./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label05.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_label05.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 e6b857397af391dc2760b3023887cd6bfeea9a64 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:44:17,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 21:44:17,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 21:44:17,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 21:44:17,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 21:44:17,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 21:44:17,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 21:44:17,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 21:44:17,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 21:44:17,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 21:44:17,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 21:44:17,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 21:44:17,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 21:44:17,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 21:44:17,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 21:44:17,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 21:44:17,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 21:44:17,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 21:44:17,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 21:44:17,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 21:44:17,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 21:44:17,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 21:44:17,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 21:44:17,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 21:44:17,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 21:44:17,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 21:44:17,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 21:44:17,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 21:44:17,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 21:44:17,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 21:44:17,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 21:44:17,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 21:44:17,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 21:44:17,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 21:44:17,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 21:44:17,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 21:44:17,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 21:44:17,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 21:44:17,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 21:44:17,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 21:44:17,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 21:44:17,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 21:44:17,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 21:44:17,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 21:44:17,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 21:44:17,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 21:44:17,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 21:44:17,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 21:44:17,372 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 21:44:17,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 21:44:17,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 21:44:17,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 21:44:17,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 21:44:17,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 21:44:17,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 21:44:17,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 21:44:17,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 21:44:17,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 21:44:17,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 21:44:17,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 21:44:17,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 21:44:17,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 21:44:17,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 21:44:17,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 21:44:17,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:44:17,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 21:44:17,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 21:44:17,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 21:44:17,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 21:44:17,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 21:44:17,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 21:44:17,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 21:44:17,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6b857397af391dc2760b3023887cd6bfeea9a64 [2021-08-25 21:44:17,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 21:44:17,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 21:44:17,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 21:44:17,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 21:44:17,748 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 21:44:17,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2021-08-25 21:44:17,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ced1298c/490ce33642b3453ba88d5e873f6d6052/FLAG50eef1eea [2021-08-25 21:44:18,316 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 21:44:18,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2021-08-25 21:44:18,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ced1298c/490ce33642b3453ba88d5e873f6d6052/FLAG50eef1eea [2021-08-25 21:44:18,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ced1298c/490ce33642b3453ba88d5e873f6d6052 [2021-08-25 21:44:18,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 21:44:18,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 21:44:18,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 21:44:18,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 21:44:18,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 21:44:18,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:44:18" (1/1) ... [2021-08-25 21:44:18,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7deb933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:18, skipping insertion in model container [2021-08-25 21:44:18,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:44:18" (1/1) ... [2021-08-25 21:44:18,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 21:44:18,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 21:44:18,847 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_label05.c[9225,9238] [2021-08-25 21:44:19,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:44:19,102 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 21:44:19,148 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_label05.c[9225,9238] [2021-08-25 21:44:19,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:44:19,304 INFO L208 MainTranslator]: Completed translation [2021-08-25 21:44:19,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19 WrapperNode [2021-08-25 21:44:19,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 21:44:19,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 21:44:19,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 21:44:19,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 21:44:19,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 21:44:19,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 21:44:19,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 21:44:19,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 21:44:19,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 21:44:19,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 21:44:19,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 21:44:19,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 21:44:19,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (1/1) ... [2021-08-25 21:44:19,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:44:19,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:19,668 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 21:44:19,700 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 21:44:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 21:44:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 21:44:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 21:44:19,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 21:44:21,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 21:44:21,528 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 21:44:21,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:44:21 BoogieIcfgContainer [2021-08-25 21:44:21,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 21:44:21,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 21:44:21,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 21:44:21,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 21:44:21,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 09:44:18" (1/3) ... [2021-08-25 21:44:21,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e58771b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:44:21, skipping insertion in model container [2021-08-25 21:44:21,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:44:19" (2/3) ... [2021-08-25 21:44:21,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e58771b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:44:21, skipping insertion in model container [2021-08-25 21:44:21,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:44:21" (3/3) ... [2021-08-25 21:44:21,542 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label05.c [2021-08-25 21:44:21,551 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 21:44:21,552 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 21:44:21,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 21:44:21,604 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 21:44:21,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 21:44:21,623 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 21:44:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-08-25 21:44:21,631 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:21,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:21,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:21,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:21,637 INFO L82 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2021-08-25 21:44:21,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:21,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901660344] [2021-08-25 21:44:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:21,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:21,891 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 21:44:21,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:21,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901660344] [2021-08-25 21:44:21,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901660344] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:21,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:21,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:44:21,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313823834] [2021-08-25 21:44:21,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:21,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:21,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:21,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:21,920 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 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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 21:44:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:23,313 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-08-25 21:44:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:23,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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 64 [2021-08-25 21:44:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:23,326 INFO L225 Difference]: With dead ends: 761 [2021-08-25 21:44:23,326 INFO L226 Difference]: Without dead ends: 413 [2021-08-25 21:44:23,330 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:23,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-08-25 21:44:23,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-08-25 21:44:23,378 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 21:44:23,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-08-25 21:44:23,381 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 64 [2021-08-25 21:44:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:23,381 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-08-25 21:44:23,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 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 21:44:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-08-25 21:44:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-08-25 21:44:23,386 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:23,386 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:44:23,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 21:44:23,387 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:23,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:23,388 INFO L82 PathProgramCache]: Analyzing trace with hash -355691958, now seen corresponding path program 1 times [2021-08-25 21:44:23,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:23,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866741052] [2021-08-25 21:44:23,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:23,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:23,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:23,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866741052] [2021-08-25 21:44:23,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866741052] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:23,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:23,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:44:23,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815265454] [2021-08-25 21:44:23,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:23,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:23,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:23,527 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 21:44:24,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:24,376 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-08-25 21:44:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:24,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 132 [2021-08-25 21:44:24,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:24,387 INFO L225 Difference]: With dead ends: 1211 [2021-08-25 21:44:24,387 INFO L226 Difference]: Without dead ends: 800 [2021-08-25 21:44:24,392 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:24,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-08-25 21:44:24,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-08-25 21:44:24,418 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 21:44:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2021-08-25 21:44:24,421 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 132 [2021-08-25 21:44:24,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:24,421 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2021-08-25 21:44:24,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 21:44:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2021-08-25 21:44:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-08-25 21:44:24,426 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:24,427 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:44:24,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 21:44:24,427 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:24,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:24,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1592760116, now seen corresponding path program 1 times [2021-08-25 21:44:24,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:24,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822232792] [2021-08-25 21:44:24,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:24,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:24,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:24,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822232792] [2021-08-25 21:44:24,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822232792] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:24,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:24,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:44:24,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439514435] [2021-08-25 21:44:24,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:24,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:24,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:24,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:24,555 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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 21:44:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:25,320 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2021-08-25 21:44:25,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:25,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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 133 [2021-08-25 21:44:25,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:25,326 INFO L225 Difference]: With dead ends: 1945 [2021-08-25 21:44:25,326 INFO L226 Difference]: Without dead ends: 1158 [2021-08-25 21:44:25,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:25,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-08-25 21:44:25,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-08-25 21:44:25,346 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 21:44:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2021-08-25 21:44:25,350 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 133 [2021-08-25 21:44:25,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:25,350 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2021-08-25 21:44:25,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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 21:44:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2021-08-25 21:44:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-08-25 21:44:25,355 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:25,356 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:44:25,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 21:44:25,356 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:25,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:25,357 INFO L82 PathProgramCache]: Analyzing trace with hash 491130087, now seen corresponding path program 1 times [2021-08-25 21:44:25,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:25,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799405986] [2021-08-25 21:44:25,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:25,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:25,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:25,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799405986] [2021-08-25 21:44:25,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799405986] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:25,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:25,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:25,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172559812] [2021-08-25 21:44:25,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:25,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:25,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:25,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:25,545 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 21:44:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:26,369 INFO L93 Difference]: Finished difference Result 2519 states and 3352 transitions. [2021-08-25 21:44:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:26,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 191 [2021-08-25 21:44:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:26,378 INFO L225 Difference]: With dead ends: 2519 [2021-08-25 21:44:26,379 INFO L226 Difference]: Without dead ends: 1548 [2021-08-25 21:44:26,382 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:26,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-08-25 21:44:26,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-08-25 21:44:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.294041450777202) internal successors, (1998), 1544 states have internal predecessors, (1998), 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 21:44:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1998 transitions. [2021-08-25 21:44:26,417 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1998 transitions. Word has length 191 [2021-08-25 21:44:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:26,419 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1998 transitions. [2021-08-25 21:44:26,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 21:44:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1998 transitions. [2021-08-25 21:44:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-08-25 21:44:26,426 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:26,427 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:26,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 21:44:26,427 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:26,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:26,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1941392826, now seen corresponding path program 1 times [2021-08-25 21:44:26,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:26,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366608825] [2021-08-25 21:44:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:26,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:26,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:26,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366608825] [2021-08-25 