./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_label17.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 a55417a97b6239a405a0dcf0983ee9e4456c0351375b5342395e4dcb7a46d5dd --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 22:37:38,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 22:37:38,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 22:37:38,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 22:37:38,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 22:37:38,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 22:37:38,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 22:37:38,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 22:37:38,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 22:37:38,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 22:37:38,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 22:37:38,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 22:37:38,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 22:37:38,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 22:37:38,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 22:37:38,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 22:37:38,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 22:37:38,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 22:37:38,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 22:37:38,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 22:37:38,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 22:37:38,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 22:37:38,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 22:37:38,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 22:37:38,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 22:37:38,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 22:37:38,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 22:37:38,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 22:37:38,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 22:37:38,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 22:37:38,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 22:37:38,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 22:37:38,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 22:37:38,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 22:37:38,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 22:37:38,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 22:37:38,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 22:37:38,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 22:37:38,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 22:37:38,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 22:37:38,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 22:37:38,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 22:37:38,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 22:37:38,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 22:37:38,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 22:37:38,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 22:37:38,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 22:37:38,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 22:37:38,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 22:37:38,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 22:37:38,312 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 22:37:38,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 22:37:38,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 22:37:38,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 22:37:38,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 22:37:38,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 22:37:38,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 22:37:38,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 22:37:38,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 22:37:38,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 22:37:38,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 22:37:38,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 22:37:38,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 22:37:38,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 22:37:38,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 22:37:38,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 22:37:38,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:37:38,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 22:37:38,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 22:37:38,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 22:37:38,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 22:37:38,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 22:37:38,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 22:37:38,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 22:37:38,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 22:37:38,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 22:37:38,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a55417a97b6239a405a0dcf0983ee9e4456c0351375b5342395e4dcb7a46d5dd [2021-12-15 22:37:38,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 22:37:38,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 22:37:38,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 22:37:38,534 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 22:37:38,536 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 22:37:38,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2021-12-15 22:37:38,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8547ff683/efc164c722234292ac5b817d49c6d649/FLAG97a8821cd [2021-12-15 22:37:39,067 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 22:37:39,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2021-12-15 22:37:39,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8547ff683/efc164c722234292ac5b817d49c6d649/FLAG97a8821cd [2021-12-15 22:37:39,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8547ff683/efc164c722234292ac5b817d49c6d649 [2021-12-15 22:37:39,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 22:37:39,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 22:37:39,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 22:37:39,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 22:37:39,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 22:37:39,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:37:39" (1/1) ... [2021-12-15 22:37:39,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f9060c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:39, skipping insertion in model container [2021-12-15 22:37:39,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:37:39" (1/1) ... [2021-12-15 22:37:39,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 22:37:39,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 22:37:39,927 WARN L230 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_label17.c[5541,5554] [2021-12-15 22:37:40,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:37:40,106 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 22:37:40,139 WARN L230 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_label17.c[5541,5554] [2021-12-15 22:37:40,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:37:40,268 INFO L208 MainTranslator]: Completed translation [2021-12-15 22:37:40,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40 WrapperNode [2021-12-15 22:37:40,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 22:37:40,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 22:37:40,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 22:37:40,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 22:37:40,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,362 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-15 22:37:40,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 22:37:40,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 22:37:40,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 22:37:40,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 22:37:40,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 22:37:40,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 22:37:40,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 22:37:40,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 22:37:40,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (1/1) ... [2021-12-15 22:37:40,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:37:40,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:37:40,491 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) [2021-12-15 22:37:40,497 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 [2021-12-15 22:37:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 22:37:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 22:37:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 22:37:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 22:37:40,563 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 22:37:40,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 22:37:41,533 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 22:37:41,546 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 22:37:41,546 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 22:37:41,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:37:41 BoogieIcfgContainer [2021-12-15 22:37:41,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 