L78 Accepts]: Start accepts. Automaton has 46690 states and 51365 transitions. Word has length 429 [2021-08-25 21:45:44,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:44,700 INFO L470 AbstractCegarLoop]: Abstraction has 46690 states and 51365 transitions. [2021-08-25 21:45:44,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 3 states have internal predecessors, (401), 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) [2021-08-25 21:45:44,700 INFO L276 IsEmpty]: Start isEmpty. Operand 46690 states and 51365 transitions. [2021-08-25 21:45:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-08-25 21:45:44,717 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:44,717 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:44,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:44,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:44,924 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:44,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:44,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1347349967, now seen corresponding path program 1 times [2021-08-25 21:45:44,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:44,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363100340] [2021-08-25 21:45:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:44,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 86 proven. 252 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-08-25 21:45:45,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:45,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363100340] [2021-08-25 21:45:45,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363100340] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:45,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639220676] [2021-08-25 21:45:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:45,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:45,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:45,050 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) [2021-08-25 21:45:45,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-25 21:45:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:45,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 21:45:45,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 86 proven. 252 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-08-25 21:45:47,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639220676] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:47,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:45:47,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-08-25 21:45:47,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143146831] [2021-08-25 21:45:47,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 21:45:47,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 21:45:47,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:47,247 INFO L87 Difference]: Start difference. First operand 46690 states and 51365 transitions. Second operand has 7 states, 7 states have (on average 59.57142857142857) internal successors, (417), 6 states have internal predecessors, (417), 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) [2021-08-25 21:45:49,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:49,409 INFO L93 Difference]: Finished difference Result 60150 states and 66083 transitions. [2021-08-25 21:45:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 21:45:49,410 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 59.57142857142857) internal successors, (417), 6 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 467 [2021-08-25 21:45:49,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:49,480 INFO L225 Difference]: With dead ends: 60150 [2021-08-25 21:45:49,480 INFO L226 Difference]: Without dead ends: 60148 [2021-08-25 21:45:49,496 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 17.1ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:49,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60148 states. [2021-08-25 21:45:49,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60148 to 46690. [2021-08-25 21:45:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46690 states, 46689 states have (on average 1.100152070080747) internal successors, (51365), 46689 states have internal predecessors, (51365), 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) [2021-08-25 21:45:49,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46690 states to 46690 states and 51365 transitions. [2021-08-25 21:45:49,995 INFO L78 Accepts]: Start accepts. Automaton has 46690 states and 51365 transitions. Word has length 467 [2021-08-25 21:45:49,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:49,995 INFO L470 AbstractCegarLoop]: Abstraction has 46690 states and 51365 transitions. [2021-08-25 21:45:49,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.57142857142857) internal successors, (417), 6 states have internal predecessors, (417), 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) [2021-08-25 21:45:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 46690 states and 51365 transitions. [2021-08-25 21:45:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2021-08-25 21:45:50,023 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:50,024 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:50,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:50,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:50,232 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:50,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:50,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1390239441, now seen corresponding path program 1 times [2021-08-25 21:45:50,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:50,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122478117] [2021-08-25 21:45:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:50,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-08-25 21:45:50,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:50,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122478117] [2021-08-25 21:45:50,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122478117] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:50,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:50,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:50,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369538620] [2021-08-25 21:45:50,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:50,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:50,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:50,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:50,337 INFO L87 Difference]: Start difference. First operand 46690 states and 51365 transitions. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-08-25 21:45:51,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:51,189 INFO L93 Difference]: Finished difference Result 90980 states and 100117 transitions. [2021-08-25 21:45:51,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:51,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 511 [2021-08-25 21:45:51,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:51,240 INFO L225 Difference]: With dead ends: 90980 [2021-08-25 21:45:51,240 INFO L226 Difference]: Without dead ends: 47422 [2021-08-25 21:45:51,266 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:51,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47422 states. [2021-08-25 21:45:51,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47422 to 46686. [2021-08-25 21:45:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46686 states, 46685 states have (on average 1.0967762664667453) internal successors, (51203), 46685 states have internal predecessors, (51203), 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) [2021-08-25 21:45:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46686 states to 46686 states and 51203 transitions. [2021-08-25 21:45:51,835 INFO L78 Accepts]: Start accepts. Automaton has 46686 states and 51203 transitions. Word has length 511 [2021-08-25 21:45:51,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:51,835 INFO L470 AbstractCegarLoop]: Abstraction has 46686 states and 51203 transitions. [2021-08-25 21:45:51,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-08-25 21:45:51,835 INFO L276 IsEmpty]: Start isEmpty. Operand 46686 states and 51203 transitions. [2021-08-25 21:45:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-08-25 21:45:51,861 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:51,861 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:51,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 21:45:51,861 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:51,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:51,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1494685698, now seen corresponding path program 1 times [2021-08-25 21:45:51,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:51,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233680909] [2021-08-25 21:45:51,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:51,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 261 proven. 142 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-08-25 21:45:52,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:52,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233680909] [2021-08-25 21:45:52,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233680909] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:52,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122872733] [2021-08-25 21:45:52,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:52,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:52,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:52,097 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) [2021-08-25 21:45:52,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-25 21:45:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:53,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 21:45:53,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 86 proven. 