21:44:26,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366608825] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:26,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:26,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:26,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897883962] [2021-08-25 21:44:26,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:26,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:26,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:26,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:26,599 INFO L87 Difference]: Start difference. First operand 1545 states and 1998 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 21:44:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:27,435 INFO L93 Difference]: Finished difference Result 3656 states and 4826 transitions. [2021-08-25 21:44:27,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:27,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 244 [2021-08-25 21:44:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:27,444 INFO L225 Difference]: With dead ends: 3656 [2021-08-25 21:44:27,444 INFO L226 Difference]: Without dead ends: 2297 [2021-08-25 21:44:27,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:27,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2021-08-25 21:44:27,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2100. [2021-08-25 21:44:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.2706050500238208) internal successors, (2667), 2099 states have internal predecessors, (2667), 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 21:44:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2667 transitions. [2021-08-25 21:44:27,490 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2667 transitions. Word has length 244 [2021-08-25 21:44:27,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:27,490 INFO L470 AbstractCegarLoop]: Abstraction has 2100 states and 2667 transitions. [2021-08-25 21:44:27,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 21:44:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2667 transitions. [2021-08-25 21:44:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-08-25 21:44:27,495 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:27,495 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:27,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 21:44:27,496 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:27,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:27,497 INFO L82 PathProgramCache]: Analyzing trace with hash 790120528, now seen corresponding path program 1 times [2021-08-25 21:44:27,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:27,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620753405] [2021-08-25 21:44:27,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:27,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:44:27,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:27,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620753405] [2021-08-25 21:44:27,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620753405] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:27,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:27,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:27,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128883068] [2021-08-25 21:44:27,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:27,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:27,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:27,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:27,642 INFO L87 Difference]: Start difference. First operand 2100 states and 2667 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 21:44:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:28,445 INFO L93 Difference]: Finished difference Result 4765 states and 6075 transitions. [2021-08-25 21:44:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:28,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 245 [2021-08-25 21:44:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:28,455 INFO L225 Difference]: With dead ends: 4765 [2021-08-25 21:44:28,455 INFO L226 Difference]: Without dead ends: 2667 [2021-08-25 21:44:28,463 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:28,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2021-08-25 21:44:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2652. [2021-08-25 21:44:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 2651 states have (on average 1.2572614107883817) internal successors, (3333), 2651 states have internal predecessors, (3333), 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 21:44:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3333 transitions. [2021-08-25 21:44:28,509 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3333 transitions. Word has length 245 [2021-08-25 21:44:28,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:28,510 INFO L470 AbstractCegarLoop]: Abstraction has 2652 states and 3333 transitions. [2021-08-25 21:44:28,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 21:44:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3333 transitions. [2021-08-25 21:44:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-08-25 21:44:28,513 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:28,514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:28,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 21:44:28,514 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:28,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:28,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1579189985, now seen corresponding path program 1 times [2021-08-25 21:44:28,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:28,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972841762] [2021-08-25 21:44:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:28,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-25 21:44:28,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:28,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972841762] [2021-08-25 21:44:28,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972841762] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:28,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:28,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:28,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734406022] [2021-08-25 21:44:28,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:28,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:28,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:28,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:28,624 INFO L87 Difference]: Start difference. First operand 2652 states and 3333 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 21:44:29,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:29,541 INFO L93 Difference]: Finished difference Result 6047 states and 7676 transitions. [2021-08-25 21:44:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:29,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 246 [2021-08-25 21:44:29,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:29,554 INFO L225 Difference]: With dead ends: 6047 [2021-08-25 21:44:29,554 INFO L226 Difference]: Without dead ends: 3397 [2021-08-25 21:44:29,558 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:29,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2021-08-25 21:44:29,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3204. [2021-08-25 21:44:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.2466437714642522) internal successors, (3993), 3203 states have internal predecessors, (3993), 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 21:44:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 3993 transitions. [2021-08-25 21:44:29,620 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 3993 transitions. Word has length 246 [2021-08-25 21:44:29,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:29,621 INFO L470 AbstractCegarLoop]: Abstraction has 3204 states and 3993 transitions. [2021-08-25 21:44:29,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 21:44:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3993 transitions. [2021-08-25 21:44:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-08-25 21:44:29,626 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:29,626 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 21:44:29,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 21:44:29,626 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:29,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:29,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1141889263, now seen corresponding path program 1 times [2021-08-25 21:44:29,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:29,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169051332] [2021-08-25 21:44:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:29,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:29,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:29,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169051332] [2021-08-25 21:44:29,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169051332] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:29,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:29,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:44:29,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486400776] [2021-08-25 21:44:29,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:44:29,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:29,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:44:29,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:44:29,770 INFO L87 Difference]: Start difference. First operand 3204 states and 3993 transitions. Second operand has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 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 21:44:31,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:31,199 INFO L93 Difference]: Finished difference Result 11048 states and 13849 transitions. [2021-08-25 21:44:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:44:31,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 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 266 [2021-08-25 21:44:31,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:31,228 INFO L225 Difference]: With dead ends: 11048 [2021-08-25 21:44:31,228 INFO L226 Difference]: Without dead ends: 7846 [2021-08-25 21:44:31,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:44:31,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7846 states. [2021-08-25 21:44:31,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7846 to 7473. [2021-08-25 21:44:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7473 states, 7472 states have (on average 1.2011509635974305) internal successors, (8975), 7472 states have internal predecessors, (8975), 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 21:44:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7473 states to 7473 states and 8975 transitions. [2021-08-25 21:44:31,366 INFO L78 Accepts]: Start accepts. Automaton has 7473 states and 8975 transitions. Word has length 266 [2021-08-25 21:44:31,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:31,366 INFO L470 AbstractCegarLoop]: Abstraction has 7473 states and 8975 transitions. [2021-08-25 21:44:31,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 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 21:44:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 7473 states and 8975 transitions. [2021-08-25 21:44:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-08-25 21:44:31,372 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:31,372 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:44:31,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 21:44:31,372 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:31,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:31,373 INFO L82 PathProgramCache]: Analyzing trace with hash -33415155, now seen corresponding path program 1 times [2021-08-25 21:44:31,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:31,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609414943] [2021-08-25 21:44:31,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:31,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-25 21:44:31,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:31,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609414943] [2021-08-25 21:44:31,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609414943] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:31,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:31,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:44:31,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126353366] [2021-08-25 21:44:31,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:31,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:31,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:31,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:31,448 INFO L87 Difference]: Start difference. First operand 7473 states and 8975 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 21:44:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:32,259 INFO L93 Difference]: Finished difference Result 14540 states and 17486 transitions. [2021-08-25 21:44:32,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:32,264 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 267 [2021-08-25 21:44:32,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:32,286 INFO L225 Difference]: With dead ends: 14540 [2021-08-25 21:44:32,286 INFO L226 Difference]: Without dead ends: 7069 [2021-08-25 21:44:32,295 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:32,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7069 states. [2021-08-25 21:44:32,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7069 to 7068. [2021-08-25 21:44:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7068 states, 7067 states have (on average 1.144757322767794) internal successors, (8090), 7067 states have internal predecessors, (8090), 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 21:44:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7068 states to 7068 states and 8090 transitions. [2021-08-25 21:44:32,430 INFO L78 Accepts]: Start accepts. Automaton has 7068 states and 8090 transitions. Word has length 267 [2021-08-25 21:44:32,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:32,431 INFO L470 AbstractCegarLoop]: Abstraction has 7068 states and 8090 transitions. [2021-08-25 21:44:32,432 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 21:44:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7068 states and 8090 transitions. [2021-08-25 21:44:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-08-25 21:44:32,437 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:32,437 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:32,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 21:44:32,437 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:32,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:32,438 INFO L82 PathProgramCache]: Analyzing trace with hash 726597686, now seen corresponding path program 1 times [2021-08-25 21:44:32,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:32,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815307422] [2021-08-25 21:44:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:32,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:32,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:32,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815307422] [2021-08-25 21:44:32,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815307422] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:32,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:32,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:44:32,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370583204] [2021-08-25 21:44:32,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:44:32,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:32,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:44:32,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:44:32,590 INFO L87 Difference]: Start difference. First operand 7068 states and 8090 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 21:44:33,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:33,961 INFO L93 Difference]: Finished difference Result 18561 states and 21349 transitions. [2021-08-25 21:44:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:44:33,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 276 [2021-08-25 21:44:33,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:33,985 INFO L225 Difference]: With dead ends: 18561 [2021-08-25 21:44:33,986 INFO L226 Difference]: Without dead ends: 11495 [2021-08-25 21:44:33,994 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 21:44:34,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11495 states. [2021-08-25 21:44:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11495 to 10199. [2021-08-25 21:44:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10199 states, 10198 states have (on average 1.1447342616199254) internal successors, (11674), 10198 states have internal predecessors, (11674), 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 21:44:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 11674 transitions. [2021-08-25 21:44:34,149 INFO L78 Accepts]: Start accepts. Automaton has 10199 states and 11674 transitions. Word has length 276 [2021-08-25 21:44:34,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:34,150 INFO L470 AbstractCegarLoop]: Abstraction has 10199 states and 11674 transitions. [2021-08-25 21:44:34,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 21:44:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 10199 states and 11674 transitions. [2021-08-25 21:44:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-08-25 21:44:34,156 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:34,156 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:34,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 21:44:34,157 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:34,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1197973930, now seen corresponding path program 1 times [2021-08-25 21:44:34,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:34,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242560049] [2021-08-25 21:44:34,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:34,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 197 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:34,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:34,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242560049] [2021-08-25 21:44:34,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242560049] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:34,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389543482] [2021-08-25 21:44:34,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:34,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:34,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:34,389 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 21:44:34,408 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 21:44:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:34,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-25 21:44:34,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:44:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:36,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389543482] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:36,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:44:36,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-25 21:44:36,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674086398] [2021-08-25 21:44:36,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-25 21:44:36,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:36,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-25 21:44:36,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:44:36,983 INFO L87 Difference]: Start difference. First operand 10199 states and 11674 transitions. Second operand has 8 states, 8 states have (on average 44.125) internal successors, (353), 7 states have internal predecessors, (353), 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 21:44:38,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:38,937 INFO L93 Difference]: Finished difference Result 20886 states and 23907 transitions. [2021-08-25 21:44:38,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-25 21:44:38,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 44.125) internal successors, (353), 7 states have internal predecessors, (353), 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 278 [2021-08-25 21:44:38,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:38,957 INFO L225 Difference]: With dead ends: 20886 [2021-08-25 21:44:38,957 INFO L226 Difference]: Without dead ends: 10677 [2021-08-25 21:44:38,968 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 78.0ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-25 21:44:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10677 states. [2021-08-25 21:44:39,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10677 to 9993. [2021-08-25 21:44:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9993 states, 9992 states have (on average 1.1379103282626102) internal successors, (11370), 9992 states have internal predecessors, (11370), 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 21:44:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9993 states to 9993 states and 11370 transitions. [2021-08-25 21:44:39,106 INFO L78 Accepts]: Start accepts. Automaton has 9993 states and 11370 transitions. Word has length 278 [2021-08-25 