22:37:41,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 22:37:41,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 22:37:41,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 22:37:41,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:37:39" (1/3) ... [2021-12-15 22:37:41,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d208d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:37:41, skipping insertion in model container [2021-12-15 22:37:41,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:37:40" (2/3) ... [2021-12-15 22:37:41,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d208d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:37:41, skipping insertion in model container [2021-12-15 22:37:41,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:37:41" (3/3) ... [2021-12-15 22:37:41,556 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label17.c [2021-12-15 22:37:41,560 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 22:37:41,560 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 22:37:41,602 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 22:37:41,608 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-15 22:37:41,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 22:37:41,627 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) [2021-12-15 22:37:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-15 22:37:41,639 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:41,639 INFO L514 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] [2021-12-15 22:37:41,639 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:41,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:41,643 INFO L85 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2021-12-15 22:37:41,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:41,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485379573] [2021-12-15 22:37:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:41,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:41,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:41,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485379573] [2021-12-15 22:37:41,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485379573] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:41,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:41,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:37:41,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301553809] [2021-12-15 22:37:41,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:41,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:41,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:41,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:41,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:41,884 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 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:42,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:42,670 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-15 22:37:42,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:37:42,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2021-12-15 22:37:42,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:42,683 INFO L225 Difference]: With dead ends: 761 [2021-12-15 22:37:42,684 INFO L226 Difference]: Without dead ends: 413 [2021-12-15 22:37:42,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:42,696 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 190 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:42,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:37:42,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-15 22:37:42,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-15 22:37:42,752 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) [2021-12-15 22:37:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-15 22:37:42,755 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 38 [2021-12-15 22:37:42,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:42,755 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-15 22:37:42,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-15 22:37:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-15 22:37:42,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:42,760 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:37:42,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 22:37:42,761 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:42,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:42,762 INFO L85 PathProgramCache]: Analyzing trace with hash -980853214, now seen corresponding path program 1 times [2021-12-15 22:37:42,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:42,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958956577] [2021-12-15 22:37:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:42,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:42,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:42,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958956577] [2021-12-15 22:37:42,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958956577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:42,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:42,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:37:42,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703596816] [2021-12-15 22:37:42,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:42,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:42,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:42,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:42,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:42,896 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:43,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:43,670 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-15 22:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:37:43,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-12-15 22:37:43,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:43,673 INFO L225 Difference]: With dead ends: 1211 [2021-12-15 22:37:43,674 INFO L226 Difference]: Without dead ends: 800 [2021-12-15 22:37:43,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:43,675 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:43,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:37:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-15 22:37:43,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-15 22:37:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-15 22:37:43,693 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 106 [2021-12-15 22:37:43,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:43,694 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-15 22:37:43,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-15 22:37:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-15 22:37:43,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:43,697 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:37:43,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 22:37:43,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:43,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash 952313213, now seen corresponding path program 1 times [2021-12-15 22:37:43,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:43,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036845723] [2021-12-15 22:37:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:43,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:43,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:43,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036845723] [2021-12-15 22:37:43,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036845723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:43,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:43,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:37:43,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051469681] [2021-12-15 22:37:43,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:43,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:37:43,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:43,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:37:43,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:37:43,859 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:44,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:44,998 INFO L93 Difference]: Finished difference Result 2505 states and 3425 transitions. [2021-12-15 22:37:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:37:44,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-12-15 22:37:44,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:45,004 INFO L225 Difference]: With dead ends: 2505 [2021-12-15 22:37:45,004 INFO L226 Difference]: Without dead ends: 1718 [2021-12-15 22:37:45,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:37:45,008 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 483 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:45,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 218 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 22:37:45,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2021-12-15 22:37:45,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1714. [2021-12-15 22:37:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.2259194395796849) internal successors, (2100), 1713 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2100 