317 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-08-25 21:45:55,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122872733] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:55,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:45:55,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2021-08-25 21:45:55,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077090730] [2021-08-25 21:45:55,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-25 21:45:55,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:55,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-25 21:45:55,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:45:55,132 INFO L87 Difference]: Start difference. First operand 46686 states and 51203 transitions. Second operand has 8 states, 8 states have (on average 88.75) internal successors, (710), 7 states have internal predecessors, (710), 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) [2021-08-25 21:45:57,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:57,503 INFO L93 Difference]: Finished difference Result 92164 states and 101013 transitions. [2021-08-25 21:45:57,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-25 21:45:57,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 88.75) internal successors, (710), 7 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 520 [2021-08-25 21:45:57,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:57,549 INFO L225 Difference]: With dead ends: 92164 [2021-08-25 21:45:57,550 INFO L226 Difference]: Without dead ends: 45478 [2021-08-25 21:45:57,575 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 319.3ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-08-25 21:45:57,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45478 states. [2021-08-25 21:45:57,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45478 to 43880. [2021-08-25 21:45:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43880 states, 43879 states have (on average 1.0943275826705257) internal successors, (48018), 43879 states have internal predecessors, (48018), 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) [2021-08-25 21:45:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43880 states to 43880 states and 48018 transitions. [2021-08-25 21:45:57,981 INFO L78 Accepts]: Start accepts. Automaton has 43880 states and 48018 transitions. Word has length 520 [2021-08-25 21:45:57,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:57,982 INFO L470 AbstractCegarLoop]: Abstraction has 43880 states and 48018 transitions. [2021-08-25 21:45:57,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 88.75) internal successors, (710), 7 states have internal predecessors, (710), 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) [2021-08-25 21:45:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 43880 states and 48018 transitions. [2021-08-25 21:45:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-08-25 21:45:58,008 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:58,008 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:58,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:58,209 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,SelfDestructingSolverStorable24 [2021-08-25 21:45:58,210 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:58,210 INFO L82 PathProgramCache]: Analyzing trace with hash 569466562, now seen corresponding path program 1 times [2021-08-25 21:45:58,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:58,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296302144] [2021-08-25 21:45:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:58,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:45:58,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:58,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296302144] [2021-08-25 21:45:58,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296302144] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:58,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:58,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:58,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14771351] [2021-08-25 21:45:58,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:58,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:58,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:58,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:58,310 INFO L87 Difference]: Start difference. First operand 43880 states and 48018 transitions. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2021-08-25 21:45:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:59,049 INFO L93 Difference]: Finished difference Result 84810 states and 92835 transitions. [2021-08-25 21:45:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:59,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 521 [2021-08-25 21:45:59,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:59,092 INFO L225 Difference]: With dead ends: 84810 [2021-08-25 21:45:59,092 INFO L226 Difference]: Without dead ends: 44432 [2021-08-25 21:45:59,115 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44432 states. [2021-08-25 21:45:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44432 to 43880. [2021-08-25 21:45:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43880 states, 43879 states have (on average 1.0943275826705257) internal successors, (48018), 43879 states have internal predecessors, (48018), 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) [2021-08-25 21:45:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43880 states to 43880 states and 48018 transitions. [2021-08-25 21:45:59,527 INFO L78 Accepts]: Start accepts. Automaton has 43880 states and 48018 transitions. Word has length 521 [2021-08-25 21:45:59,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:59,528 INFO L470 AbstractCegarLoop]: Abstraction has 43880 states and 48018 transitions. [2021-08-25 21:45:59,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2021-08-25 21:45:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 43880 states and 48018 transitions. [2021-08-25 21:45:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2021-08-25 21:45:59,556 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:59,556 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:59,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-25 21:45:59,560 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:59,560 INFO L82 PathProgramCache]: Analyzing trace with hash -550112838, now seen corresponding path program 1 times [2021-08-25 21:45:59,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:59,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302673261] [2021-08-25 21:45:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:59,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-08-25 21:45:59,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:59,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302673261] [2021-08-25 21:45:59,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302673261] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:59,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:59,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 21:45:59,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910438133] [2021-08-25 21:45:59,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 21:45:59,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:59,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 21:45:59,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:59,776 INFO L87 Difference]: Start difference. First operand 43880 states and 48018 transitions. Second operand has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 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) [2021-08-25 21:46:01,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:01,187 INFO L93 Difference]: Finished difference Result 60649 states and 66282 transitions. [2021-08-25 21:46:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 21:46:01,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 541 [2021-08-25 21:46:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:01,251 INFO L225 Difference]: With dead ends: 60649 [2021-08-25 21:46:01,251 INFO L226 Difference]: Without dead ends: 60647 [2021-08-25 21:46:01,267 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:46:01,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60647 states. [2021-08-25 21:46:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60647 to 52720. [2021-08-25 21:46:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52720 states, 52719 states have (on average 1.0941975378895654) internal successors, (57685), 52719 states have internal predecessors, (57685), 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) [2021-08-25 21:46:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52720 states to 52720 states and 57685 transitions. [2021-08-25 21:46:01,824 INFO L78 Accepts]: Start accepts. Automaton has 52720 states and 57685 transitions. Word has length 541 [2021-08-25 21:46:01,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:01,824 INFO L470 AbstractCegarLoop]: Abstraction has 52720 states and 57685 transitions. [2021-08-25 21:46:01,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 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) [2021-08-25 21:46:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 52720 states and 57685 transitions. [2021-08-25 21:46:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-08-25 21:46:01,851 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:01,851 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:01,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-25 21:46:01,852 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:01,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:01,852 INFO L82 PathProgramCache]: Analyzing trace with hash 348163194, now seen corresponding path program 1 times [2021-08-25 21:46:01,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:01,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224443803] [2021-08-25 21:46:01,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:01,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 29 proven. 394 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-08-25 21:46:01,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:01,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224443803] [2021-08-25 21:46:01,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224443803] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:01,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245499372] [2021-08-25 21:46:01,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:01,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:01,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:01,999 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) [2021-08-25 21:46:02,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-25 21:46:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:03,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-25 21:46:03,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 29 proven. 394 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-08-25 21:46:04,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245499372] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:04,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:46:04,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-08-25 21:46:04,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997933668] [2021-08-25 21:46:04,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 21:46:04,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:04,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 21:46:04,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:46:04,748 INFO L87 Difference]: Start difference. First operand 52720 states and 57685 transitions. Second operand has 9 states, 9 states have (on average 85.88888888888889) internal successors, (773), 8 states have internal predecessors, (773), 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) [2021-08-25 21:46:07,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:07,865 INFO L93 Difference]: Finished difference Result 140804 states and 154031 transitions. [2021-08-25 21:46:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-25 21:46:07,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 85.88888888888889) internal successors, (773), 8 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 555 [2021-08-25 21:46:07,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:07,967 INFO L225 Difference]: With dead ends: 140804 [2021-08-25 21:46:07,968 INFO L226 Difference]: Without dead ends: 91586 [2021-08-25 21:46:08,006 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-25 21:46:08,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91586 states. [2021-08-25 21:46:08,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91586 to 87717. [2021-08-25 21:46:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87717 states, 87716 states have (on average 