21:44:39,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:39,107 INFO L470 AbstractCegarLoop]: Abstraction has 9993 states and 11370 transitions. [2021-08-25 21:44:39,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 44.125) internal successors, (353), 7 states have internal predecessors, (353), 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 21:44:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9993 states and 11370 transitions. [2021-08-25 21:44:39,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-08-25 21:44:39,113 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:39,113 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 21:44:39,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-08-25 21:44:39,328 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,SelfDestructingSolverStorable10 [2021-08-25 21:44:39,329 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:39,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:39,329 INFO L82 PathProgramCache]: Analyzing trace with hash 149761795, now seen corresponding path program 1 times [2021-08-25 21:44:39,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:39,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635199539] [2021-08-25 21:44:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:39,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:44:39,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:39,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635199539] [2021-08-25 21:44:39,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635199539] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:39,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:39,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:39,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311942822] [2021-08-25 21:44:39,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:39,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:39,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:39,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:39,433 INFO L87 Difference]: Start difference. First operand 9993 states and 11370 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 21:44:40,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:40,304 INFO L93 Difference]: Finished difference Result 19802 states and 22533 transitions. [2021-08-25 21:44:40,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:40,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 283 [2021-08-25 21:44:40,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:40,320 INFO L225 Difference]: With dead ends: 19802 [2021-08-25 21:44:40,320 INFO L226 Difference]: Without dead ends: 9811 [2021-08-25 21:44:40,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:40,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9811 states. [2021-08-25 21:44:40,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9811 to 9806. [2021-08-25 21:44:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9806 states, 9805 states have (on average 1.1169811320754717) internal successors, (10952), 9805 states have internal predecessors, (10952), 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 21:44:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9806 states to 9806 states and 10952 transitions. [2021-08-25 21:44:40,450 INFO L78 Accepts]: Start accepts. Automaton has 9806 states and 10952 transitions. Word has length 283 [2021-08-25 21:44:40,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:40,451 INFO L470 AbstractCegarLoop]: Abstraction has 9806 states and 10952 transitions. [2021-08-25 21:44:40,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 21:44:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 9806 states and 10952 transitions. [2021-08-25 21:44:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-08-25 21:44:40,458 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:40,458 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:40,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 21:44:40,459 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:40,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:40,459 INFO L82 PathProgramCache]: Analyzing trace with hash -927901590, now seen corresponding path program 1 times [2021-08-25 21:44:40,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:40,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268150531] [2021-08-25 21:44:40,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:40,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 179 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:40,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:40,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268150531] [2021-08-25 21:44:40,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268150531] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:40,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426904361] [2021-08-25 21:44:40,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:40,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:40,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:40,621 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 21:44:40,652 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 21:44:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:41,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:44:41,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:44:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:42,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426904361] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:42,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:44:42,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:44:42,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929940007] [2021-08-25 21:44:42,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:44:42,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:44:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:44:42,245 INFO L87 Difference]: Start difference. First operand 9806 states and 10952 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 21:44:43,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:43,168 INFO L93 Difference]: Finished difference Result 19798 states and 22102 transitions. [2021-08-25 21:44:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:44:43,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 297 [2021-08-25 21:44:43,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:43,185 INFO L225 Difference]: With dead ends: 19798 [2021-08-25 21:44:43,185 INFO L226 Difference]: Without dead ends: 9994 [2021-08-25 21:44:43,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:44:43,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-08-25 21:44:43,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9806. [2021-08-25 21:44:43,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9806 states, 9805 states have (on average 1.115757266700663) internal successors, (10940), 9805 states have internal predecessors, (10940), 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 21:44:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9806 states to 9806 states and 10940 transitions. [2021-08-25 21:44:43,357 INFO L78 Accepts]: Start accepts. Automaton has 9806 states and 10940 transitions. Word has length 297 [2021-08-25 21:44:43,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:43,358 INFO L470 AbstractCegarLoop]: Abstraction has 9806 states and 10940 transitions. [2021-08-25 21:44:43,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 21:44:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 9806 states and 10940 transitions. [2021-08-25 21:44:43,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-08-25 21:44:43,370 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:43,370 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 21:44:43,401 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 21:44:43,590 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,SelfDestructingSolverStorable12 [2021-08-25 21:44:43,590 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:43,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:43,591 INFO L82 PathProgramCache]: Analyzing trace with hash 955474353, now seen corresponding path program 1 times [2021-08-25 21:44:43,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:43,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851863110] [2021-08-25 21:44:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:43,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 342 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:43,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:43,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851863110] [2021-08-25 21:44:43,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851863110] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:43,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797997663] [2021-08-25 21:44:43,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:43,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:43,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:43,753 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 21:44:43,781 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 21:44:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:44,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 21:44:44,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:44:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:44:45,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797997663] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:45,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:44:45,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-25 21:44:45,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552858172] [2021-08-25 21:44:45,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:45,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:45,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:45,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:44:45,439 INFO L87 Difference]: Start difference. First operand 9806 states and 10940 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 21:44:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:46,009 INFO L93 Difference]: Finished difference Result 19982 states and 22270 transitions. [2021-08-25 21:44:46,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:46,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 335 [2021-08-25 21:44:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:46,025 INFO L225 Difference]: With dead ends: 19982 [2021-08-25 21:44:46,026 INFO L226 Difference]: Without dead ends: 9994 [2021-08-25 21:44:46,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:44:46,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2021-08-25 21:44:46,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9622. [2021-08-25 21:44:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9622 states, 9621 states have (on average 1.1147489865918303) internal successors, (10725), 9621 states have internal predecessors, (10725), 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 21:44:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9622 states to 9622 states and 10725 transitions. [2021-08-25 21:44:46,195 INFO L78 Accepts]: Start accepts. Automaton has 9622 states and 10725 transitions. Word has length 335 [2021-08-25 21:44:46,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:46,195 INFO L470 AbstractCegarLoop]: Abstraction has 9622 states and 10725 transitions. [2021-08-25 21:44:46,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 21:44:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 9622 states and 10725 transitions. [2021-08-25 21:44:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-08-25 21:44:46,205 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:46,205 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 21:44:46,234 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 21:44:46,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:46,432 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:46,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:46,432 INFO L82 PathProgramCache]: Analyzing trace with hash -2007425143, now seen corresponding path program 1 times [2021-08-25 21:44:46,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:46,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162243795] [2021-08-25 21:44:46,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:46,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 174 proven. 185 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-08-25 21:44:46,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:46,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162243795] [2021-08-25 21:44:46,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162243795] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:46,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789920565] [2021-08-25 21:44:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:46,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:46,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:46,677 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 21:44:46,678 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 21:44:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:47,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:44:47,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:44:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-08-25 21:44:48,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789920565] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:48,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:44:48,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-25 21:44:48,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810623093] [2021-08-25 21:44:48,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:44:48,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:48,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:44:48,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:44:48,563 INFO L87 Difference]: Start difference. First operand 9622 states and 10725 transitions. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 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 21:44:49,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:49,610 INFO L93 Difference]: Finished difference Result 19613 states and 21831 transitions. [2021-08-25 21:44:49,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:44:49,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 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 351 [2021-08-25 21:44:49,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:49,623 INFO L225 Difference]: With dead ends: 19613 [2021-08-25 21:44:49,623 INFO L226 Difference]: Without dead ends: 9993 [2021-08-25 21:44:49,631 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 56.7ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:44:49,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9993 states. [2021-08-25 21:44:49,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9993 to 9438. [2021-08-25 21:44:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 9437 states have (on average 1.1144431493059235) internal successors, (10517), 9437 states have internal predecessors, (10517), 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 21:44:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 10517 transitions. [2021-08-25 21:44:49,742 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 10517 transitions. Word has length 351 [2021-08-25 21:44:49,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:49,742 INFO L470 AbstractCegarLoop]: Abstraction has 9438 states and 10517 transitions. [2021-08-25 21:44:49,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 3 states have internal predecessors, (268), 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 21:44:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 10517 transitions. [2021-08-25 21:44:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-08-25 21:44:49,752 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:49,752 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:44:49,780 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 21:44:49,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-25 21:44:49,977 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:49,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2067820228, now seen corresponding path program 1 times [2021-08-25 21:44:49,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:49,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2219463] [2021-08-25 21:44:49,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:49,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-08-25 21:44:50,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:50,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2219463] [2021-08-25 21:44:50,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2219463] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:44:50,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:44:50,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:44:50,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722157265] [2021-08-25 21:44:50,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:44:50,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:50,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:44:50,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:50,088 INFO L87 Difference]: Start difference. First operand 9438 states and 10517 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 21:44:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:50,746 INFO L93 Difference]: Finished difference Result 21449 states and 23881 transitions. [2021-08-25 21:44:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:44:50,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 358 [2021-08-25 21:44:50,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:50,758 INFO L225 Difference]: With dead ends: 21449 [2021-08-25 21:44:50,759 INFO L226 Difference]: Without dead ends: 12013 [2021-08-25 21:44:50,763 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:44:50,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12013 states. [2021-08-25 21:44:50,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12013 to 9989. [2021-08-25 21:44:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9989 states, 9988 states have (on average 1.1154385262314779) internal successors, (11141), 9988 states have internal predecessors, (11141), 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 21:44:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9989 states to 9989 states and 11141 transitions. [2021-08-25 21:44:50,878 INFO L78 Accepts]: Start accepts. Automaton has 9989 states and 11141 transitions. Word has length 358 [2021-08-25 21:44:50,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:50,878 INFO L470 AbstractCegarLoop]: Abstraction has 9989 states and 11141 transitions. [2021-08-25 21:44:50,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 21:44:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 9989 states and 11141 transitions. [2021-08-25 21:44:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-08-25 21:44:50,887 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:50,888 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:44:50,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 21:44:50,888 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:50,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:50,889 INFO L82 PathProgramCache]: Analyzing trace with hash -199405277, now seen corresponding path program 1 times [2021-08-25 21:44:50,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:50,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376469469] [2021-08-25 21:44:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:50,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:51,033 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:51,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:51,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376469469] [2021-08-25 21:44:51,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376469469] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:51,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948753788] [2021-08-25 21:44:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:51,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:51,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:51,037 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 21:44:51,063 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 21:44:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:51,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 21:44:51,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:44:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:52,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948753788] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:52,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:44:52,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-08-25 21:44:52,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968365720] [2021-08-25 21:44:52,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 21:44:52,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:44:52,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 21:44:52,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:44:52,921 INFO L87 Difference]: Start difference. First operand 9989 states and 11141 transitions. Second operand has 7 states, 7 states have (on average 61.0) internal successors, (427), 6 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 21:44:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:44:55,367 INFO L93 Difference]: Finished difference Result 33433 states and 37198 transitions. [2021-08-25 21:44:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 