transitions. [2021-12-15 22:37:45,051 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2100 transitions. Word has length 108 [2021-12-15 22:37:45,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:45,052 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2100 transitions. [2021-12-15 22:37:45,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2100 transitions. [2021-12-15 22:37:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-15 22:37:45,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:45,054 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:37:45,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 22:37:45,055 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:45,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:45,055 INFO L85 PathProgramCache]: Analyzing trace with hash -415130689, now seen corresponding path program 1 times [2021-12-15 22:37:45,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:45,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754084913] [2021-12-15 22:37:45,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:45,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:45,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:45,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754084913] [2021-12-15 22:37:45,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754084913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:45,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:45,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:37:45,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162337652] [2021-12-15 22:37:45,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:45,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:45,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:45,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:45,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:45,141 INFO L87 Difference]: Start difference. First operand 1714 states and 2100 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:45,727 INFO L93 Difference]: Finished difference Result 4005 states and 5045 transitions. [2021-12-15 22:37:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:37:45,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2021-12-15 22:37:45,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:45,734 INFO L225 Difference]: With dead ends: 4005 [2021-12-15 22:37:45,734 INFO L226 Difference]: Without dead ends: 2477 [2021-12-15 22:37:45,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:45,743 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 197 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:45,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 321 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:37:45,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2021-12-15 22:37:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2474. [2021-12-15 22:37:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 2473 states have (on average 1.2304892842701172) internal successors, (3043), 2473 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3043 transitions. [2021-12-15 22:37:45,775 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3043 transitions. Word has length 165 [2021-12-15 22:37:45,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:45,776 INFO L470 AbstractCegarLoop]: Abstraction has 2474 states and 3043 transitions. [2021-12-15 22:37:45,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3043 transitions. [2021-12-15 22:37:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-15 22:37:45,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:45,782 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:37:45,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 22:37:45,782 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:45,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:45,783 INFO L85 PathProgramCache]: Analyzing trace with hash -406031591, now seen corresponding path program 1 times [2021-12-15 22:37:45,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:45,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612488925] [2021-12-15 22:37:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:45,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-15 22:37:45,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:45,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612488925] [2021-12-15 22:37:45,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612488925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:45,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:45,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:37:45,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676443497] [2021-12-15 22:37:45,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:45,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:45,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:45,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:45,900 INFO L87 Difference]: Start difference. First operand 2474 states and 3043 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:46,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:46,514 INFO L93 Difference]: Finished difference Result 5878 states and 7338 transitions. [2021-12-15 22:37:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:37:46,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 220 [2021-12-15 22:37:46,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:46,532 INFO L225 Difference]: With dead ends: 5878 [2021-12-15 22:37:46,532 INFO L226 Difference]: Without dead ends: 3590 [2021-12-15 22:37:46,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:46,537 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 159 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:46,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:37:46,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2021-12-15 22:37:46,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3579. [2021-12-15 22:37:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 3578 states have (on average 1.1995528228060368) internal successors, (4292), 3578 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4292 transitions. [2021-12-15 22:37:46,581 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4292 transitions. Word has length 220 [2021-12-15 22:37:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:46,582 INFO L470 AbstractCegarLoop]: Abstraction has 3579 states and 4292 transitions. [2021-12-15 22:37:46,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4292 transitions. [2021-12-15 22:37:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-15 22:37:46,586 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:46,586 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:37:46,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 22:37:46,587 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:46,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:46,588 INFO L85 PathProgramCache]: Analyzing trace with hash 379079722, now seen corresponding path program 1 times [2021-12-15 22:37:46,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:46,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445777607] [2021-12-15 22:37:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:46,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-15 22:37:46,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:46,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445777607] [2021-12-15 22:37:46,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445777607] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:37:46,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661511057] [2021-12-15 22:37:46,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:46,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:37:46,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:37:46,753 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) [2021-12-15 22:37:46,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 22:37:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:46,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:37:46,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:37:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-15 22:37:47,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:37:47,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661511057] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:47,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:37:47,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 22:37:47,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799666635] [2021-12-15 22:37:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:47,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:47,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:47,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:37:47,129 INFO L87 Difference]: Start difference. First operand 3579 states and 4292 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:47,722 INFO L93 Difference]: Finished difference Result 8629 states and 10566 transitions. [2021-12-15 22:37:47,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:37:47,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 226 [2021-12-15 22:37:47,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:47,756 INFO L225 Difference]: With dead ends: 8629 [2021-12-15 22:37:47,757 