1.0949541702768024) internal successors, (96045), 87716 states have internal predecessors, (96045), 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) [2021-08-25 21:46:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87717 states to 87717 states and 96045 transitions. [2021-08-25 21:46:09,027 INFO L78 Accepts]: Start accepts. Automaton has 87717 states and 96045 transitions. Word has length 555 [2021-08-25 21:46:09,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:09,028 INFO L470 AbstractCegarLoop]: Abstraction has 87717 states and 96045 transitions. [2021-08-25 21:46:09,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 85.88888888888889) internal successors, (773), 8 states have internal predecessors, (773), 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) [2021-08-25 21:46:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 87717 states and 96045 transitions. [2021-08-25 21:46:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2021-08-25 21:46:09,062 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:09,063 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:09,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-25 21:46:09,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-25 21:46:09,269 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:09,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:09,269 INFO L82 PathProgramCache]: Analyzing trace with hash -293700836, now seen corresponding path program 1 times [2021-08-25 21:46:09,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:09,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577715115] [2021-08-25 21:46:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:09,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:09,379 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-08-25 21:46:09,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:09,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577715115] [2021-08-25 21:46:09,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577715115] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:09,380 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:09,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:09,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997061106] [2021-08-25 21:46:09,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:46:09,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:09,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:46:09,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:09,382 INFO L87 Difference]: Start difference. First operand 87717 states and 96045 transitions. Second operand has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 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) [2021-08-25 21:46:10,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:10,796 INFO L93 Difference]: Finished difference Result 190167 states and 208518 transitions. [2021-08-25 21:46:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:46:10,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 576 [2021-08-25 21:46:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:10,914 INFO L225 Difference]: With dead ends: 190167 [2021-08-25 21:46:10,914 INFO L226 Difference]: Without dead ends: 102819 [2021-08-25 21:46:10,966 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:11,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102819 states. [2021-08-25 21:46:12,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102819 to 96729. [2021-08-25 21:46:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96729 states, 96728 states have (on average 1.0788706475891159) internal successors, (104357), 96728 states have internal predecessors, (104357), 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) [2021-08-25 21:46:12,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96729 states to 96729 states and 104357 transitions. [2021-08-25 21:46:12,654 INFO L78 Accepts]: Start accepts. Automaton has 96729 states and 104357 transitions. Word has length 576 [2021-08-25 21:46:12,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:12,655 INFO L470 AbstractCegarLoop]: Abstraction has 96729 states and 104357 transitions. [2021-08-25 21:46:12,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 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) [2021-08-25 21:46:12,655 INFO L276 IsEmpty]: Start isEmpty. Operand 96729 states and 104357 transitions. [2021-08-25 21:46:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-08-25 21:46:12,690 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:12,690 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:12,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-25 21:46:12,690 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:12,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:12,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1618246653, now seen corresponding path program 1 times [2021-08-25 21:46:12,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:12,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116036773] [2021-08-25 21:46:12,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:12,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-08-25 21:46:12,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:12,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116036773] [2021-08-25 21:46:12,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116036773] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:12,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:12,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:12,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849159792] [2021-08-25 21:46:12,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:12,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:12,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:12,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:12,818 INFO L87 Difference]: Start difference. First operand 96729 states and 104357 transitions. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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) [2021-08-25 21:46:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:14,128 INFO L93 Difference]: Finished difference Result 190508 states and 205544 transitions. [2021-08-25 21:46:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:14,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 578 [2021-08-25 21:46:14,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:14,235 INFO L225 Difference]: With dead ends: 190508 [2021-08-25 21:46:14,235 INFO L226 Difference]: Without dead ends: 97833 [2021-08-25 21:46:14,284 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97833 states. [2021-08-25 21:46:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97833 to 77223. [2021-08-25 21:46:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77223 states, 77222 states have (on average 1.083641967315014) internal successors, (83681), 77222 states have internal predecessors, (83681), 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) [2021-08-25 21:46:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77223 states to 77223 states and 83681 transitions. [2021-08-25 21:46:15,301 INFO L78 Accepts]: Start accepts. Automaton has 77223 states and 83681 transitions. Word has length 578 [2021-08-25 21:46:15,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:15,301 INFO L470 AbstractCegarLoop]: Abstraction has 77223 states and 83681 transitions. [2021-08-25 21:46:15,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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) [2021-08-25 21:46:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 77223 states and 83681 transitions. [2021-08-25 21:46:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-08-25 21:46:15,335 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:15,335 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:15,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-25 21:46:15,336 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:15,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:15,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1149354582, now seen corresponding path program 1 times [2021-08-25 21:46:15,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:15,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954931666] [2021-08-25 21:46:15,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:15,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 840 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-08-25 21:46:15,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:15,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954931666] [2021-08-25 21:46:15,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954931666] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:15,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:15,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:46:15,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414918331] [2021-08-25 21:46:15,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:15,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:15,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:15,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:15,597 INFO L87 Difference]: Start difference. First operand 77223 states and 83681 transitions. Second operand has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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) [2021-08-25 21:46:16,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:16,633 INFO L93 Difference]: Finished difference Result 159038 states and 172259 transitions. [2021-08-25 21:46:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:16,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 653 [2021-08-25 21:46:16,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:16,731 INFO L225 Difference]: With dead ends: 159038 [2021-08-25 21:46:16,732 INFO L226 Difference]: Without dead ends: 82185 [2021-08-25 21:46:16,781 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82185 states. [2021-08-25 21:46:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82185 to 54567. [2021-08-25 21:46:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54567 states, 54566 states have (on average 1.075798116042957) internal successors, (58702), 54566 states have internal predecessors, (58702), 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) [2021-08-25 21:46:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54567 states to 54567 states and 58702 transitions. [2021-08-25 21:46:17,635 INFO L78 Accepts]: Start accepts. Automaton has 54567 states and 58702 transitions. Word has length 653 [2021-08-25 21:46:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:17,636 INFO L470 AbstractCegarLoop]: Abstraction has 54567 states and 58702 transitions. [2021-08-25 21:46:17,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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) [2021-08-25 21:46:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 54567 states and 58702 transitions. [2021-08-25 21:46:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2021-08-25 21:46:17,662 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:17,663 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:17,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-25 21:46:17,663 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:17,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:17,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2110969161, now seen corresponding path program 1 times [2021-08-25 21:46:17,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:17,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428989652] [2021-08-25 21:46:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:17,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 153 proven. 