21:44:55,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 61.0) internal successors, (427), 6 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 362 [2021-08-25 21:44:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:44:55,390 INFO L225 Difference]: With dead ends: 33433 [2021-08-25 21:44:55,390 INFO L226 Difference]: Without dead ends: 23446 [2021-08-25 21:44:55,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 16.6ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:44:55,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23446 states. [2021-08-25 21:44:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23446 to 21599. [2021-08-25 21:44:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21599 states, 21598 states have (on average 1.1083433651264005) internal successors, (23938), 21598 states have internal predecessors, (23938), 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 21:44:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21599 states to 21599 states and 23938 transitions. [2021-08-25 21:44:55,725 INFO L78 Accepts]: Start accepts. Automaton has 21599 states and 23938 transitions. Word has length 362 [2021-08-25 21:44:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:44:55,725 INFO L470 AbstractCegarLoop]: Abstraction has 21599 states and 23938 transitions. [2021-08-25 21:44:55,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 61.0) internal successors, (427), 6 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 21:44:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 21599 states and 23938 transitions. [2021-08-25 21:44:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-08-25 21:44:55,741 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:44:55,741 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-25 21:44:55,771 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 21:44:55,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-25 21:44:55,971 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:44:55,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:44:55,971 INFO L82 PathProgramCache]: Analyzing trace with hash -664639836, now seen corresponding path program 1 times [2021-08-25 21:44:55,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:44:55,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998533487] [2021-08-25 21:44:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:55,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:44:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 370 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:44:56,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:44:56,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998533487] [2021-08-25 21:44:56,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998533487] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:44:56,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433925414] [2021-08-25 21:44:56,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:44:56,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:44:56,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:44:56,133 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 21:44:56,135 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 21:44:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:44:56,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-25 21:44:56,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 185 proven. 179 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:45:02,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433925414] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:02,380 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:45:02,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2021-08-25 21:45:02,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243120304] [2021-08-25 21:45:02,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 21:45:02,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:02,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 21:45:02,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:02,383 INFO L87 Difference]: Start difference. First operand 21599 states and 23938 transitions. Second operand has 7 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 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 21:45:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:06,303 INFO L93 Difference]: Finished difference Result 47995 states and 53278 transitions. [2021-08-25 21:45:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-25 21:45:06,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 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 373 [2021-08-25 21:45:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:06,330 INFO L225 Difference]: With dead ends: 47995 [2021-08-25 21:45:06,330 INFO L226 Difference]: Without dead ends: 25846 [2021-08-25 21:45:06,337 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2110.4ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-08-25 21:45:06,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25846 states. [2021-08-25 21:45:06,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25846 to 23989. [2021-08-25 21:45:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23989 states, 23988 states have (on average 1.1039686509921627) internal successors, (26482), 23988 states have internal predecessors, (26482), 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 21:45:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23989 states to 23989 states and 26482 transitions. [2021-08-25 21:45:06,605 INFO L78 Accepts]: Start accepts. Automaton has 23989 states and 26482 transitions. Word has length 373 [2021-08-25 21:45:06,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:06,605 INFO L470 AbstractCegarLoop]: Abstraction has 23989 states and 26482 transitions. [2021-08-25 21:45:06,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 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 21:45:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 23989 states and 26482 transitions. [2021-08-25 21:45:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-08-25 21:45:06,623 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:06,624 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 21:45:06,652 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 21:45:06,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-25 21:45:06,837 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:06,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:06,837 INFO L82 PathProgramCache]: Analyzing trace with hash -576802177, now seen corresponding path program 1 times [2021-08-25 21:45:06,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:06,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517298040] [2021-08-25 21:45:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:06,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-08-25 21:45:06,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:06,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517298040] [2021-08-25 21:45:06,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517298040] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:06,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:06,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:06,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798918973] [2021-08-25 21:45:06,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:06,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:06,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:06,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:06,973 INFO L87 Difference]: Start difference. First operand 23989 states and 26482 transitions. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 3 states have internal predecessors, (306), 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 21:45:08,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:08,402 INFO L93 Difference]: Finished difference Result 56458 states and 62414 transitions. [2021-08-25 21:45:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:08,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 3 states have internal predecessors, (306), 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 416 [2021-08-25 21:45:08,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:08,438 INFO L225 Difference]: With dead ends: 56458 [2021-08-25 21:45:08,438 INFO L226 Difference]: Without dead ends: 32839 [2021-08-25 21:45:08,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:08,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32839 states. [2021-08-25 21:45:08,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32839 to 32835. [2021-08-25 21:45:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32835 states, 32834 states have (on average 1.1037339343363586) internal successors, (36240), 32834 states have internal predecessors, (36240), 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 21:45:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32835 states to 32835 states and 36240 transitions. [2021-08-25 21:45:08,828 INFO L78 Accepts]: Start accepts. Automaton has 32835 states and 36240 transitions. Word has length 416 [2021-08-25 21:45:08,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:08,829 INFO L470 AbstractCegarLoop]: Abstraction has 32835 states and 36240 transitions. [2021-08-25 21:45:08,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 3 states have internal predecessors, (306), 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 21:45:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32835 states and 36240 transitions. [2021-08-25 21:45:08,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-08-25 21:45:08,846 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:08,846 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, 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, 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, 1] [2021-08-25 21:45:08,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 21:45:08,846 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:08,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:08,847 INFO L82 PathProgramCache]: Analyzing trace with hash -641824913, now seen corresponding path program 1 times [2021-08-25 21:45:08,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:08,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663729693] [2021-08-25 21:45:08,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:08,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 292 proven. 209 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-08-25 21:45:09,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:09,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663729693] [2021-08-25 21:45:09,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663729693] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:09,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063325114] [2021-08-25 21:45:09,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:09,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:09,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:09,070 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 21:45:09,079 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 21:45:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:10,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:45:10,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 501 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-08-25 21:45:11,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063325114] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:11,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:11,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-25 21:45:11,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869519142] [2021-08-25 21:45:11,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:11,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:11,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:11,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:45:11,417 INFO L87 Difference]: Start difference. First operand 32835 states and 36240 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 21:45:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:12,174 INFO L93 Difference]: Finished difference Result 65300 states and 72024 transitions. [2021-08-25 21:45:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:12,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 431 [2021-08-25 21:45:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:12,210 INFO L225 Difference]: With dead ends: 65300 [2021-08-25 21:45:12,210 INFO L226 Difference]: Without dead ends: 35415 [2021-08-25 21:45:12,227 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 50.4ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:45:12,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35415 states. [2021-08-25 21:45:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35415 to 31731. [2021-08-25 21:45:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31731 states, 31730 states have (on average 1.1038764576110935) internal successors, (35026), 31730 states have internal predecessors, (35026), 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 21:45:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31731 states to 31731 states and 35026 transitions. [2021-08-25 21:45:12,593 INFO L78 Accepts]: Start accepts. Automaton has 31731 states and 35026 transitions. Word has length 431 [2021-08-25 21:45:12,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:12,593 INFO L470 AbstractCegarLoop]: Abstraction has 31731 states and 35026 transitions. [2021-08-25 21:45:12,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 21:45:12,594 INFO L276 IsEmpty]: Start isEmpty. Operand 31731 states and 35026 transitions. [2021-08-25 21:45:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-08-25 21:45:12,609 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:12,609 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-25 21:45:12,630 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 21:45:12,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:12,810 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:12,811 INFO L82 PathProgramCache]: Analyzing trace with hash -943127599, now seen corresponding path program 1 times [2021-08-25 21:45:12,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:12,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165241336] [2021-08-25 21:45:12,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:12,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-25 21:45:12,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:12,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165241336] [2021-08-25 21:45:12,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165241336] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:12,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:12,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:12,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242367695] [2021-08-25 21:45:12,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:12,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:12,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:12,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:12,930 INFO L87 Difference]: Start difference. First operand 31731 states and 35026 transitions. Second operand has 4 states, 4 states have (on average 93.75) internal successors, (375), 3 states have internal predecessors, (375), 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 21:45:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:14,152 INFO L93 Difference]: Finished difference Result 63102 states and 69702 transitions. [2021-08-25 21:45:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:14,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.75) internal successors, (375), 3 states have internal predecessors, (375), 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 436 [2021-08-25 21:45:14,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:14,196 INFO L225 Difference]: With dead ends: 63102 [2021-08-25 21:45:14,197 INFO L226 Difference]: Without dead ends: 33585 [2021-08-25 21:45:14,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33585 states. [2021-08-25 21:45:14,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33585 to 32099. [2021-08-25 21:45:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32099 states, 32098 states have (on average 1.1030905352358402) internal successors, (35407), 32098 states have internal predecessors, (35407), 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 21:45:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32099 states to 32099 states and 35407 transitions. [2021-08-25 21:45:14,558 INFO L78 Accepts]: Start accepts. Automaton has 32099 states and 35407 transitions. Word has length 436 [2021-08-25 21:45:14,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:14,558 INFO L470 AbstractCegarLoop]: Abstraction has 32099 states and 35407 transitions. [2021-08-25 21:45:14,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.75) internal successors, (375), 3 states have internal predecessors, (375), 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 21:45:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32099 states and 35407 transitions. [2021-08-25 21:45:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-08-25 21:45:14,574 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:14,574 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 21:45:14,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 21:45:14,575 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:14,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:14,575 INFO L82 PathProgramCache]: Analyzing trace with hash -893616509, now seen corresponding path program 1 times [2021-08-25 21:45:14,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:14,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924783227] [2021-08-25 21:45:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:14,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 11 proven. 174 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-08-25 21:45:14,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:14,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924783227] [2021-08-25 21:45:14,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924783227] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:14,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384630969] [2021-08-25 21:45:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:14,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:14,829 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 21:45:14,856 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 21:45:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:16,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:45:16,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-08-25 21:45:17,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384630969] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:17,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:17,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:45:17,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834843939] [2021-08-25 21:45:17,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:17,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:17,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:17,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:45:17,089 INFO L87 Difference]: Start difference. First operand 32099 states and 35407 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 21:45:17,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:17,895 INFO L93 Difference]: Finished difference Result 65663 states and 72386 transitions. [2021-08-25 21:45:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:17,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 459 [2021-08-25 21:45:17,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:17,942 INFO L225 Difference]: With dead ends: 65663 [2021-08-25 21:45:17,942 INFO L226 Difference]: Without dead ends: 33750 [2021-08-25 21:45:17,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:45:17,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33750 states. [2021-08-25 21:45:18,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33750 to 30803. [2021-08-25 21:45:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30803 states, 30802 states have (on average 1.1009999350691513) internal successors, (33913), 30802 states have internal predecessors, (33913), 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 21:45:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30803 states to 30803 states and 33913 transitions. [2021-08-25 21:45:18,282 INFO L78 Accepts]: Start accepts. Automaton has 30803 states and 33913 transitions. Word has length 459 [2021-08-25 21:45:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:18,282 INFO L470 AbstractCegarLoop]: Abstraction has 30803 states and 33913 transitions. [2021-08-25 21:45:18,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 21:45:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 30803 states and 33913 transitions. [2021-08-25 21:45:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-08-25 21:45:18,300 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:18,301 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:45:18,324 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 21:45:18,506 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,SelfDestructingSolverStorable21 [2021-08-25 21:45:18,506 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:18,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:18,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1305459429, now seen corresponding path program 1 times [2021-08-25 21:45:18,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:18,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005138616] [2021-08-25 