INFO L226 Difference]: Without dead ends: 5236 [2021-12-15 22:37:47,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:37:47,761 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 173 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:47,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 145 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:37:47,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5236 states. [2021-12-15 22:37:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5236 to 5236. [2021-12-15 22:37:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 5235 states have (on average 1.2051575931232092) internal successors, (6309), 5235 states have internal predecessors, (6309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 6309 transitions. [2021-12-15 22:37:47,831 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 6309 transitions. Word has length 226 [2021-12-15 22:37:47,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:47,832 INFO L470 AbstractCegarLoop]: Abstraction has 5236 states and 6309 transitions. [2021-12-15 22:37:47,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 6309 transitions. [2021-12-15 22:37:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-15 22:37:47,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:47,835 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:37:47,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 22:37:48,055 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,SelfDestructingSolverStorable5 [2021-12-15 22:37:48,056 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:48,056 INFO L85 PathProgramCache]: Analyzing trace with hash -596698309, now seen corresponding path program 1 times [2021-12-15 22:37:48,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:48,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826703315] [2021-12-15 22:37:48,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:48,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-15 22:37:48,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:48,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826703315] [2021-12-15 22:37:48,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826703315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:48,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:48,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:37:48,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893408517] [2021-12-15 22:37:48,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:48,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:48,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:48,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:48,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:48,235 INFO L87 Difference]: Start difference. First operand 5236 states and 6309 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:49,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:49,367 INFO L93 Difference]: Finished difference Result 11585 states and 14149 transitions. [2021-12-15 22:37:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:37:49,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 257 [2021-12-15 22:37:49,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:49,390 INFO L225 Difference]: With dead ends: 11585 [2021-12-15 22:37:49,390 INFO L226 Difference]: Without dead ends: 6535 [2021-12-15 22:37:49,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:49,398 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 158 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:49,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 22:37:49,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6535 states. [2021-12-15 22:37:49,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6535 to 6341. [2021-12-15 22:37:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6341 states, 6340 states have (on average 1.1976340694006309) internal successors, (7593), 6340 states have internal predecessors, (7593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:49,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 7593 transitions. [2021-12-15 22:37:49,510 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 7593 transitions. Word has length 257 [2021-12-15 22:37:49,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:49,510 INFO L470 AbstractCegarLoop]: Abstraction has 6341 states and 7593 transitions. [2021-12-15 22:37:49,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 7593 transitions. [2021-12-15 22:37:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-15 22:37:49,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:49,518 INFO L514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:37:49,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 22:37:49,519 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:49,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:49,519 INFO L85 PathProgramCache]: Analyzing trace with hash -815039662, now seen corresponding path program 1 times [2021-12-15 22:37:49,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:49,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992127919] [2021-12-15 22:37:49,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:49,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-15 22:37:49,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:49,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992127919] [2021-12-15 22:37:49,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992127919] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:49,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:49,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:37:49,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994633060] [2021-12-15 22:37:49,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:49,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:49,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:49,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:49,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:49,750 INFO L87 Difference]: Start difference. First operand 6341 states and 7593 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:50,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:50,428 INFO L93 Difference]: Finished difference Result 13967 states and 16970 transitions. [2021-12-15 22:37:50,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:37:50,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 303 [2021-12-15 22:37:50,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:50,452 INFO L225 Difference]: With dead ends: 13967 [2021-12-15 22:37:50,452 INFO L226 Difference]: Without dead ends: 7812 [2021-12-15 22:37:50,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:50,461 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 186 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:50,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 152 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:37:50,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7812 states. [2021-12-15 22:37:50,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7812 to 6334. [2021-12-15 22:37:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6334 states, 6333 states have (on average 1.1973788094110216) internal successors, (7583), 6333 states have internal predecessors, (7583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6334 states to 6334 states and 7583 transitions. [2021-12-15 22:37:50,553 INFO L78 Accepts]: Start accepts. Automaton has 6334 states and 7583 transitions. Word has length 303 [2021-12-15 22:37:50,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:50,553 INFO L470 AbstractCegarLoop]: Abstraction has 6334 states and 7583 transitions. [2021-12-15 22:37:50,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6334 states and 7583 transitions. [2021-12-15 22:37:50,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-15 22:37:50,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:50,562 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:37:50,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 22:37:50,563 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:50,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:50,564 INFO L85 PathProgramCache]: Analyzing trace with hash 2066108542, now seen corresponding path program 1 times [2021-12-15 22:37:50,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:50,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064575957] [2021-12-15 22:37:50,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:50,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 139 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:50,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:50,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064575957] [2021-12-15 22:37:50,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064575957] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:37:50,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268671133] [2021-12-15 22:37:50,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:50,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:37:50,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:37:50,724 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) [2021-12-15 22:37:50,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 