843 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:17,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:17,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428989652] [2021-08-25 21:46:17,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428989652] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:17,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039847515] [2021-08-25 21:46:17,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:17,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:17,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:17,949 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) [2021-08-25 21:46:17,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-25 21:46:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:19,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-25 21:46:19,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 29 proven. 967 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:21,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039847515] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:21,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:46:21,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-08-25 21:46:21,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564357196] [2021-08-25 21:46:21,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-25 21:46:21,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:21,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-25 21:46:21,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-08-25 21:46:21,300 INFO L87 Difference]: Start difference. First operand 54567 states and 58702 transitions. Second operand has 13 states, 13 states have (on average 103.3076923076923) internal successors, (1343), 12 states have internal predecessors, (1343), 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) [2021-08-25 21:46:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:26,053 INFO L93 Difference]: Finished difference Result 140841 states and 151520 transitions. [2021-08-25 21:46:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-25 21:46:26,054 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 103.3076923076923) internal successors, (1343), 12 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 672 [2021-08-25 21:46:26,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:26,148 INFO L225 Difference]: With dead ends: 140841 [2021-08-25 21:46:26,149 INFO L226 Difference]: Without dead ends: 89222 [2021-08-25 21:46:26,191 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 58.8ms TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-25 21:46:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89222 states. [2021-08-25 21:46:26,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89222 to 61945. [2021-08-25 21:46:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61945 states, 61944 states have (on average 1.0755521115846571) internal successors, (66624), 61944 states have internal predecessors, (66624), 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) [2021-08-25 21:46:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61945 states to 61945 states and 66624 transitions. [2021-08-25 21:46:27,250 INFO L78 Accepts]: Start accepts. Automaton has 61945 states and 66624 transitions. Word has length 672 [2021-08-25 21:46:27,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:27,251 INFO L470 AbstractCegarLoop]: Abstraction has 61945 states and 66624 transitions. [2021-08-25 21:46:27,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 103.3076923076923) internal successors, (1343), 12 states have internal predecessors, (1343), 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) [2021-08-25 21:46:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 61945 states and 66624 transitions. [2021-08-25 21:46:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-08-25 21:46:27,283 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:27,283 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:46:27,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-25 21:46:27,483 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,SelfDestructingSolverStorable31 [2021-08-25 21:46:27,484 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:27,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:27,484 INFO L82 PathProgramCache]: Analyzing trace with hash -40752651, now seen corresponding path program 1 times [2021-08-25 21:46:27,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:27,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581227410] [2021-08-25 21:46:27,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:27,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 673 proven. 198 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:46:27,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:27,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581227410] [2021-08-25 21:46:27,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581227410] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:27,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978894481] [2021-08-25 21:46:27,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:27,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:27,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:27,644 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) [2021-08-25 21:46:27,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-25 21:46:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:29,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 21:46:29,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:48:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 673 proven. 198 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:48:33,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978894481] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:48:33,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:48:33,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-08-25 21:48:33,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389464279] [2021-08-25 21:48:33,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-25 21:48:33,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:48:33,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-25 21:48:33,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-25 21:48:33,423 INFO L87 Difference]: Start difference. First operand 61945 states and 66624 transitions. Second operand has 10 states, 10 states have (on average 93.2) internal successors, (932), 10 states have internal predecessors, (932), 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) [2021-08-25 21:48:58,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:48:58,581 INFO L93 Difference]: Finished difference Result 167190 states and 179727 transitions. [2021-08-25 21:48:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-25 21:48:58,581 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 93.2) internal successors, (932), 10 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 680 [2021-08-25 21:48:58,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:48:58,697 INFO L225 Difference]: With dead ends: 167190 [2021-08-25 21:48:58,697 INFO L226 Difference]: Without dead ends: 113353 [2021-08-25 21:48:58,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1514.1ms TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-25 21:48:58,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113353 states. [2021-08-25 21:48:59,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113353 to 80177. [2021-08-25 21:48:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80177 states, 80176 states have (on average 1.0748727798842546) internal successors, (86179), 80176 states have internal predecessors, (86179), 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) [2021-08-25 21:48:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80177 states to 80177 states and 86179 transitions. [2021-08-25 21:48:59,719 INFO L78 Accepts]: Start accepts. Automaton has 80177 states and 86179 transitions. Word has length 680 [2021-08-25 21:48:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:48:59,719 INFO L470 AbstractCegarLoop]: Abstraction has 80177 states and 86179 transitions. [2021-08-25 21:48:59,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 93.2) internal successors, (932), 10 states have internal predecessors, (932), 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) [2021-08-25 21:48:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 80177 states and 86179 transitions. [2021-08-25 21:48:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2021-08-25 21:48:59,753 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:48:59,753 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:48:59,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-08-25 21:48:59,954 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,SelfDestructingSolverStorable32 [2021-08-25 21:48:59,954 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:48:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:48:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash -355611355, now seen corresponding path program 1 times [2021-08-25 21:48:59,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:48:59,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630139780] [2021-08-25 21:48:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:48:59,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:49:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:49:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2021-08-25 21:49:00,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:49:00,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630139780] [2021-08-25 21:49:00,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630139780] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:49:00,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:49:00,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:49:00,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585481123] [2021-08-25 21:49:00,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:49:00,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:49:00,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:49:00,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:49:00,113 INFO L87 Difference]: Start difference. First operand 80177 states and 86179 transitions. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2021-08-25 21:49:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:49:01,540 INFO L93 Difference]: Finished difference Result 117961 states and 126728 transitions. [2021-08-25 21:49:01,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:49:01,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 707 [2021-08-25 21:49:01,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:49:01,662 INFO L225 Difference]: With dead ends: 117961 [2021-08-25 21:49:01,662 INFO L226 Difference]: Without dead ends: 117959 [2021-08-25 21:49:01,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:49:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117959 states. [2021-08-25 21:49:02,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117959 to 39267. [2021-08-25 21:49:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39267 states, 39266 states have (on average 1.0750776753425355) internal successors, (42214), 39266 states have internal predecessors, (42214), 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) [2021-08-25 21:49:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39267 states to 39267 states and 42214 transitions. [2021-08-25 21:49:02,452 INFO L78 Accepts]: Start accepts. Automaton has 39267 states and 42214 transitions. Word has length 707 [2021-08-25 21:49:02,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:49:02,453 INFO L470 AbstractCegarLoop]: Abstraction has 39267 states and 42214 transitions. [2021-08-25 21:49:02,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2021-08-25 21:49:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 39267 states and 42214 transitions. [2021-08-25 21:49:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2021-08-25 21:49:02,483 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:49:02,483 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:49:02,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-08-25 21:49:02,483 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:49:02,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:49:02,484 INFO L82 PathProgramCache]: Analyzing trace with hash -2040398849, now seen corresponding path program 1 times [2021-08-25 21:49:02,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:49:02,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349259192] [2021-08-25 21:49:02,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:49:02,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:49:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:49:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2910 backedges. 1589 proven. 142 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-08-25 21:49:02,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:49:02,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349259192] [2021-08-25 21:49:02,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349259192] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:49:02,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534471809] [2021-08-25 21:49:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:49:02,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:49:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:49:02,665 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) [2021-08-25 21:49:02,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-25 21:49:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:49:05,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:49:05,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:49:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2910 backedges. 1825 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2021-08-25 21:49:07,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534471809] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:49:07,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:49:07,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-25 21:49:07,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572016257] [2021-08-25 21:49:07,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:49:07,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:49:07,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:49:07,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:49:07,592 INFO L87 Difference]: Start difference. First operand 39267 states and 42214 transitions. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2021-08-25 21:49:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:49:08,817 INFO L93 Difference]: Finished difference Result 79833 states and 85790 transitions. [2021-08-25 21:49:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:49:08,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 977 [2021-08-25 21:49:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:49:08,855 INFO L225 Difference]: With dead ends: 79833 [2021-08-25 21:49:08,855 INFO L226 Difference]: Without dead ends: 43512 [2021-08-25 21:49:08,876 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 978 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:49:08,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43512 states. [2021-08-25 21:49:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43512 to 39267. [2021-08-25 21:49:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39267 states, 39266 states have (on average 1.0741608516273622) internal successors, (42178), 39266 states have internal predecessors, (42178), 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) [2021-08-25 21:49:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39267 states to 39267 states and 42178 transitions. [2021-08-25 21:49:09,320 INFO L78 Accepts]: Start accepts. Automaton has 39267 states and 42178 transitions. Word has length 977 [2021-08-25 21:49:09,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:49:09,320 INFO L470 AbstractCegarLoop]: Abstraction has 39267 states and 42178 transitions. [2021-08-25 21:49:09,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2021-08-25 21:49:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 39267 states and 42178 transitions. [2021-08-25 21:49:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2021-08-25 21:49:09,352 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:49:09,353 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:49:09,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-25 21:49:09,560 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,SelfDestructingSolverStorable34 [2021-08-25 21:49:09,561 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:49:09,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:49:09,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1504100749, now seen corresponding path program 1 times [2021-08-25 21:49:09,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:49:09,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138971293] [2021-08-25 21:49:09,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:49:09,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:49:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:49:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2661 backedges. 1783 proven. 656 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-08-25 21:49:09,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:49:09,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138971293] [2021-08-25 21:49:09,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138971293] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:49:09,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363693263] [2021-08-25 21:49:09,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:49:09,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:49:09,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:49:09,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:49:09,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-25 21:49:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:49:13,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 21:49:13,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:49:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2661 backedges. 1273 proven. 0 refuted. 0 times theorem prover too weak. 1388 trivial. 0 not checked. [2021-08-25 21:49:15,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363693263] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:49:15,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:49:15,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2021-08-25 21:49:15,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416010322] [2021-08-25 21:49:15,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:49:15,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:49:15,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:49:15,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-08-25 21:49:15,630 INFO L87 Difference]: Start difference. First operand 39267 states and 42178 transitions. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-08-25 21:49:16,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:49:16,347 INFO L93 Difference]: Finished difference Result 76524 states and 82234 transitions. [2021-08-25 21:49:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:49:16,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 981 [2021-08-25 21:49:16,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:49:16,386 INFO L225 Difference]: With dead ends: 76524 [2021-08-25 21:49:16,386 INFO L226 Difference]: Without dead ends: 40203 [2021-08-25 21:49:16,406 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 981 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 55.6ms TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-08-25 21:49:16,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40203 states. [2021-08-25 21:49:16,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40203 to 39825. [2021-08-25 21:49:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39825 states, 39824 states have (on average 1.073573724387304) internal successors, (42754), 39824 states have internal predecessors, (42754), 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) [2021-08-25 21:49:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39825 states to 39825 states and 42754 transitions. [2021-08-25 21:49:16,864 INFO L78 Accepts]: Start accepts. Automaton has 39825 states and 42754 transitions. Word has length 981 [2021-08-25 21:49:16,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:49:16,864 INFO L470 AbstractCegarLoop]: Abstraction has 39825 states and 42754 transitions. [2021-08-25 21:49:16,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-08-25 21:49:16,864 INFO L276 IsEmpty]: Start isEmpty. Operand 39825 states and 42754 transitions. [2021-08-25 21:49:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2021-08-25 21:49:16,897 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:49:16,898 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:49:16,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-25 21:49:17,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-08-25 21:49:17,098 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:49:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:49:17,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1474467175, now seen corresponding path program 1 times [2021-08-25 21:49:17,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:49:17,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070808371] [2021-08-25 21:49:17,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:49:17,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:49:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:49:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3153 backedges. 2109 proven. 664 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-08-25 21:49:17,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:49:17,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070808371] [2021-08-25 21:49:17,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070808371] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:49:17,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735994434] [2021-08-25 21:49:17,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:49:17,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:49:17,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:49:17,533 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:49:17,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-25 21:49:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:49:21,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 21:49:21,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:49:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3153 backedges. 