21:45:18,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:18,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:45:18,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:18,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005138616] [2021-08-25 21:45:18,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005138616] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:18,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:18,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 21:45:18,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944311691] [2021-08-25 21:45:18,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 21:45:18,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:18,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 21:45:18,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:18,666 INFO L87 Difference]: Start difference. First operand 30803 states and 33913 transitions. Second operand has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 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 21:45:20,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:20,311 INFO L93 Difference]: Finished difference Result 64370 states and 70798 transitions. [2021-08-25 21:45:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 21:45:20,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 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 459 [2021-08-25 21:45:20,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:20,353 INFO L225 Difference]: With dead ends: 64370 [2021-08-25 21:45:20,353 INFO L226 Difference]: Without dead ends: 36517 [2021-08-25 21:45:20,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:20,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36517 states. [2021-08-25 21:45:20,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36517 to 28779. [2021-08-25 21:45:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28779 states, 28778 states have (on average 1.0953853638195845) internal successors, (31523), 28778 states have internal predecessors, (31523), 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 21:45:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28779 states to 28779 states and 31523 transitions. [2021-08-25 21:45:20,713 INFO L78 Accepts]: Start accepts. Automaton has 28779 states and 31523 transitions. Word has length 459 [2021-08-25 21:45:20,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:20,713 INFO L470 AbstractCegarLoop]: Abstraction has 28779 states and 31523 transitions. [2021-08-25 21:45:20,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 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 21:45:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 28779 states and 31523 transitions. [2021-08-25 21:45:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-08-25 21:45:20,731 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:20,732 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:45:20,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-25 21:45:20,732 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:20,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:20,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1243112463, now seen corresponding path program 1 times [2021-08-25 21:45:20,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:20,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186941585] [2021-08-25 21:45:20,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:20,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 185 proven. 226 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-08-25 21:45:20,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:20,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186941585] [2021-08-25 21:45:20,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186941585] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:20,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664683169] [2021-08-25 21:45:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:20,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:20,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:20,885 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 21:45:20,913 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 21:45:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:22,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:45:22,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-25 21:45:23,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664683169] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:23,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:23,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:45:23,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970589612] [2021-08-25 21:45:23,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:23,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:23,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:23,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:23,317 INFO L87 Difference]: Start difference. First operand 28779 states and 31523 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 21:45:24,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:24,655 INFO L93 Difference]: Finished difference Result 66764 states and 73205 transitions. [2021-08-25 21:45:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:24,656 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 462 [2021-08-25 21:45:24,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:24,698 INFO L225 Difference]: With dead ends: 66764 [2021-08-25 21:45:24,698 INFO L226 Difference]: Without dead ends: 38171 [2021-08-25 21:45:24,720 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:24,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38171 states. [2021-08-25 21:45:25,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38171 to 31910. [2021-08-25 21:45:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31910 states, 31909 states have (on average 1.095396283180294) internal successors, (34953), 31909 states have internal predecessors, (34953), 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 21:45:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31910 states to 31910 states and 34953 transitions. [2021-08-25 21:45:25,100 INFO L78 Accepts]: Start accepts. Automaton has 31910 states and 34953 transitions. Word has length 462 [2021-08-25 21:45:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:25,101 INFO L470 AbstractCegarLoop]: Abstraction has 31910 states and 34953 transitions. [2021-08-25 21:45:25,101 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 21:45:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 31910 states and 34953 transitions. [2021-08-25 21:45:25,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-08-25 21:45:25,117 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:25,117 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:45:25,141 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 21:45:25,318 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,SelfDestructingSolverStorable23 [2021-08-25 21:45:25,320 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:25,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1102163475, now seen corresponding path program 1 times [2021-08-25 21:45:25,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:25,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147290807] [2021-08-25 21:45:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:25,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 185 proven. 252 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-08-25 21:45:25,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:25,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147290807] [2021-08-25 21:45:25,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147290807] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:25,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712443107] [2021-08-25 21:45:25,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:25,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:25,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:25,481 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 21:45:25,483 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 21:45:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:27,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 21:45:27,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 185 proven. 252 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-08-25 21:45:28,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712443107] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:28,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:45:28,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-08-25 21:45:28,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318232211] [2021-08-25 21:45:28,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 21:45:28,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:28,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 21:45:28,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:28,437 INFO L87 Difference]: Start difference. First operand 31910 states and 34953 transitions. Second operand has 7 states, 7 states have (on average 69.0) internal successors, (483), 6 states have internal predecessors, (483), 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 21:45:30,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:30,675 INFO L93 Difference]: Finished difference Result 72119 states and 78982 transitions. [2021-08-25 21:45:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 21:45:30,675 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 69.0) internal successors, (483), 6 states have internal predecessors, (483), 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 500 [2021-08-25 21:45:30,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:30,718 INFO L225 Difference]: With dead ends: 72119 [2021-08-25 21:45:30,718 INFO L226 Difference]: Without dead ends: 42607 [2021-08-25 21:45:30,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 17.5ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:45:30,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42607 states. [2021-08-25 21:45:31,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42607 to 31910. [2021-08-25 21:45:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31910 states, 31909 states have (on average 1.095396283180294) internal successors, (34953), 31909 states have internal predecessors, (34953), 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 21:45:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31910 states to 31910 states and 34953 transitions. [2021-08-25 21:45:31,091 INFO L78 Accepts]: Start accepts. Automaton has 31910 states and 34953 transitions. Word has length 500 [2021-08-25 21:45:31,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:31,091 INFO L470 AbstractCegarLoop]: Abstraction has 31910 states and 34953 transitions. [2021-08-25 21:45:31,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.0) internal successors, (483), 6 states have internal predecessors, (483), 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 21:45:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 31910 states and 34953 transitions. [2021-08-25 21:45:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2021-08-25 21:45:31,108 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:31,108 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:45:31,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-25 21:45:31,308 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,SelfDestructingSolverStorable24 [2021-08-25 21:45:31,309 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:31,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:31,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1536947047, now seen corresponding path program 1 times [2021-08-25 21:45:31,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:31,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116750254] [2021-08-25 21:45:31,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:31,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 606 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-08-25 21:45:31,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:31,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116750254] [2021-08-25 21:45:31,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116750254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:31,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:31,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:31,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305262027] [2021-08-25 21:45:31,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:31,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:31,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:31,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:31,424 INFO L87 Difference]: Start difference. First operand 31910 states and 34953 transitions. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 21:45:32,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:32,222 INFO L93 Difference]: Finished difference Result 63262 states and 69287 transitions. [2021-08-25 21:45:32,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:32,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 21:45:32,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:32,257 INFO L225 Difference]: With dead ends: 63262 [2021-08-25 21:45:32,257 INFO L226 Difference]: Without dead ends: 32644 [2021-08-25 21:45:32,275 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:32,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32644 states. [2021-08-25 21:45:32,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32644 to 31908. [2021-08-25 21:45:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31908 states, 31907 states have (on average 1.0862193249130285) internal successors, (34658), 31907 states have internal predecessors, (34658), 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 21:45:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31908 states to 31908 states and 34658 transitions. [2021-08-25 21:45:32,697 INFO L78 Accepts]: Start accepts. Automaton has 31908 states and 34658 transitions. Word has length 511 [2021-08-25 21:45:32,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:32,697 INFO L470 AbstractCegarLoop]: Abstraction has 31908 states and 34658 transitions. [2021-08-25 21:45:32,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 21:45:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 31908 states and 34658 transitions. [2021-08-25 21:45:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-08-25 21:45:32,715 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:32,716 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:32,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-25 21:45:32,716 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:32,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:32,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1740531119, now seen corresponding path program 1 times [2021-08-25 21:45:32,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:32,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523254205] [2021-08-25 21:45:32,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:32,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 745 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-08-25 21:45:32,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:32,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523254205] [2021-08-25 21:45:32,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523254205] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:32,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:32,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 21:45:32,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118658427] [2021-08-25 21:45:32,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 21:45:32,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:32,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 21:45:32,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:32,898 INFO L87 Difference]: Start difference. First operand 31908 states and 34658 transitions. Second operand has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 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 21:45:34,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:34,287 INFO L93 Difference]: Finished difference Result 64553 states and 70066 transitions. [2021-08-25 21:45:34,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 21:45:34,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 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 548 [2021-08-25 21:45:34,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:34,322 INFO L225 Difference]: With dead ends: 64553 [2021-08-25 21:45:34,322 INFO L226 Difference]: Without dead ends: 35043 [2021-08-25 21:45:34,343 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:34,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35043 states. [2021-08-25 21:45:34,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35043 to 30068. [2021-08-25 21:45:34,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30068 states, 30067 states have (on average 1.0866398376958126) internal successors, (32672), 30067 states have internal predecessors, (32672), 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 21:45:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30068 states to 30068 states and 32672 transitions. [2021-08-25 21:45:34,829 INFO L78 Accepts]: Start accepts. Automaton has 30068 states and 32672 transitions. Word has length 548 [2021-08-25 21:45:34,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:34,830 INFO L470 AbstractCegarLoop]: Abstraction has 30068 states and 32672 transitions. [2021-08-25 21:45:34,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 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 21:45:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 30068 states and 32672 transitions. [2021-08-25 21:45:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2021-08-25 21:45:34,849 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:34,849 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 21:45:34,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-25 21:45:34,850 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:34,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:34,850 INFO L82 PathProgramCache]: Analyzing trace with hash 302455522, now seen corresponding path program 1 times [2021-08-25 21:45:34,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:34,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936845094] [2021-08-25 21:45:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:34,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 360 proven. 142 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-08-25 21:45:35,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:35,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936845094] [2021-08-25 21:45:35,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936845094] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:35,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581900479] [2021-08-25 21:45:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:35,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:35,129 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 21:45:35,130 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 21:45:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:36,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 21:45:36,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 185 proven. 