22:37:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:50,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-15 22:37:50,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:37:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 139 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:52,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 22:37:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 139 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:54,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268671133] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 22:37:54,424 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 22:37:54,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-15 22:37:54,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701834918] [2021-12-15 22:37:54,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 22:37:54,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-15 22:37:54,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:54,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-15 22:37:54,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:37:54,426 INFO L87 Difference]: Start difference. First operand 6334 states and 7583 transitions. Second operand has 8 states, 8 states have (on average 73.0) internal successors, (584), 7 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:56,609 INFO L93 Difference]: Finished difference Result 16657 states and 19976 transitions. [2021-12-15 22:37:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-15 22:37:56,610 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 73.0) internal successors, (584), 7 states have internal predecessors, (584), 0 states have call successors, (0), 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 322 [2021-12-15 22:37:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:56,629 INFO L225 Difference]: With dead ends: 16657 [2021-12-15 22:37:56,630 INFO L226 Difference]: Without dead ends: 10509 [2021-12-15 22:37:56,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 637 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-12-15 22:37:56,638 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 955 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:56,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [955 Valid, 179 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-15 22:37:56,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10509 states. [2021-12-15 22:37:56,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10509 to 6147. [2021-12-15 22:37:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6147 states, 6146 states have (on average 1.2002928734136022) internal successors, (7377), 6146 states have internal predecessors, (7377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 7377 transitions. [2021-12-15 22:37:56,723 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 7377 transitions. Word has length 322 [2021-12-15 22:37:56,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:56,724 INFO L470 AbstractCegarLoop]: Abstraction has 6147 states and 7377 transitions. [2021-12-15 22:37:56,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 73.0) internal successors, (584), 7 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 7377 transitions. [2021-12-15 22:37:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-12-15 22:37:56,730 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:56,731 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 22:37:56,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 22:37:56,947 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,SelfDestructingSolverStorable8 [2021-12-15 22:37:56,947 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:56,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:56,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1032835470, now seen corresponding path program 1 times [2021-12-15 22:37:56,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:56,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369265561] [2021-12-15 22:37:56,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:56,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:37:57,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:57,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369265561] [2021-12-15 22:37:57,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369265561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:57,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:57,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 22:37:57,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650814611] [2021-12-15 22:37:57,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:57,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:37:57,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:57,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:37:57,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:37:57,101 INFO L87 Difference]: Start difference. First operand 6147 states and 7377 transitions. Second operand has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:58,116 INFO L93 Difference]: Finished difference Result 16174 states and 19513 transitions. [2021-12-15 22:37:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:37:58,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 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 343 [2021-12-15 22:37:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:58,131 INFO L225 Difference]: With dead ends: 16174 [2021-12-15 22:37:58,131 INFO L226 Difference]: Without dead ends: 10029 [2021-12-15 22:37:58,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:37:58,139 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 252 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:58,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 68 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:37:58,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2021-12-15 22:37:58,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 8737. [2021-12-15 22:37:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8737 states, 8736 states have (on average 1.1806318681318682) internal successors, (10314), 8736 states have internal predecessors, (10314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10314 transitions. [2021-12-15 22:37:58,272 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10314 transitions. Word has length 343 [2021-12-15 22:37:58,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:58,273 INFO L470 AbstractCegarLoop]: Abstraction has 8737 states and 10314 transitions. [2021-12-15 22:37:58,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10314 transitions. [2021-12-15 22:37:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-15 22:37:58,288 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:58,288 INFO L514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:37:58,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 22:37:58,289 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:58,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:58,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1279990241, now seen corresponding path program 1 times [2021-12-15 22:37:58,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:58,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421944145] [2021-12-15 22:37:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:58,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-15 22:37:58,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:58,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421944145] [2021-12-15 22:37:58,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421944145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:58,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:58,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 22:37:58,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987718116] [2021-12-15 22:37:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:58,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:37:58,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:58,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:37:58,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:37:58,455 INFO L87 Difference]: Start difference. First operand 8737 states and 10314 transitions. Second operand has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:59,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:37:59,453 INFO L93 Difference]: Finished difference Result 18764 states and 22081 transitions. [2021-12-15 22:37:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:37:59,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 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 417 [2021-12-15 22:37:59,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:37:59,465 INFO L225 Difference]: With dead ends: 18764 [2021-12-15 22:37:59,465 INFO L226 Difference]: Without dead ends: 10029 [2021-12-15 22:37:59,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:37:59,473 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 253 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:37:59,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 65 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:37:59,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2021-12-15 22:37:59,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 8737. [2021-12-15 