1969 proven. 221 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-08-25 21:49:24,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735994434] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:49:24,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:49:24,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2021-08-25 21:49:24,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94002071] [2021-08-25 21:49:24,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-25 21:49:24,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:49:24,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-25 21:49:24,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-08-25 21:49:24,045 INFO L87 Difference]: Start difference. First operand 39825 states and 42754 transitions. Second operand has 13 states, 13 states have (on average 105.0) internal successors, (1365), 13 states have internal predecessors, (1365), 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) [2021-08-25 21:49:29,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:49:29,536 INFO L93 Difference]: Finished difference Result 93984 states and 100710 transitions. [2021-08-25 21:49:29,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-25 21:49:29,536 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 105.0) internal successors, (1365), 13 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1040 [2021-08-25 21:49:29,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:49:29,537 INFO L225 Difference]: With dead ends: 93984 [2021-08-25 21:49:29,537 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 21:49:29,567 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1086 GetRequests, 1056 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 338.3ms TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2021-08-25 21:49:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 21:49:29,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 21:49:29,567 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) [2021-08-25 21:49:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 21:49:29,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1040 [2021-08-25 21:49:29,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:49:29,567 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 21:49:29,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 105.0) internal successors, (1365), 13 states have internal predecessors, (1365), 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) [2021-08-25 21:49:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 21:49:29,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 21:49:29,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 21:49:29,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-25 21:49:29,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:49:29,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 21:49:29,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:50:07,664 WARN L207 SmtUtils]: Spent 37.86 s on a formula simplification. DAG size of input: 4269 DAG size of output: 3184 [2021-08-25 21:50:07,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:50:46,597 WARN L207 SmtUtils]: Spent 38.92 s on a formula simplification. DAG size of input: 4266 DAG size of output: 3183 [2021-08-25 21:50:46,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:52:15,167 WARN L207 SmtUtils]: Spent 1.48 m on a formula simplification. DAG size of input: 2838 DAG size of output: 236 [2021-08-25 21:53:27,527 WARN L207 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 2838 DAG size of output: 236 [2021-08-25 21:53:27,531 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,532 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-08-25 21:53:27,533 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,534 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-25 21:53:27,535 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-08-25 21:53:27,535 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-08-25 21:53:27,535 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,535 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,535 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,535 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse42 (+ ~a23~0 43))) (let ((.cse10 (= ~a25~0 13)) (.cse40 (+ ~a23~0 599772)) (.cse15 (= ~a25~0 9)) (.cse25 (<= ~a29~0 275)) (.cse0 (= ~a25~0 12)) (.cse39 (<= ~a29~0 220)) (.cse7 (<= ~a25~0 10)) (.cse6 (<= ~a23~0 137)) (.cse2 (< 0 .cse42)) (.cse9 (= ~a4~0 1)) (.cse21 (not (= 2 ULTIMATE.start_calculate_output_~input)))) (let ((.cse24 (<= ~a23~0 312)) (.cse20 (< 0 (+ (div (+ 577632 ~a23~0) 5) 43))) (.cse26 (<= 260 ~a29~0)) (.cse8 (<= ~a23~0 262)) (.cse31 (<= 0 (+ ~a23~0 599899))) (.cse23 (<= 10 ~a25~0)) (.cse12 (<= ~a29~0 599999)) (.cse3 (<= ~a29~0 599998)) (.cse22 (<= 0 (+ ~a23~0 379604))) (.cse16 (let ((.cse43 (= (mod (+ 39747 ~a23~0) 299846) 0))) (or (and (<= 559945 ~a23~0) (< ~a23~0 859791) .cse43) (and (<= 260099 ~a23~0) (< ~a23~0 559945) (not .cse43))))) (.cse19 (<= ~a23~0 138)) (.cse28 (<= .cse42 0)) (.cse32 (<= (+ ~a29~0 275824) 0)) (.cse11 (= ~a25~0 11)) (.cse18 (<= ~a29~0 140)) (.cse30 (<= ~a29~0 384312)) (.cse27 (<= 307 ~a23~0)) (.cse14 (<= 246 ~a29~0)) (.cse1 (= ~a4~0 0)) (.cse37 (<= ~a29~0 243)) (.cse33 (or .cse2 .cse9 .cse21)) (.cse13 (<= ~a23~0 859790)) (.cse17 (<= 130 ~a29~0)) (.cse29 (let ((.cse41 (<= (+ 127606 ~a23~0) 0))) (or (and .cse10 .cse25 .cse9 .cse6) (and .cse7 .cse9 .cse41) (and .cse39 (<= .cse40 0) .cse9) (and .cse15 .cse9 .cse6) (and .cse25 .cse0 .cse9 .cse41) (and .cse0 .cse39 .cse9 .cse6) (and (<= (+ ~a29~0 275802) 0) .cse7 .cse9 .cse6) (and .cse7 .cse9 (<= 580396 ~a29~0) .cse6)))) (.cse4 (= ~a3~0 1)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= (+ 122188 ~a29~0) 0) .cse7 .cse8 .cse4 .cse9 .cse5) (and .cse10 .cse1 .cse2 .cse4 (<= (+ 35913 ~a29~0) 0) .cse5 .cse6) (and .cse11 .cse12 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse12 .cse15 .cse4 .cse9 .cse5 .cse16 .cse17) (and .cse18 .cse1 .cse11 .cse4 .cse19 .cse5) (and .cse12 .cse15 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse0 (<= (+ 142 ~a29~0) 0) .cse1 .cse4 .cse20 .cse5 .cse21 .cse6) (and .cse0 .cse8 .cse12 .cse4 .cse9 .cse5 .cse22) (and .cse23 .cse18 .cse1 .cse7 .cse4 .cse13 .cse5) (and .cse11 .cse12 .cse4 .cse9 .cse24 .cse5) (and .cse10 .cse25 .cse4 .cse13 .cse9 .cse5 .cse17) (and .cse26 .cse27 .cse7 .cse12 .cse4 .cse13 .cse9 .cse5) (and .cse18 .cse15 .cse4 .cse9 .cse24 .cse5) (and .cse26 .cse1 .cse11 .cse3 .cse4 .cse19 .cse20 .cse5) (and (or (and .cse28 .cse7 .cse12 .cse9) (and .cse29 .cse12)) .cse4 .cse5) (and .cse25 .cse11 .cse19 .cse9 .cse17) (and .cse26 .cse28 .cse30 .cse1 .cse31 .cse15 .cse4 .cse5) (and .cse4 (or (and .cse8 .cse12 .cse15 .cse9) (and .cse10 .cse30 .cse8 .cse9 .cse22)) .cse5) (and .cse25 .cse0 .cse1 .cse31 .cse4 .cse13 .cse5 .cse14) (and .cse23 .cse27 .cse7 .cse12 .cse4 .cse13 .cse9 .cse5) (and .cse28 .cse1 .cse11 .cse3 .cse4 .cse5 .cse14 .cse22) (and (or .cse0 .cse11) .cse32 .cse4 .cse9 .cse5 .cse16) (and .cse18 .cse1 .cse2 .cse15 .cse4 .cse19 .cse5) (and .cse0 .cse1 .cse32 .cse4 .cse33 .cse13 .cse5 (exists ((aux_div_v_~a23~0_484_35 Int) (aux_mod_v_~a23~0_484_35 Int)) (let ((.cse34 (+ (* 299846 aux_div_v_~a23~0_484_35) aux_mod_v_~a23~0_484_35))) (and (<= 299846 .cse34) (< .cse34 599692) (<= 0 aux_mod_v_~a23~0_484_35) (not (= aux_mod_v_~a23~0_484_35 0)) (let ((.cse35 (div (+ (* aux_mod_v_~a23~0_484_35 (- 2)) 79494 (* aux_div_v_~a23~0_484_35 (- 599692))) 10))) (let ((.cse36 (div .cse35 5))) (or (and (= (mod .cse35 5) 0) (= (mod (+ (* aux_div_v_~a23~0_484_35 8) (* aux_mod_v_~a23~0_484_35 8) 4) 10) 0) (<= .cse36 (+ ~a23~0 379592))) (<= .cse36 (+ 379591 ~a23~0))))) (< aux_mod_v_~a23~0_484_35 299846))))) (and .cse28 .cse32 .cse15 .cse4 .cse5) (and .cse13 (let ((.cse38 (< 181944 ~a23~0))) (or (and .cse0 .cse37 .cse38 .cse4 .cse9 .cse5) (and .cse11 .cse38 .cse4 .cse39 .cse9 .cse5))) .cse17) (and .cse10 .cse30 .cse27 .cse4 .cse13 .cse9 .cse5) (and .cse11 .cse9 .cse6) (and .cse25 .cse27 .cse7 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse0 .cse27 .cse4 .cse39 .cse13 .cse9 .cse5 .cse17) (and .cse18 .cse7 .cse4 .cse9 .cse5 .cse6) (and .cse0 .cse30 .cse27 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse0 .cse1 .cse37 .cse4 .cse33 .cse13 .cse5 .cse17) (and .cse29 (<= 0 .cse40) .cse4 .cse5))))) [2021-08-25 21:53:27,535 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-08-25 21:53:27,536 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,537 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse42 (+ ~a23~0 43))) (let ((.cse10 (= ~a25~0 13)) (.cse40 (+ ~a23~0 599772)) (.cse15 (= ~a25~0 9)) (.cse25 (<= ~a29~0 275)) (.cse0 (= ~a25~0 12)) (.cse39 (<= ~a29~0 220)) (.cse7 (<= ~a25~0 10)) (.cse6 (<= ~a23~0 137)) (.cse2 (< 0 .cse42)) (.cse9 (= ~a4~0 1)) (.cse21 (not (= 2 ULTIMATE.start_calculate_output_~input)))) (let ((.cse24 (<= ~a23~0 312)) (.cse20 (< 0 (+ (div (+ 577632 ~a23~0) 5) 43))) (.cse26 (<= 260 ~a29~0)) (.cse8 (<= ~a23~0 262)) (.cse31 (<= 0 (+ ~a23~0 599899))) (.cse23 (<= 10 ~a25~0)) (.cse12 (<= ~a29~0 599999)) (.cse3 (<= ~a29~0 599998)) (.cse22 (<= 0 (+ ~a23~0 379604))) (.cse16 (let ((.cse43 (= (mod (+ 39747 ~a23~0) 299846) 0))) (or (and (<= 559945 ~a23~0) (< ~a23~0 859791) .cse43) (and (<= 260099 ~a23~0) (< ~a23~0 559945) (not .cse43))))) (.cse19 (<= ~a23~0 138)) (.cse28 (<= .cse42 0)) (.cse32 (<= (+ ~a29~0 275824) 0)) (.cse11 (= ~a25~0 11)) (.cse18 (<= ~a29~0 140)) (.cse30 (<= ~a29~0 384312)) (.cse27 (<= 307 ~a23~0)) (.cse14 (<= 246 ~a29~0)) (.cse1 (= ~a4~0 0)) (.cse37 (<= ~a29~0 243)) (.cse33 (or .cse2 .cse9 .cse21)) (.cse13 (<= ~a23~0 859790)) (.cse17 (<= 130 ~a29~0)) (.cse29 (let ((.cse41 (<= (+ 127606 ~a23~0) 0))) (or (and .cse10 .cse25 .cse9 .cse6) (and .cse7 .cse9 .cse41) (and .cse39 (<= .cse40 0) .cse9) (and .cse15 .cse9 .cse6) (and .cse25 .cse0 .cse9 .cse41) (and .cse0 .cse39 .cse9 .cse6) (and (<= (+ ~a29~0 275802) 0) .cse7 .cse9 .cse6) (and .cse7 .cse9 (<= 580396 ~a29~0) .cse6)))) (.cse4 (= ~a3~0 1)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= (+ 122188 ~a29~0) 0) .cse7 .cse8 .cse4 .cse9 .cse5) (and .cse10 .cse1 .cse2 .cse4 (<= (+ 35913 ~a29~0) 0) .cse5 .cse6) (and .cse11 .cse12 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse12 .cse15 .cse4 .cse9 .cse5 .cse16 .cse17) (and .cse18 .cse1 .cse11 .cse4 .cse19 .cse5) (and .cse12 .cse15 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse0 (<= (+ 142 ~a29~0) 0) .cse1 .cse4 .cse20 .cse5 .cse21 .cse6) (and .cse0 .cse8 .cse12 .cse4 .cse9 .cse5 .cse22) (and .cse23 .cse18 .cse1 .cse7 .cse4 .cse13 .cse5) (and .cse11 .cse12 .cse4 .cse9 .cse24 .cse5) (and .cse10 .cse25 .cse4 .cse13 .cse9 .cse5 .cse17) (and .cse26 .cse27 .cse7 .cse12 .cse4 .cse13 .cse9 .cse5) (and .cse18 .cse15 .cse4 .cse9 .cse24 .cse5) (and .cse26 .cse1 .cse11 .cse3 .cse4 .cse19 .cse20 .cse5) (and (or (and .cse28 .cse7 .cse12 .cse9) (and .cse29 .cse12)) .cse4 .cse5) (and .cse25 .cse11 .cse19 .cse9 .cse17) (and .cse26 .cse28 .cse30 .cse1 .cse31 .cse15 .cse4 .cse5) (and .cse4 (or (and .cse8 .cse12 .cse15 .cse9) (and .cse10 .cse30 .cse8 .cse9 .cse22)) .cse5) (and .cse25 .cse0 .cse1 .cse31 .cse4 .cse13 .cse5 .cse14) (and .cse23 .cse27 .cse7 .cse12 .cse4 .cse13 .cse9 .cse5) (and .cse28 .cse1 .cse11 .cse3 .cse4 .cse5 .cse14 .cse22) (and (or .cse0 .cse11) .cse32 .cse4 .cse9 .cse5 .cse16) (and .cse18 .cse1 .cse2 .cse15 .cse4 .cse19 .cse5) (and .cse0 .cse1 .cse32 .cse4 .cse33 .cse13 .cse5 (exists ((aux_div_v_~a23~0_484_35 Int) (aux_mod_v_~a23~0_484_35 Int)) (let ((.cse34 (+ (* 299846 aux_div_v_~a23~0_484_35) aux_mod_v_~a23~0_484_35))) (and (<= 299846 .cse34) (< .cse34 599692) (<= 0 aux_mod_v_~a23~0_484_35) (not (= aux_mod_v_~a23~0_484_35 0)) (let ((.cse35 (div (+ (* aux_mod_v_~a23~0_484_35 (- 2)) 79494 (* aux_div_v_~a23~0_484_35 (- 599692))) 10))) (let ((.cse36 (div .cse35 5))) (or (and (= (mod .cse35 5) 0) (= (mod (+ (* aux_div_v_~a23~0_484_35 8) (* aux_mod_v_~a23~0_484_35 8) 4) 10) 0) (<= .cse36 (+ ~a23~0 379592))) (<= .cse36 (+ 379591 ~a23~0))))) (< aux_mod_v_~a23~0_484_35 299846))))) (and .cse28 .cse32 .cse15 .cse4 .cse5) (and .cse13 (let ((.cse38 (< 181944 ~a23~0))) (or (and .cse0 .cse37 .cse38 .cse4 .cse9 .cse5) (and .cse11 .cse38 .cse4 .cse39 .cse9 .cse5))) .cse17) (and .cse10 .cse30 .cse27 .cse4 .cse13 .cse9 .cse5) (and .cse11 .cse9 .cse6) (and .cse25 .cse27 .cse7 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse0 .cse27 .cse4 .cse39 .cse13 .cse9 .cse5 .cse17) (and .cse18 .cse7 .cse4 .cse9 .cse5 .cse6) (and .cse0 .cse30 .cse27 .cse4 .cse13 .cse9 .cse5 .cse14) (and .cse0 .cse1 .cse37 .cse4 .cse33 .cse13 .cse5 .cse17) (and .cse29 (<= 0 .cse40) .cse4 .cse5))))) [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,538 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:53:27,539 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 21:53:27,540 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-08-25 21:53:27,541 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,542 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 21:53:27,543 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-08-25 21:53:27,544 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,545 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,546 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,547 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,548 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,549 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,549 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,551 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,551 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,551 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-08-25 21:53:27,551 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-08-25 21:53:27,551 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-25 21:53:27,551 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,551 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-25 21:53:27,552 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,553 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,554 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,555 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,556 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,557 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-08-25 21:53:27,558 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-08-25 21:53:27,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 21:53:27,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,589 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,589 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,589 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 09:53:27 BoogieIcfgContainer [2021-08-25 21:53:27,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 21:53:27,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 21:53:27,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 21:53:27,597 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 21:53:27,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:45:04" (3/4) ... [2021-08-25 21:53:27,599 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 21:53:27,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 21:53:27,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 21:53:27,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:53:27,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:53:27,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((a25 == 12 && a4 == 0) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a8 == 15) && a23 <= 137) || (((((122188 + a29 <= 0 && a25 <= 10) && a23 <= 262) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a4 == 0) && 0 < a23 + 43) && a3 == 1) && 35913 + a29 <= 0) && a8 == 15) && a23 <= 137)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0)))) && 130 <= a29)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 142 + a29 <= 0) && a4 == 0) && a3 == 1) && 0 < (577632 + a23) / 5 + 43) && a8 == 15) && !(2 == input)) && a23 <= 137)) || ((((((a25 == 12 && a23 <= 262) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) && 0 <= a23 + 379604)) || ((((((10 <= a25 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((260 <= a29 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((a29 <= 140 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((260 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a23 <= 138) && 0 < (577632 + a23) / 5 + 43) && a8 == 15)) || ((((((a23 + 43 <= 0 && a25 <= 10) && a29 <= 599999) && a4 == 1) || (((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && a29 <= 599999)) && a3 == 1) && a8 == 15)) || ((((a29 <= 275 && a25 == 11) && a23 <= 138) && a4 == 1) && 130 <= a29)) || (((((((260 <= a29 && a23 + 43 <= 0) && a29 <= 384312) && a4 == 0) && 0 <= a23 + 599899) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a3 == 1 && ((((a23 <= 262 && a29 <= 599999) && a25 == 9) && a4 == 1) || ((((a25 == 13 && a29 <= 384312) && a23 <= 262) && a4 == 1) && 0 <= a23 + 379604))) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 == 12 || a25 == 11) && a29 + 275824 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0))))) || ((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((((a25 == 12 && a4 == 0) && a29 + 275824 <= 0) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && (\exists aux_div_v_~a23~0_484_35 : int, aux_mod_v_~a23~0_484_35 : int :: ((((299846 <= 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 && 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 < 599692) && 0 <= aux_mod_v_~a23~0_484_35) && !(aux_mod_v_~a23~0_484_35 == 0)) && ((((aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 % 5 == 0 && (aux_div_v_~a23~0_484_35 * 8 + aux_mod_v_~a23~0_484_35 * 8 + 4) % 10 == 0) && (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= a23 + 379592) || (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= 379591 + a23)) && aux_mod_v_~a23~0_484_35 < 299846))) || ((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a23 <= 859790 && ((((((a25 == 12 && a29 <= 243) && 181944 < a23) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 == 11 && 181944 < a23) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15))) && 130 <= a29)) || ((((((a25 == 13 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((((((a29 <= 275 && 307 <= a23) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a29 <= 140 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && a23 <= 137)) || (((((((a25 == 12 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && a4 == 0) && a29 <= 243) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && 130 <= a29)) || (((((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && 0 <= a23 + 599772) && a3 == 1) && a8 == 15) [2021-08-25 21:53:27,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((a25 == 12 && a4 == 0) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a8 == 15) && a23 <= 137) || (((((122188 + a29 <= 0 && a25 <= 10) && a23 <= 262) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a4 == 0) && 0 < a23 + 43) && a3 == 1) && 35913 + a29 <= 0) && a8 == 15) && a23 <= 137)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0)))) && 130 <= a29)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 142 + a29 <= 0) && a4 == 0) && a3 == 1) && 0 < (577632 + a23) / 5 + 43) && a8 == 15) && !(2 == input)) && a23 <= 137)) || ((((((a25 == 12 && a23 <= 262) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) && 0 <= a23 + 379604)) || ((((((10 <= a25 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((260 <= a29 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((a29 <= 140 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((260 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a23 <= 138) && 0 < (577632 + a23) / 5 + 43) && a8 == 15)) || ((((((a23 + 43 <= 0 && a25 <= 10) && a29 <= 599999) && a4 == 1) || (((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && a29 <= 599999)) && a3 == 1) && a8 == 15)) || ((((a29 <= 275 && a25 == 11) && a23 <= 138) && a4 == 1) && 130 <= a29)) || (((((((260 <= a29 && a23 + 43 <= 0) && a29 <= 384312) && a4 == 0) && 0 <= a23 + 599899) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a3 == 1 && ((((a23 <= 262 && a29 <= 599999) && a25 == 9) && a4 == 1) || ((((a25 == 13 && a29 <= 384312) && a23 <= 262) && a4 == 1) && 0 <= a23 + 379604))) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 == 12 || a25 == 11) && a29 + 275824 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0))))) || ((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((((a25 == 12 && a4 == 0) && a29 + 275824 <= 0) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && (\exists aux_div_v_~a23~0_484_35 : int, aux_mod_v_~a23~0_484_35 : int :: ((((299846 <= 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 && 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 < 599692) && 0 <= aux_mod_v_~a23~0_484_35) && !(aux_mod_v_~a23~0_484_35 == 0)) && ((((aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 % 5 == 0 && (aux_div_v_~a23~0_484_35 * 8 + aux_mod_v_~a23~0_484_35 * 8 + 4) % 10 == 0) && (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= a23 + 379592) || (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= 379591 + a23)) && aux_mod_v_~a23~0_484_35 < 299846))) || ((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a23 <= 859790 && ((((((a25 == 12 && a29 <= 243) && 181944 < a23) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 == 11 && 181944 < a23) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15))) && 130 <= a29)) || ((((((a25 == 13 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((((((a29 <= 275 && 307 <= a23) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a29 <= 140 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && a23 <= 137)) || (((((((a25 == 12 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && a4 == 0) && a29 <= 243) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && 130 <= a29)) || (((((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && 0 <= a23 + 599772) && a3 == 1) && a8 == 15) [2021-08-25 21:53:27,707 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 21:53:27,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 21:53:27,708 INFO L168 Benchmark]: Toolchain (without parser) took 506136.94 ms. Allocated memory was 60.8 MB in the beginning and 7.1 GB in the end (delta: 7.0 GB). Free memory was 43.1 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 5.2 GB. Max. memory is 16.1 GB. [2021-08-25 21:53:27,708 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.7 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 21:53:27,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.17 ms. Allocated memory is still 60.8 MB. Free memory was 42.9 MB in the beginning and 35.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:53:27,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.07 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.5 MB in the beginning and 46.