317 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-08-25 21:45:38,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581900479] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:38,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:45:38,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2021-08-25 21:45:38,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318451352] [2021-08-25 21:45:38,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-25 21:45:38,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:38,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-25 21:45:38,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:45:38,798 INFO L87 Difference]: Start difference. First operand 30068 states and 32672 transitions. Second operand has 8 states, 8 states have (on average 92.875) internal successors, (743), 7 states have internal predecessors, (743), 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 21:45:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:40,683 INFO L93 Difference]: Finished difference Result 59484 states and 64607 transitions. [2021-08-25 21:45:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-25 21:45:40,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 92.875) internal successors, (743), 7 states have internal predecessors, (743), 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 553 [2021-08-25 21:45:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:40,718 INFO L225 Difference]: With dead ends: 59484 [2021-08-25 21:45:40,718 INFO L226 Difference]: Without dead ends: 31628 [2021-08-25 21:45:40,734 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 295.2ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-08-25 21:45:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31628 states. [2021-08-25 21:45:41,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31628 to 30250. [2021-08-25 21:45:41,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30250 states, 30249 states have (on average 1.0852590168270027) internal successors, (32828), 30249 states have internal predecessors, (32828), 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 21:45:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30250 states to 30250 states and 32828 transitions. [2021-08-25 21:45:41,137 INFO L78 Accepts]: Start accepts. Automaton has 30250 states and 32828 transitions. Word has length 553 [2021-08-25 21:45:41,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:41,137 INFO L470 AbstractCegarLoop]: Abstraction has 30250 states and 32828 transitions. [2021-08-25 21:45:41,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 92.875) internal successors, (743), 7 states have internal predecessors, (743), 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 21:45:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30250 states and 32828 transitions. [2021-08-25 21:45:41,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-08-25 21:45:41,155 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:41,155 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:45:41,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-25 21:45:41,355 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,SelfDestructingSolverStorable27 [2021-08-25 21:45:41,356 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:41,360 INFO L82 PathProgramCache]: Analyzing trace with hash -539340861, now seen corresponding path program 1 times [2021-08-25 21:45:41,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:41,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081988536] [2021-08-25 21:45:41,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:41,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-08-25 21:45:41,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:41,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081988536] [2021-08-25 21:45:41,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081988536] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:41,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:41,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:41,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724250628] [2021-08-25 21:45:41,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:41,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:41,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:41,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:41,509 INFO L87 Difference]: Start difference. First operand 30250 states and 32828 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 21:45:42,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:42,219 INFO L93 Difference]: Finished difference Result 58470 states and 63470 transitions. [2021-08-25 21:45:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:42,219 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 554 [2021-08-25 21:45:42,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:42,249 INFO L225 Difference]: With dead ends: 58470 [2021-08-25 21:45:42,249 INFO L226 Difference]: Without dead ends: 30434 [2021-08-25 21:45:42,267 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 21:45:42,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30434 states. [2021-08-25 21:45:42,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30434 to 30250. [2021-08-25 21:45:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30250 states, 30249 states have (on average 1.0839697180072068) internal successors, (32789), 30249 states have internal predecessors, (32789), 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 21:45:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30250 states to 30250 states and 32789 transitions. [2021-08-25 21:45:42,561 INFO L78 Accepts]: Start accepts. Automaton has 30250 states and 32789 transitions. Word has length 554 [2021-08-25 21:45:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:42,561 INFO L470 AbstractCegarLoop]: Abstraction has 30250 states and 32789 transitions. [2021-08-25 21:45:42,561 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 21:45:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 30250 states and 32789 transitions. [2021-08-25 21:45:42,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2021-08-25 21:45:42,579 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:42,579 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, 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, 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, 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] [2021-08-25 21:45:42,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-25 21:45:42,579 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 15174169, now seen corresponding path program 1 times [2021-08-25 21:45:42,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:42,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929517741] [2021-08-25 21:45:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:42,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 613 proven. 216 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-25 21:45:42,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:42,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929517741] [2021-08-25 21:45:42,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929517741] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:42,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696405195] [2021-08-25 21:45:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:42,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:42,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:42,733 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 21:45:42,734 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 21:45:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:44,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:45:44,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-08-25 21:45:46,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696405195] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:46,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:45:46,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-25 21:45:46,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82412470] [2021-08-25 21:45:46,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:46,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:46,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:46,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:46,055 INFO L87 Difference]: Start difference. First operand 30250 states and 32789 transitions. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 21:45:46,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:46,829 INFO L93 Difference]: Finished difference Result 58853 states and 63824 transitions. [2021-08-25 21:45:46,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:45:46,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 579 [2021-08-25 21:45:46,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:46,875 INFO L225 Difference]: With dead ends: 58853 [2021-08-25 21:45:46,875 INFO L226 Difference]: Without dead ends: 31001 [2021-08-25 21:45:46,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31001 states. [2021-08-25 21:45:47,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31001 to 30072. [2021-08-25 21:45:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30072 states, 30071 states have (on average 1.0831698313990223) internal successors, (32572), 30071 states have internal predecessors, (32572), 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 21:45:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30072 states to 30072 states and 32572 transitions. [2021-08-25 21:45:47,290 INFO L78 Accepts]: Start accepts. Automaton has 30072 states and 32572 transitions. Word has length 579 [2021-08-25 21:45:47,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:47,290 INFO L470 AbstractCegarLoop]: Abstraction has 30072 states and 32572 transitions. [2021-08-25 21:45:47,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 21:45:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 30072 states and 32572 transitions. [2021-08-25 21:45:47,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2021-08-25 21:45:47,311 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:47,311 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 21:45:47,334 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 21:45:47,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:47,512 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:47,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2009432298, now seen corresponding path program 1 times [2021-08-25 21:45:47,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:47,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916013070] [2021-08-25 21:45:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:47,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 62 proven. 460 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-08-25 21:45:47,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:47,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916013070] [2021-08-25 21:45:47,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916013070] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:47,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601278497] [2021-08-25 21:45:47,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:47,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:45:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:45:47,720 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 21:45:47,722 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 21:45:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:49,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-25 21:45:49,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:45:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 62 proven. 460 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-08-25 21:45:51,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601278497] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:45:51,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:45:51,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-08-25 21:45:51,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398340555] [2021-08-25 21:45:51,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 21:45:51,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:51,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 21:45:51,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-25 21:45:51,549 INFO L87 Difference]: Start difference. First operand 30072 states and 32572 transitions. Second operand has 9 states, 9 states have (on average 93.22222222222223) internal successors, (839), 8 states have internal predecessors, (839), 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 21:45:54,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:54,010 INFO L93 Difference]: Finished difference Result 75081 states and 81300 transitions. [2021-08-25 21:45:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-25 21:45:54,010 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 93.22222222222223) internal successors, (839), 8 states have internal predecessors, (839), 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 588 [2021-08-25 21:45:54,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:54,057 INFO L225 Difference]: With dead ends: 75081 [2021-08-25 21:45:54,057 INFO L226 Difference]: Without dead ends: 47223 [2021-08-25 21:45:54,077 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 37.0ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-25 21:45:54,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47223 states. [2021-08-25 21:45:54,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47223 to 43906. [2021-08-25 21:45:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43906 states, 43905 states have (on average 1.0828151691151349) internal successors, (47541), 43905 states have internal predecessors, (47541), 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 21:45:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43906 states to 43906 states and 47541 transitions. [2021-08-25 21:45:54,539 INFO L78 Accepts]: Start accepts. Automaton has 43906 states and 47541 transitions. Word has length 588 [2021-08-25 21:45:54,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:54,540 INFO L470 AbstractCegarLoop]: Abstraction has 43906 states and 47541 transitions. [2021-08-25 21:45:54,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 93.22222222222223) internal successors, (839), 8 states have internal predecessors, (839), 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 21:45:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 43906 states and 47541 transitions. [2021-08-25 21:45:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2021-08-25 21:45:54,652 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:54,653 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 21:45:54,680 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 21:45:54,861 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,SelfDestructingSolverStorable30 [2021-08-25 21:45:54,861 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:54,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:54,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1068909847, now seen corresponding path program 1 times [2021-08-25 21:45:54,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:54,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185594877] [2021-08-25 21:45:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:54,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:54,998 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 595 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-08-25 21:45:54,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:54,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185594877] [2021-08-25 21:45:54,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185594877] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:54,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:54,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:54,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233121898] [2021-08-25 21:45:54,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:45:54,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:54,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:45:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:55,000 INFO L87 Difference]: Start difference. First operand 43906 states and 47541 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 21:45:56,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:56,241 INFO L93 Difference]: Finished difference Result 97210 states and 105305 transitions. [2021-08-25 21:45:56,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:45:56,241 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 609 [2021-08-25 21:45:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:56,299 INFO L225 Difference]: With dead ends: 97210 [2021-08-25 21:45:56,299 INFO L226 Difference]: Without dead ends: 53489 [2021-08-25 21:45:56,330 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:45:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53489 states. [2021-08-25 21:45:56,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53489 to 49055. [2021-08-25 21:45:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49055 states, 49054 states have (on average 1.068394014759245) internal successors, (52409), 49054 states have internal predecessors, (52409), 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 21:45:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49055 states to 49055 states and 52409 transitions. [2021-08-25 21:45:56,841 INFO L78 Accepts]: Start accepts. Automaton has 49055 states and 52409 transitions. Word has length 609 [2021-08-25 21:45:56,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:56,841 INFO L470 AbstractCegarLoop]: Abstraction has 49055 states and 52409 transitions. [2021-08-25 21:45:56,843 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 21:45:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 49055 states and 52409 transitions. [2021-08-25 21:45:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2021-08-25 21:45:56,872 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:56,873 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-25 21:45:56,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-08-25 21:45:56,873 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:56,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:56,873 INFO L82 PathProgramCache]: Analyzing trace with hash -779065269, now seen corresponding path program 1 times [2021-08-25 21:45:56,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:56,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020078864] [2021-08-25 21:45:56,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:56,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 676 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2021-08-25 21:45:57,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:57,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020078864] [2021-08-25 21:45:57,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020078864] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:57,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:57,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-25 21:45:57,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135130252] [2021-08-25 21:45:57,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-25 21:45:57,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-25 21:45:57,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:57,058 INFO L87 Difference]: Start difference. First operand 49055 states and 52409 transitions. Second operand has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 21:45:58,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:45:58,677 INFO L93 Difference]: Finished difference Result 70816 states and 75661 transitions. [2021-08-25 21:45:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 21:45:58,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 667 [2021-08-25 21:45:58,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:45:58,748 INFO L225 Difference]: With dead ends: 70816 [2021-08-25 21:45:58,748 INFO L226 Difference]: Without dead ends: 70814 [2021-08-25 21:45:58,762 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-25 21:45:58,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70814 states. [2021-08-25 21:45:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70814 to 59379. [2021-08-25 21:45:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59379 states, 59378 states have (on average 1.0687291589477583) internal successors, (63459), 59378 states have internal predecessors, (63459), 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 21:45:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59379 states to 59379 states and 63459 transitions. [2021-08-25 21:45:59,412 INFO L78 Accepts]: Start accepts. Automaton has 59379 states and 63459 transitions. Word has length 667 [2021-08-25 21:45:59,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:45:59,413 INFO L470 AbstractCegarLoop]: Abstraction has 59379 states and 63459 transitions. [2021-08-25 21:45:59,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 21:45:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 59379 states and 63459 transitions. [2021-08-25 21:45:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2021-08-25 21:45:59,441 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:45:59,441 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, 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, 6, 6, 6, 6, 6, 6, 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 21:45:59,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-08-25 21:45:59,442 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:45:59,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:45:59,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1707577868, now seen corresponding path program 1 times [2021-08-25 21:45:59,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:45:59,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599213139] [2021-08-25 21:45:59,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:45:59,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:45:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:45:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 972 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-08-25 21:45:59,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:45:59,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599213139] [2021-08-25 21:45:59,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599213139] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:45:59,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:45:59,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:45:59,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562397075] [2021-08-25 21:45:59,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:45:59,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:45:59,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:45:59,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:45:59,615 INFO L87 Difference]: Start difference. First operand 59379 states and 63459 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 21:46:00,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:00,556 INFO L93 Difference]: Finished difference Result 120038 states and 128293 transitions. [2021-08-25 21:46:00,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:00,557 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 686 [2021-08-25 21:46:00,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:00,623 INFO L225 Difference]: With dead ends: 120038 [2021-08-25 21:46:00,623 INFO L226 Difference]: Without dead ends: 60845 [2021-08-25 21:46:00,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:00,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60845 states. [2021-08-25 21:46:01,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60845 to 39657. [2021-08-25 21:46:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39657 states, 39656 states have (on average 1.062235222917087) internal successors, (42124), 39656 states have internal predecessors, (42124), 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 21:46:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39657 states to 39657 states and 42124 transitions. [2021-08-25 21:46:01,312 INFO L78 Accepts]: Start accepts. Automaton has 39657 states and 42124 transitions. Word has length 686 [2021-08-25 21:46:01,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:01,312 INFO L470 AbstractCegarLoop]: Abstraction has 39657 states and 42124 transitions. [2021-08-25 21:46:01,312 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 21:46:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 39657 states and 42124 transitions. [2021-08-25 21:46:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2021-08-25 21:46:01,331 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:01,332 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 21:46:01,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-08-25 21:46:01,332 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:01,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:01,333 INFO L82 PathProgramCache]: Analyzing trace with hash -203478354, now seen corresponding path program 1 times [2021-08-25 21:46:01,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:01,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112932030] [2021-08-25 21:46:01,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:01,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 186 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:01,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:01,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112932030] [2021-08-25 21:46:01,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112932030] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:01,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227721659] [2021-08-25 21:46:01,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:01,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:01,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:01,543 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 21:46:01,544 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 21:46:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:04,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-25 21:46:04,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 62 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:06,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227721659] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:06,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:46:06,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-08-25 21:46:06,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763153709] [2021-08-25 21:46:06,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-25 21:46:06,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:06,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-25 21:46:06,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-08-25 21:46:06,109 INFO L87 Difference]: Start difference. First operand 39657 states and 42124 transitions. Second operand has 13 states, 13 states have (on average 108.38461538461539) internal successors, (1409), 12 states have internal predecessors, (1409), 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 21:46:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:10,325 INFO L93 Difference]: Finished difference Result 108829 states and 115532 transitions. [2021-08-25 21:46:10,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-25 21:46:10,326 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 108.38461538461539) internal successors, (1409), 12 states have internal predecessors, (1409), 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 705 [2021-08-25 21:46:10,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:10,399 INFO L225 Difference]: With dead ends: 108829 [2021-08-25 21:46:10,400 INFO L226 Difference]: Without dead ends: 70646 [2021-08-25 21:46:10,431 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 70.1ms TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-25 21:46:10,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70646 states. [2021-08-25 21:46:11,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70646 to 49437. [2021-08-25 21:46:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49437 states, 49436 states have (on average 1.062201634436443) internal successors, (52511), 49436 states have internal predecessors, (52511), 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 21:46:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49437 states to 49437 states and 52511 transitions. [2021-08-25 21:46:11,099 INFO L78 Accepts]: Start accepts. Automaton has 49437 states and 52511 transitions. Word has length 705 [2021-08-25 21:46:11,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:11,100 INFO L470 AbstractCegarLoop]: Abstraction has 49437 states and 52511 transitions. [2021-08-25 21:46:11,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 108.38461538461539) internal successors, (1409), 12 states have internal predecessors, (1409), 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 21:46:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 49437 states and 52511 transitions. [2021-08-25 21:46:11,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2021-08-25 21:46:11,129 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:11,129 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 21:46:11,156 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 21:46:11,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:11,333 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:11,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:11,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1456379088, now seen corresponding path program 1 times [2021-08-25 21:46:11,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:11,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132288625] [2021-08-25 21:46:11,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:11,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 772 proven. 231 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:46:11,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:11,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132288625] [2021-08-25 21:46:11,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132288625] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:11,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119485409] [2021-08-25 21:46:11,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:11,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:11,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:11,761 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:46:11,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-25 21:46:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:14,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 21:46:14,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:46:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 772 proven. 231 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:46:19,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119485409] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:46:19,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 21:46:19,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-08-25 21:46:19,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773617723] [2021-08-25 21:46:19,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-25 21:46:19,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:19,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-25 21:46:19,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-25 21:46:19,240 INFO L87 Difference]: Start difference. First operand 49437 states and 52511 transitions. Second operand has 10 states, 10 states have (on average 99.8) internal successors, (998), 10 states have internal predecessors, (998), 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 21:46:23,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:23,006 INFO L93 Difference]: Finished difference Result 137404 states and 145788 transitions. [2021-08-25 21:46:23,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 21:46:23,006 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 99.8) internal successors, (998), 10 states have internal predecessors, (998), 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 713 [2021-08-25 21:46:23,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:23,103 INFO L225 Difference]: With dead ends: 137404 [2021-08-25 21:46:23,103 INFO L226 Difference]: Without dead ends: 93867 [2021-08-25 21:46:23,138 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 713 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 68.0ms TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-08-25 21:46:23,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93867 states. [2021-08-25 21:46:24,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93867 to 64733. [2021-08-25 21:46:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64733 states, 64732 states have (on average 1.061190755731323) internal successors, (68693), 64732 states have internal predecessors, (68693), 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 21:46:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64733 states to 64733 states and 68693 transitions. [2021-08-25 21:46:24,136 INFO L78 Accepts]: Start accepts. Automaton has 64733 states and 68693 transitions. Word has length 713 [2021-08-25 21:46:24,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:24,137 INFO L470 AbstractCegarLoop]: Abstraction has 64733 states and 68693 transitions. [2021-08-25 21:46:24,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 99.8) internal successors, (998), 10 states have internal predecessors, (998), 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 21:46:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 64733 states and 68693 transitions. [2021-08-25 21:46:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2021-08-25 21:46:24,168 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:24,168 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, 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, 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, 4, 4, 4, 4, 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 21:46:24,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-25 21:46:24,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:46:24,369 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:24,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:24,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1943881599, now seen corresponding path program 1 times [2021-08-25 21:46:24,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:24,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103424751] [2021-08-25 21:46:24,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:24,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 800 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2021-08-25 21:46:24,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:24,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103424751] [2021-08-25 21:46:24,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103424751] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:24,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:24,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:46:24,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034546250] [2021-08-25 21:46:24,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:46:24,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:46:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:24,794 INFO L87 Difference]: Start difference. First operand 64733 states and 68693 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 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 21:46:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:26,381 INFO L93 Difference]: Finished difference Result 96083 states and 101915 transitions. [2021-08-25 21:46:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:46:26,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 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 740 [2021-08-25 21:46:26,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:26,382 INFO L225 Difference]: With dead ends: 96083 [2021-08-25 21:46:26,382 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 21:46:26,407 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 234.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:46:26,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 21:46:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 21:46:26,408 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 21:46:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 21:46:26,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 740 [2021-08-25 21:46:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:26,408 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 21:46:26,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 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 21:46:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 21:46:26,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 21:46:26,413 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 21:46:26,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-08-25 21:46:26,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 21:46:26,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:46:49,075 WARN L207 SmtUtils]: Spent 22.65 s on a formula simplification. DAG size of input: 3034 DAG size of output: 2306 [2021-08-25 21:46:49,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:11,379 WARN L207 SmtUtils]: Spent 22.29 s on a formula simplification. DAG size of input: 3031 DAG size of output: 2305 [2021-08-25 21:47:11,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:48,925 WARN L207 SmtUtils]: Spent 37.52 s on a formula simplification. DAG size of input: 2052 DAG size of output: 230 [2021-08-25 21:48:26,194 WARN L207 SmtUtils]: Spent 37.26 s on a formula simplification. DAG size of input: 2052 DAG size of output: 230 [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,205 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,206 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse39 (+ ~a23~0 43)) (.cse40 (+ ~a23~0 599772))) (let ((.cse19 (<= ~a29~0 140)) (.cse10 (<= 130 ~a29~0)) (.cse14 (= ~a25~0 12)) (.cse35 (<= 0 .cse40)) (.cse25 (<= ~a23~0 211)) (.cse12 (<= (+ ~a29~0 22) 0)) (.cse20 (= ~a25~0 11)) (.cse7 (<= 307 ~a23~0)) (.cse13 (<= ~a25~0 10)) (.cse2 (= ~a3~0 1)) (.cse30 (<= 214883 ~a29~0)) (.cse5 (= ~a8~0 15)) (.cse33 (< 0 .cse39)) (.cse3 (= ~a4~0 1))) (let ((.cse26 (<= (+ 275921 ~a29~0) 0)) (.cse31 (or .cse33 (<= 141 ~a29~0) .cse3 (not (= ULTIMATE.start_calculate_output_~input 1)))) (.cse4 (<= ~a23~0 312)) (.cse34 (or (and .cse20 .cse2 .cse3 .cse30 .cse5) (and .cse2 .cse3 .cse30 (<= ~a25~0 9) .cse5) (and .cse7 .cse13 .cse2 .cse3 .cse30 .cse5))) (.cse21 (<= ~a29~0 599999)) (.cse23 (<= 0 (+ ~a23~0 599899))) (.cse24 (<= .cse40 0)) (.cse32 (<= ~a29~0 243)) (.cse18 (<= 0 (+ ~a23~0 379604))) (.cse36 (exists ((aux_div_aux_mod_v_~a23~0_477_20_65 Int)) (and (<= ~a23~0 (+ 180 (mod (* aux_div_aux_mod_v_~a23~0_477_20_65 4) 83))) (< 61 aux_div_aux_mod_v_~a23~0_477_20_65)))) (.cse6 (= ~a25~0 13)) (.cse15 (<= ~a29~0 99920)) (.cse38 (<= ~a29~0 220)) (.cse9 (<= ~a29~0 275)) (.cse8 (<= ~a23~0 859790)) (.cse16 (<= 246 ~a29~0)) (.cse17 (or (and .cse35 .cse25 .cse19 .cse13 .cse2 .cse3 .cse5 .cse10) (and .cse14 .cse35 .cse25 .cse12 .cse2 .cse3 .cse5))) (.cse22 (<= 260 ~a29~0)) (.cse28 (<= .cse39 0)) (.cse11 (= ~a4~0 0)) (.cse29 (<= 0 (+ 599894 ~a23~0))) (.cse0 (<= ~a29~0 599998)) (.cse1 (= ~a25~0 9))) (or (and .cse0 (<= ~a23~0 216) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse2 .cse8 .cse3 .cse5) (and .cse6 .cse9 .cse2 .cse3 .cse4 .cse5 .cse10) (and .cse11 .cse12 .cse13 .cse2 .cse8 .cse5) (and .cse14 .cse7 .cse15 .cse2 .cse8 .cse3 .cse5 .cse16) (and (<= (+ ~a29~0 275802) 0) .cse1 .cse2 .cse3 .cse5) (and .cse17 .cse18) (and .cse9 .cse1 .cse2 .cse8 .cse3 .cse5 .cse16) (and .cse9 .cse19 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse20 .cse21 .cse2 .cse3 .cse4 .cse5 .cse18) (and .cse22 .cse11 .cse23 .cse0 .cse1 .cse2 .cse24 .cse5) (and .cse25 .cse11 .cse20 .cse12 .cse2 .cse5) (and .cse22 .cse21 .cse1 .cse2 .cse8 .cse3 .cse5) (and .cse26 (or .cse14 .cse20) .cse2 (or (and (let ((.cse27 (* ~a23~0 (- 1)))) (< (div (+ .cse27 260099) 299846) (div (+ .cse27 559944) 299846))) (<= 260099 ~a23~0) (< ~a23~0 559945)) (= ~a23~0 559945)) .cse3 .cse5) (and .cse28 .cse9 .cse14 .cse11 .cse29 .cse2 .cse5 .cse16) (and .cse25 .cse19 .cse11 .cse20 .cse2 .cse5 .cse10) (and .cse28 .cse2 .cse3 .cse30 .cse5 (= ~a25~0 10)) (and .cse25 .cse12 .cse13 .cse2 .cse3 .cse5) (and .cse22 .cse20 .cse21 .cse2 .cse8 .cse3 .cse5 (< 181920 ~a23~0)) (and .cse26 .cse14 .cse11 .cse31 .cse2 .cse8 .cse5) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse22 .cse25 .cse11 .cse20 .cse0 .cse2 .cse5) (and .cse7 .cse20 .cse21 .cse2 (<= ~a23~0 181945) .cse3 .cse5 .cse16) (and .cse14 .cse25 .cse11 .cse12 .cse31 .cse2 .cse5) (and .cse14 .cse11 .cse32 .cse31 .cse2 .cse8 (or .cse33 (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse5 .cse10) (and .cse25 .cse19 .cse11 .cse13 .cse2 .cse5 .cse18 .cse10) (and .cse21 .cse8 .cse34) (and .cse35 .cse20 .cse0 .cse2 .cse3 .cse4 .cse5 .cse10) (and (<= (+ ~a29~0 21) 0) .cse14 .cse2 .cse3 .cse4 .cse5 .cse18) (and .cse9 .cse20 .cse2 .cse3 .cse4 .cse5 .cse10) (and .cse36 .cse6 .cse9 .cse2 .cse3 .cse5) (and .cse9 .cse20 .cse2 .cse8 .cse3 .cse5 .cse16) (and .cse24 .cse34) (and .cse28 .cse11 .cse20 .cse0 .cse2 .cse5 .cse16 .cse18) (and .cse13 .cse21 .cse2 (< 306 ~a23~0) .cse8 .cse3 .cse5) (and .cse9 .cse14 .cse11 .cse23 .cse2 .cse24 .cse5 .cse16) (and .cse8 (let ((.cse37 (< 181944 ~a23~0))) (or (and .cse14 .cse32 .cse37 .cse2 .cse3 .cse5) (and .cse20 .cse37 .cse2 .cse38 .cse3 .cse5))) .cse10) (and .cse6 .cse25 .cse11 .cse12 .cse2 .cse5 .cse18) (and .cse36 .cse6 .cse35 .cse15 .cse2 .cse3 .cse5) (and .cse14 .cse7 .cse2 .cse38 .cse8 .cse3 .cse5 .cse10) (and .cse9 .cse14 .cse11 .cse2 (<= 0 (+ 401989 ~a23~0)) .cse8 .cse5 .cse16) (and .cse17 .cse14) (and .cse22 .cse28 .cse11 .cse29 .cse0 .cse1 .cse2 .cse5))))) [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,207 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,208 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-08-25 21:48:26,209 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,210 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,211 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-08-25 21:48:26,211 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-08-25 21:48:26,211 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-25 21:48:26,211 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,211 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse39 (+ ~a23~0 43)) (.cse40 (+ ~a23~0 599772))) (let ((.cse19 (<= ~a29~0 140)) (.cse10 (<= 130 ~a29~0)) (.cse14 (= ~a25~0 12)) (.cse35 (<= 0 .cse40)) (.cse25 (<= ~a23~0 211)) (.cse12 (<= (+ ~a29~0 22) 0)) (.cse20 (= ~a25~0 11)) (.cse7 (<= 307 ~a23~0)) (.cse13 (<= ~a25~0 10)) (.cse2 (= ~a3~0 1)) (.cse30 (<= 214883 ~a29~0)) (.cse5 (= ~a8~0 15)) (.cse33 (< 0 .cse39)) (.cse3 (= ~a4~0 1))) (let ((.cse26 (<= (+ 275921 ~a29~0) 0)) (.cse31 (or .cse33 (<= 141 ~a29~0) .cse3 (not (= ULTIMATE.start_calculate_output_~input 1)))) (.cse4 (<= ~a23~0 312)) (.cse34 (or (and .cse20 .cse2 .cse3 .cse30 .cse5) (and .cse2 .cse3 .cse30 (<= ~a25~0 9) .cse5) (and .cse7 .cse13 .cse2 .cse3 .cse30 .cse5))) (.cse21 (<= ~a29~0 599999)) (.cse23 (<= 0 (+ ~a23~0 599899))) (.cse24 (<= .cse40 0)) (.cse32 (<= ~a29~0 243)) (.cse18 (<= 0 (+ ~a23~0 379604))) (.cse36 (exists ((aux_div_aux_mod_v_~a23~0_477_20_65 Int)) (and (<= ~a23~0 (+ 180 (mod (* aux_div_aux_mod_v_~a23~0_477_20_65 4) 83))) (< 61 aux_div_aux_mod_v_~a23~0_477_20_65)))) (.cse6 (= ~a25~0 13)) (.cse15 (<= ~a29~0 99920)) (.cse38 (<= ~a29~0 220)) (.cse9 (<= ~a29~0 275)) (.cse8 (<= ~a23~0 859790)) (.cse16 (<= 246 ~a29~0)) (.cse17 (or (and .cse35 .cse25 .cse19 .cse13 .cse2 .cse3 .cse5 .cse10) (and .cse14 .cse35 .cse25 .cse12 .cse2 .cse3 .cse5))) (.cse22 (<= 260 ~a29~0)) (.cse28 (<= .cse39 0)) (.cse11 (= ~a4~0 0)) (.cse29 (<= 0 (+ 599894 ~a23~0))) (.cse0 (<= ~a29~0 599998)) (.cse1 (= ~a25~0 9))) (or (and .cse0 (<= ~a23~0 216) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse2 .cse8 .cse3 .cse5) (and .cse6 .cse9 .cse2 .cse3 .cse4 .cse5 .cse10) (and .cse11 .cse12 .cse13 .cse2 .cse8 .cse5) (and .cse14 .cse7 .cse15 .cse2 .cse8 .cse3 .cse5 .cse16) (and (<= (+ ~a29~0 275802) 0) .cse1 .cse2 .cse3 .cse5) (and .cse17 .cse18) (and .cse9 .cse1 .cse2 .cse8 .cse3 .cse5 .cse16) (and .cse9 .cse19 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse20 .cse21 .cse2 .cse3 .cse4 .cse5 .cse18) (and .cse22 .cse11 .cse23 .cse0 .cse1 .cse2 .cse24 .cse5) (and .cse25 .cse11 .cse20 .cse12 .cse2 .cse5) (and .cse22 .cse21 .cse1 .cse2 .cse8 .cse3 .cse5) (and .cse26 (or .cse14 .cse20) .cse2 (or (and (let ((.cse27 (* ~a23~0 (- 1)))) (< (div (+ .cse27 260099) 299846) (div (+ .cse27 559944) 299846))) (<= 260099 ~a23~0) (< ~a23~0 559945)) (= ~a23~0 559945)) .cse3 .cse5) (and .cse28 .cse9 .cse14 .cse11 .cse29 .cse2 .cse5 .cse16) (and .cse25 .cse19 .cse11 .cse20 .cse2 .cse5 .cse10) (and .cse28 .cse2 .cse3 .cse30 .cse5 (= ~a25~0 10)) (and .cse25 .cse12 .cse13 .cse2 .cse3 .cse5) (and .cse22 .cse20 .cse21 .cse2 .cse8 .cse3 .cse5 (< 181920 ~a23~0)) (and .cse26 .cse14 .cse11 .cse31 .cse2 .cse8 .cse5) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse22 .cse25 .cse11 .cse20 .cse0 .cse2 .cse5) (and .cse7 .cse20 .cse21 .cse2 (<= ~a23~0 181945) .cse3 .cse5 .cse16) (and .cse14 .cse25 .cse11 .cse12 .cse31 .cse2 .cse5) (and .cse14 .cse11 .cse32 .cse31 .cse2 .cse8 (or .cse33 (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse5 .cse10) (and .cse25 .cse19 .cse11 .cse13 .cse2 .cse5 .cse18 .cse10) (and .cse21 .cse8 .cse34) (and .cse35 .cse20 .cse0 .cse2 .cse3 .cse4 .cse5 .cse10) (and (<= (+ ~a29~0 21) 0) .cse14 .cse2 .cse3 .cse4 .cse5 .cse18) (and .cse9 .cse20 .cse2 .cse3 .cse4 .cse5 .cse10) (and .cse36 .cse6 .cse9 .cse2 .cse3 .cse5) (and .cse9 .cse20 .cse2 .cse8 .cse3 .cse5 .cse16) (and .cse24 .cse34) (and .cse28 .cse11 .cse20 .cse0 .cse2 .cse5 .cse16 .cse18) (and .cse13 .cse21 .cse2 (< 306 ~a23~0) .cse8 .cse3 .cse5) (and .cse9 .cse14 .cse11 .cse23 .cse2 .cse24 .cse5 .cse16) (and .cse8 (let ((.cse37 (< 181944 ~a23~0))) (or (and .cse14 .cse32 .cse37 .cse2 .cse3 .cse5) (and .cse20 .cse37 .cse2 .cse38 .cse3 .cse5))) .cse10) (and .cse6 .cse25 .cse11 .cse12 .cse2 .cse5 .cse18) (and .cse36 .cse6 .cse35 .cse15 .cse2 .cse3 .cse5) (and .cse14 .cse7 .cse2 .cse38 .cse8 .cse3 .cse5 .cse10) (and .cse9 .cse14 .cse11 .cse2 (<= 0 (+ 401989 ~a23~0)) .cse8 .cse5 .cse16) (and .cse17 .cse14) (and .cse22 .cse28 .cse11 .cse29 .cse0 .cse1 .cse2 .cse5))))) [2021-08-25 21:48:26,211 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,212 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,213 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,214 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,215 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,216 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:48:26,217 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-08-25 21:48:26,218 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-08-25 21:48:26,219 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:48:26,220 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-08-25 21:48:26,221 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-08-25 21:48:26,222 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,223 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,224 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:48:26,225 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,226 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,227 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-25 21:48:26,228 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,229 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,230 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-08-25 21:48:26,231 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,232 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,233 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,234 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,235 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-08-25 21:48:26,236 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-25 21:48:26,236 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-08-25 21:48:26,236 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-08-25 21:48:26,240 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 21:48:26,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,250 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,250 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 09:48:26 BoogieIcfgContainer [2021-08-25 21:48:26,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 21:48:26,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 21:48:26,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 21:48:26,276 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 21:48:26,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:44:21" (3/4) ... [2021-08-25 21:48:26,279 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 21:48:26,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 21:48:26,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 21:48:26,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:48:26,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:48:26,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((((a29 <= 599998 && a23 <= 216) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) || ((((((a25 == 13 && 307 <= a23) && a29 <= 599998) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a29 <= 99920) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((a29 + 275802 <= 0 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 275 && a29 <= 140) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || (((((((260 <= a29 && a4 == 0) && 0 <= a23 + 599899) && a29 <= 599998) && a25 == 9) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15)) || (((((a23 <= 211 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a29 <= 599999) && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((275921 + a29 <= 0 && (a25 == 12 || a25 == 11)) && a3 == 1) && ((((a23 * -1 + 260099) / 299846 < (a23 * -1 + 559944) / 299846 && 260099 <= a23) && a23 < 559945) || a23 == 559945)) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a29 <= 275) && a25 == 12) && a4 == 0) && 0 <= 599894 + a23) && a3 == 1) && a8 == 15) && 246 <= a29)) || ((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 == 11) && a3 == 1) && a8 == 15) && 130 <= a29)) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((a23 <= 211 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((260 <= a29 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 181920 < a23)) || ((((((275921 + a29 <= 0 && a25 == 12) && a4 == 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a23 <= 211 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((260 <= a29 && a23 <= 211) && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15)) || (((((((307 <= a23 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 181945) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a25 == 12 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a8 == 15)) || ((((((((a25 == 12 && a4 == 0) && a29 <= 243) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && (0 < a23 + 43 || !(2 == input))) && a8 == 15) && 130 <= a29)) || (((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604) && 130 <= a29)) || ((a29 <= 599999 && a23 <= 859790) && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((0 <= a23 + 599772 && a25 == 11) && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && a29 <= 275) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (a23 + 599772 <= 0 && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && 306 < a23) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15) && 246 <= a29)) || ((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 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604)) || (((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && 0 <= a23 + 599772) && a29 <= 99920) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && a3 == 1) && 0 <= 401989 + a23) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && a25 == 12)) || (((((((260 <= a29 && a23 + 43 <= 0) && a4 == 0) && 0 <= 599894 + a23) && a29 <= 599998) && a25 == 9) && a3 == 1) && a8 == 15) [2021-08-25 21:48:26,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((((a29 <= 599998 && a23 <= 216) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) || ((((((a25 == 13 && 307 <= a23) && a29 <= 599998) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a29 <= 99920) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((a29 + 275802 <= 0 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 275 && a29 <= 140) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || (((((((260 <= a29 && a4 == 0) && 0 <= a23 + 599899) && a29 <= 599998) && a25 == 9) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15)) || (((((a23 <= 211 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a29 <= 599999) && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((275921 + a29 <= 0 && (a25 == 12 || a25 == 11)) && a3 == 1) && ((((a23 * -1 + 260099) / 299846 < (a23 * -1 + 559944) / 299846 && 260099 <= a23) && a23 < 559945) || a23 == 559945)) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a29 <= 275) && a25 == 12) && a4 == 0) && 0 <= 599894 + a23) && a3 == 1) && a8 == 15) && 246 <= a29)) || ((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 == 11) && a3 == 1) && a8 == 15) && 130 <= a29)) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((a23 <= 211 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((260 <= a29 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 181920 < a23)) || ((((((275921 + a29 <= 0 && a25 == 12) && a4 == 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a23 <= 211 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((260 <= a29 && a23 <= 211) && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15)) || (((((((307 <= a23 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 181945) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a25 == 12 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a8 == 15)) || ((((((((a25 == 12 && a4 == 0) && a29 <= 243) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && (0 < a23 + 43 || !(2 == input))) && a8 == 15) && 130 <= a29)) || (((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604) && 130 <= a29)) || ((a29 <= 599999 && a23 <= 859790) && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((0 <= a23 + 599772 && a25 == 11) && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && a29 <= 275) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (a23 + 599772 <= 0 && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && 306 < a23) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15) && 246 <= a29)) || ((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 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604)) || (((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && 0 <= a23 + 599772) && a29 <= 99920) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && a3 == 1) && 0 <= 401989 + a23) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && a25 == 12)) || (((((((260 <= a29 && a23 + 43 <= 0) && a4 == 0) && 0 <= 599894 + a23) && a29 <= 599998) && a25 == 9) && a3 == 1) && a8 == 15) [2021-08-25 21:48:26,430 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 21:48:26,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 21:48:26,431 INFO L168 Benchmark]: Toolchain (without parser) took 247824.05 ms. Allocated memory was 52.4 MB in the beginning and 4.1 GB in the end (delta: 4.0 GB). Free memory was 26.5 MB in the beginning and 2.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.1 GB. [2021-08-25 21:48:26,432 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 21:48:26,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.61 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 37.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-25 21:48:26,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.41 ms. Allocated memory is still 62.9 MB. Free memory was 37.6 MB in the beginning and 29.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-08-25 21:48:26,433 INFO L168 Benchmark]: Boogie Preprocessor took 134.05 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 29.4 MB in the beginning and 46.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:48:26,433 INFO L168 Benchmark]: RCFGBuilder took 1943.44 ms. Allocated memory was 83.9 MB in the beginning and 148.9 MB in the end (delta: 65.0 MB). Free memory was 46.8 MB in the beginning and 88.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2021-08-25 21:48:26,433 INFO L168 Benchmark]: TraceAbstraction took 244741.93 ms. Allocated memory was 148.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 88.7 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 16.1 GB. [2021-08-25 21:48:26,434 INFO L168 Benchmark]: Witness Printer took 154.99 ms. Allocated memory is still 4.1 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:48:26,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.61 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 37.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 146.41 ms. Allocated memory is still 62.9 MB. Free memory was 37.6 MB in the beginning and 29.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.05 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 29.4 MB in the beginning and 46.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1943.44 ms. Allocated memory was 83.9 MB in the beginning and 148.9 MB in the end (delta: 65.0 MB). Free memory was 46.8 MB in the beginning and 88.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 244741.93 ms. Allocated memory was 148.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 88.7 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 16.1 GB. * Witness Printer took 154.99 ms. Allocated memory is still 4.1 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 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_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,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: 208]: 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: 244643.2ms, OverallIterations: 37, TraceHistogramMax: 6, EmptinessCheckTime: 596.3ms, AutomataDifference: 54996.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 119790.7ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5141 SDtfs, 12568 SDslu, 1509 SDs, 0 SdLazy, 49203 SolverSat, 6010 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36573.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7149 GetRequests, 7004 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3204.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=64733occurred in iteration=36, InterpolantAutomatonStates: 178, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10510.9ms AutomataMinimizationTime, 37 MinimizatonAttempts, 141358 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1093 NumberOfFragments, 2565 HoareAnnotationTreeSize, 3 FomulaSimplifications, 480907218 FormulaSimplificationTreeSizeReduction, 44967.5ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 72859178 FormulaSimplificationTreeSizeReductionInter, 74796.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 692.2ms SsaConstructionTime, 2516.9ms SatisfiabilityAnalysisTime, 33513.5ms InterpolantComputationTime, 22303 NumberOfCodeBlocks, 22303 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 22251 ConstructedInterpolants, 90 QuantifiedInterpolants, 81999 SizeOfPredicates, 5 NumberOfNonLiveVariables, 9338 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 52 InterpolantComputations, 29 PerfectInterpolantSequences, 21969/28098 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 21:48:26,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((a29 <= 599998 && a23 <= 216) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) || ((((((a25 == 13 && 307 <= a23) && a29 <= 599998) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a29 <= 99920) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((a29 + 275802 <= 0 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 275 && a29 <= 140) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || (((((((260 <= a29 && a4 == 0) && 0 <= a23 + 599899) && a29 <= 599998) && a25 == 9) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15)) || (((((a23 <= 211 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a29 <= 599999) && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((275921 + a29 <= 0 && (a25 == 12 || a25 == 11)) && a3 == 1) && ((((a23 * -1 + 260099) / 299846 < (a23 * -1 + 559944) / 299846 && 260099 <= a23) && a23 < 559945) || a23 == 559945)) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a29 <= 275) && a25 == 12) && a4 == 0) && 0 <= 599894 + a23) && a3 == 1) && a8 == 15) && 246 <= a29)) || ((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 == 11) && a3 == 1) && a8 == 15) && 130 <= a29)) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((a23 <= 211 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((260 <= a29 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 181920 < a23)) || ((((((275921 + a29 <= 0 && a25 == 12) && a4 == 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a23 <= 211 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((260 <= a29 && a23 <= 211) && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15)) || (((((((307 <= a23 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 181945) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a25 == 12 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a8 == 15)) || ((((((((a25 == 12 && a4 == 0) && a29 <= 243) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && (0 < a23 + 43 || !(2 == input))) && a8 == 15) && 130 <= a29)) || (((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604) && 130 <= a29)) || ((a29 <= 599999 && a23 <= 859790) && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((0 <= a23 + 599772 && a25 == 11) && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && a29 <= 275) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (a23 + 599772 <= 0 && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && 306 < a23) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15) && 246 <= a29)) || ((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 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604)) || (((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && 0 <= a23 + 599772) && a29 <= 99920) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && a3 == 1) && 0 <= 401989 + a23) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && a25 == 12)) || (((((((260 <= a29 && a23 + 43 <= 0) && a4 == 0) && 0 <= 599894 + a23) && a29 <= 599998) && a25 == 9) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant [2021-08-25 21:48:26,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] [2021-08-25 21:48:26,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a23~0_477_20_65,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((a29 <= 599998 && a23 <= 216) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) || ((((((a25 == 13 && 307 <= a23) && a29 <= 599998) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a29 <= 275) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || (((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a29 <= 99920) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((a29 + 275802 <= 0 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a29 <= 275 && a29 <= 140) && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || (((((((260 <= a29 && a4 == 0) && 0 <= a23 + 599899) && a29 <= 599998) && a25 == 9) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15)) || (((((a23 <= 211 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a29 <= 599999) && a25 == 9) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((275921 + a29 <= 0 && (a25 == 12 || a25 == 11)) && a3 == 1) && ((((a23 * -1 + 260099) / 299846 < (a23 * -1 + 559944) / 299846 && 260099 <= a23) && a23 < 559945) || a23 == 559945)) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && a29 <= 275) && a25 == 12) && a4 == 0) && 0 <= 599894 + a23) && a3 == 1) && a8 == 15) && 246 <= a29)) || ((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 == 11) && a3 == 1) && a8 == 15) && 130 <= a29)) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || (((((a23 <= 211 && a29 + 22 <= 0) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((260 <= a29 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 181920 < a23)) || ((((((275921 + a29 <= 0 && a25 == 12) && a4 == 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && a8 == 15)) || (((((a23 <= 211 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((260 <= a29 && a23 <= 211) && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15)) || (((((((307 <= a23 && a25 == 11) && a29 <= 599999) && a3 == 1) && a23 <= 181945) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((a25 == 12 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a8 == 15)) || ((((((((a25 == 12 && a4 == 0) && a29 <= 243) && (((0 < a23 + 43 || 141 <= a29) || a4 == 1) || !(input == 1))) && a3 == 1) && a23 <= 859790) && (0 < a23 + 43 || !(2 == input))) && a8 == 15) && 130 <= a29)) || (((((((a23 <= 211 && a29 <= 140) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604) && 130 <= a29)) || ((a29 <= 599999 && a23 <= 859790) && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((0 <= a23 + 599772 && a25 == 11) && a29 <= 599998) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 0 <= a23 + 379604)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && a29 <= 275) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a29 <= 275 && a25 == 11) && a3 == 1) && a23 <= 859790) && a4 == 1) && a8 == 15) && 246 <= a29)) || (a23 + 599772 <= 0 && ((((((a25 == 11 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 214883 <= a29) && a25 <= 9) && a8 == 15)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15)))) || (((((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599998) && a3 == 1) && a8 == 15) && 246 <= a29) && 0 <= a23 + 379604)) || ((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && 306 < a23) && a23 <= 859790) && a4 == 1) && a8 == 15)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && 0 <= a23 + 599899) && a3 == 1) && a23 + 599772 <= 0) && a8 == 15) && 246 <= a29)) || ((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 && a23 <= 211) && a4 == 0) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= a23 + 379604)) || (((((((\exists aux_div_aux_mod_v_~a23~0_477_20_65 : int :: a23 <= 180 + aux_div_aux_mod_v_~a23~0_477_20_65 * 4 % 83 && 61 < aux_div_aux_mod_v_~a23~0_477_20_65) && a25 == 13) && 0 <= a23 + 599772) && a29 <= 99920) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a23 <= 859790) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((((a29 <= 275 && a25 == 12) && a4 == 0) && a3 == 1) && 0 <= 401989 + a23) && a23 <= 859790) && a8 == 15) && 246 <= a29)) || (((((((((0 <= a23 + 599772 && a23 <= 211) && a29 <= 140) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 211) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && a8 == 15)) && a25 == 12)) || (((((((260 <= a29 && a23 + 43 <= 0) && a4 == 0) && 0 <= 599894 + a23) && a29 <= 599998) && a25 == 9) && a3 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 21:48:26,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...