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-08-25 21:53:27,709 INFO L168 Benchmark]: Boogie Preprocessor took 90.10 ms. Allocated memory is still 79.7 MB. Free memory was 46.0 MB in the beginning and 36.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 21:53:27,709 INFO L168 Benchmark]: RCFGBuilder took 1839.60 ms. Allocated memory was 79.7 MB in the beginning and 138.4 MB in the end (delta: 58.7 MB). Free memory was 36.5 MB in the beginning and 67.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. [2021-08-25 21:53:27,709 INFO L168 Benchmark]: TraceAbstraction took 503465.48 ms. Allocated memory was 138.4 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 67.2 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.4 GB. Max. memory is 16.1 GB. [2021-08-25 21:53:27,712 INFO L168 Benchmark]: Witness Printer took 110.71 ms. Allocated memory is still 7.1 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-08-25 21:53:27,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.7 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.17 ms. Allocated memory is still 60.8 MB. Free memory was 42.9 MB in the beginning and 35.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.07 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.5 MB in the beginning and 46.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.10 ms. Allocated memory is still 79.7 MB. Free memory was 46.0 MB in the beginning and 36.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1839.60 ms. Allocated memory was 79.7 MB in the beginning and 138.4 MB in the end (delta: 58.7 MB). Free memory was 36.5 MB in the beginning and 67.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 503465.48 ms. Allocated memory was 138.4 MB in the beginning and 7.1 GB in the end (delta: 6.9 GB). Free memory was 67.2 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 6.4 GB. Max. memory is 16.1 GB. * Witness Printer took 110.71 ms. Allocated memory is still 7.1 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 109]: 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 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 503386.6ms, OverallIterations: 37, TraceHistogramMax: 9, EmptinessCheckTime: 579.6ms, AutomataDifference: 78112.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 237748.9ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5994 SDtfs, 12864 SDslu, 1587 SDs, 0 SdLazy, 52100 SolverSat, 6632 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 55922.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8235 GetRequests, 8078 SyntacticMatches, 1 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 2512.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96729occurred in iteration=29, InterpolantAutomatonStates: 182, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15709.6ms AutomataMinimizationTime, 37 MinimizatonAttempts, 256413 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1101 NumberOfFragments, 2431 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1273667451 FormulaSimplificationTreeSizeReduction, 76818.6ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1193256442 FormulaSimplificationTreeSizeReductionInter, 160897.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 671.0ms SsaConstructionTime, 2852.0ms SatisfiabilityAnalysisTime, 146918.4ms InterpolantComputationTime, 23826 NumberOfCodeBlocks, 23826 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 23775 ConstructedInterpolants, 201 QuantifiedInterpolants, 107321 SizeOfPredicates, 1 NumberOfNonLiveVariables, 10606 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 51 InterpolantComputations, 30 PerfectInterpolantSequences, 30738/37221 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: 1044]: Loop Invariant [2021-08-25 21:53:27,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((((((((((((((a25 == 12 && a4 == 0) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a8 == 15) && a23 <= 137) || (((((122188 + a29 <= 0 && a25 <= 10) && a23 <= 262) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a4 == 0) && 0 < a23 + 43) && a3 == 1) && 35913 + a29 <= 0) && a8 == 15) && a23 <= 137)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0)))) && 130 <= a29)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 142 + a29 <= 0) && a4 == 0) && a3 == 1) && 0 < (577632 + a23) / 5 + 43) && a8 == 15) && !(2 == input)) && a23 <= 137)) || ((((((a25 == 12 && a23 <= 262) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) && 0 <= a23 + 379604)) || ((((((10 <= a25 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((260 <= a29 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((a29 <= 140 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((260 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a23 <= 138) && 0 < (577632 + a23) / 5 + 43) && a8 == 15)) || ((((((a23 + 43 <= 0 && a25 <= 10) && a29 <= 599999) && a4 == 1) || (((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && a29 <= 599999)) && a3 == 1) && a8 == 15)) || ((((a29 <= 275 && a25 == 11) && a23 <= 138) && a4 == 1) && 130 <= a29)) || (((((((260 <= a29 && a23 + 43 <= 0) && a29 <= 384312) && a4 == 0) && 0 <= a23 + 599899) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a3 == 1 && ((((a23 <= 262 && a29 <= 599999) && a25 == 9) && a4 == 1) || ((((a25 == 13 && a29 <= 384312) && a23 <= 262) && a4 == 1) && 0 <= a23 + 379604))) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 == 12 || a25 == 11) && a29 + 275824 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0))))) || ((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((((a25 == 12 && a4 == 0) && a29 + 275824 <= 0) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && (\exists aux_div_v_~a23~0_484_35 : int, aux_mod_v_~a23~0_484_35 : int :: ((((299846 <= 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 && 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 < 599692) && 0 <= aux_mod_v_~a23~0_484_35) && !(aux_mod_v_~a23~0_484_35 == 0)) && ((((aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 % 5 == 0 && (aux_div_v_~a23~0_484_35 * 8 + aux_mod_v_~a23~0_484_35 * 8 + 4) % 10 == 0) && (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= a23 + 379592) || (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= 379591 + a23)) && aux_mod_v_~a23~0_484_35 < 299846))) || ((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a23 <= 859790 && ((((((a25 == 12 && a29 <= 243) && 181944 < a23) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 == 11 && 181944 < a23) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15))) && 130 <= a29)) || ((((((a25 == 13 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((((((a29 <= 275 && 307 <= a23) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a29 <= 140 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && a23 <= 137)) || (((((((a25 == 12 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && a4 == 0) && a29 <= 243) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && 130 <= a29)) || (((((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && 0 <= a23 + 599772) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant [2021-08-25 21:53:27,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a23~0_484_35,QUANTIFIED] [2021-08-25 21:53:27,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_~a23~0_484_35,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((((((((((((((a25 == 12 && a4 == 0) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a8 == 15) && a23 <= 137) || (((((122188 + a29 <= 0 && a25 <= 10) && a23 <= 262) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a4 == 0) && 0 < a23 + 43) && a3 == 1) && 35913 + a29 <= 0) && a8 == 15) && a23 <= 137)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0)))) && 130 <= a29)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 138) && a8 == 15)) || ((((((a29 <= 599999 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 142 + a29 <= 0) && a4 == 0) && a3 == 1) && 0 < (577632 + a23) / 5 + 43) && a8 == 15) && !(2 == input)) && a23 <= 137)) || ((((((a25 == 12 && a23 <= 262) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) && 0 <= a23 + 379604)) || ((((((10 <= a25 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((260 <= a29 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((a29 <= 140 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((260 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a23 <= 138) && 0 < (577632 + a23) / 5 + 43) && a8 == 15)) || ((((((a23 + 43 <= 0 && a25 <= 10) && a29 <= 599999) && a4 == 1) || (((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && a29 <= 599999)) && a3 == 1) && a8 == 15)) || ((((a29 <= 275 && a25 == 11) && a23 <= 138) && a4 == 1) && 130 <= a29)) || (((((((260 <= a29 && a23 + 43 <= 0) && a29 <= 384312) && a4 == 0) && 0 <= a23 + 599899) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a3 == 1 && ((((a23 <= 262 && a29 <= 599999) && a25 == 9) && a4 == 1) || ((((a25 == 13 && a29 <= 384312) && a23 <= 262) && a4 == 1) && 0 <= a23 + 379604))) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 == 12 || a25 == 11) && a29 + 275824 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && (((559945 <= a23 && a23 < 859791) && (39747 + a23) % 299846 == 0) || ((260099 <= a23 && a23 < 559945) && !((39747 + a23) % 299846 == 0))))) || ((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((((a25 == 12 && a4 == 0) && a29 + 275824 <= 0) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && (\exists aux_div_v_~a23~0_484_35 : int, aux_mod_v_~a23~0_484_35 : int :: ((((299846 <= 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 && 299846 * aux_div_v_~a23~0_484_35 + aux_mod_v_~a23~0_484_35 < 599692) && 0 <= aux_mod_v_~a23~0_484_35) && !(aux_mod_v_~a23~0_484_35 == 0)) && ((((aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 % 5 == 0 && (aux_div_v_~a23~0_484_35 * 8 + aux_mod_v_~a23~0_484_35 * 8 + 4) % 10 == 0) && (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= a23 + 379592) || (aux_mod_v_~a23~0_484_35 * -2 + 79494 + aux_div_v_~a23~0_484_35 * -599692) / 10 / 5 <= 379591 + a23)) && aux_mod_v_~a23~0_484_35 < 299846))) || ((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || ((a23 <= 859790 && ((((((a25 == 12 && a29 <= 243) && 181944 < a23) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 == 11 && 181944 < a23) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15))) && 130 <= a29)) || ((((((a25 == 13 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((((((a29 <= 275 && 307 <= a23) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a29 <= 140 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && a23 <= 137)) || (((((((a25 == 12 && a29 <= 384312) && 307 <= a23) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (((((((a25 == 12 && a4 == 0) && a29 <= 243) && a3 == 1) && ((0 < a23 + 43 || a4 == 1) || !(2 == input))) && a23 <= 859790) && a8 == 15) && 130 <= a29)) || (((((((((((((a25 == 13 && a29 <= 275) && a4 == 1) && a23 <= 137) || ((a25 <= 10 && a4 == 1) && 127606 + a23 <= 0)) || ((a29 <= 220 && a23 + 599772 <= 0) && a4 == 1)) || ((a25 == 9 && a4 == 1) && a23 <= 137)) || (((a29 <= 275 && a25 == 12) && a4 == 1) && 127606 + a23 <= 0)) || (((a25 == 12 && a29 <= 220) && a4 == 1) && a23 <= 137)) || (((a29 + 275802 <= 0 && a25 <= 10) && a4 == 1) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && 580396 <= a29) && a23 <= 137)) && 0 <= a23 + 599772) && a3 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 21:53:27,950 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-08-25 21:53:27,983 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 137 Received shutdown request...