22:37:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8737 states, 8736 states have (on average 1.1806318681318682) internal successors, (10314), 8736 states have internal predecessors, (10314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10314 transitions. [2021-12-15 22:37:59,564 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10314 transitions. Word has length 417 [2021-12-15 22:37:59,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:37:59,565 INFO L470 AbstractCegarLoop]: Abstraction has 8737 states and 10314 transitions. [2021-12-15 22:37:59,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:37:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10314 transitions. [2021-12-15 22:37:59,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-15 22:37:59,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:37:59,574 INFO L514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 22:37:59,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 22:37:59,575 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:37:59,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:37:59,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1983861518, now seen corresponding path program 1 times [2021-12-15 22:37:59,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:37:59,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902145914] [2021-12-15 22:37:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:37:59,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:37:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:37:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-15 22:37:59,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:37:59,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902145914] [2021-12-15 22:37:59,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902145914] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:37:59,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:37:59,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:37:59,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759126156] [2021-12-15 22:37:59,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:37:59,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:37:59,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:37:59,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:37:59,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:37:59,657 INFO L87 Difference]: Start difference. First operand 8737 states and 10314 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:00,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:38:00,201 INFO L93 Difference]: Finished difference Result 17674 states and 20847 transitions. [2021-12-15 22:38:00,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:38:00,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 417 [2021-12-15 22:38:00,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:38:00,244 INFO L225 Difference]: With dead ends: 17674 [2021-12-15 22:38:00,245 INFO L226 Difference]: Without dead ends: 8939 [2021-12-15 22:38:00,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:00,250 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 107 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 22:38:00,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 329 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 22:38:00,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8939 states. [2021-12-15 22:38:00,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8939 to 8369. [2021-12-15 22:38:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 8368 states have (on average 1.1512906309751434) internal successors, (9634), 8368 states have internal predecessors, (9634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 9634 transitions. [2021-12-15 22:38:00,325 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 9634 transitions. Word has length 417 [2021-12-15 22:38:00,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:38:00,325 INFO L470 AbstractCegarLoop]: Abstraction has 8369 states and 9634 transitions. [2021-12-15 22:38:00,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 9634 transitions. [2021-12-15 22:38:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-15 22:38:00,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:38:00,334 INFO L514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:38:00,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 22:38:00,335 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:38:00,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:38:00,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1035222122, now seen corresponding path program 1 times [2021-12-15 22:38:00,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:38:00,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503664139] [2021-12-15 22:38:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:38:00,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:38:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:38:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-15 22:38:00,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:38:00,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503664139] [2021-12-15 22:38:00,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503664139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:38:00,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:38:00,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:38:00,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463966980] [2021-12-15 22:38:00,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:38:00,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:38:00,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:38:00,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:38:00,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:00,444 INFO L87 Difference]: Start difference. First operand 8369 states and 9634 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:00,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:38:00,752 INFO L93 Difference]: Finished difference Result 16356 states and 18794 transitions. [2021-12-15 22:38:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:38:00,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 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 474 [2021-12-15 22:38:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:38:00,760 INFO L225 Difference]: With dead ends: 16356 [2021-12-15 22:38:00,761 INFO L226 Difference]: Without dead ends: 7989 [2021-12-15 22:38:00,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:00,767 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 179 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 22:38:00,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 37 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 22:38:00,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7989 states. [2021-12-15 22:38:00,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7989 to 7987. [2021-12-15 22:38:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7987 states, 7986 states have (on average 1.1461307287753568) internal successors, (9153), 7986 states have internal predecessors, (9153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7987 states to 7987 states and 9153 transitions. [2021-12-15 22:38:00,858 INFO L78 Accepts]: Start accepts. Automaton has 7987 states and 9153 transitions. Word has length 474 [2021-12-15 22:38:00,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:38:00,858 INFO L470 AbstractCegarLoop]: Abstraction has 7987 states and 9153 transitions. [2021-12-15 22:38:00,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7987 states and 9153 transitions. [2021-12-15 22:38:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2021-12-15 22:38:00,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:38:00,867 INFO L514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 22:38:00,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 22:38:00,867 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:38:00,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:38:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash 553128192, now seen corresponding path program 1 times [2021-12-15 22:38:00,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:38:00,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941389882] [2021-12-15 22:38:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:38:00,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:38:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:38:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-15 22:38:00,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:38:00,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941389882] [2021-12-15 22:38:00,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941389882] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:38:00,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:38:00,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:38:00,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145463494] [2021-12-15 22:38:00,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:38:00,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:38:00,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:38:00,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:38:00,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:00,991 INFO L87 Difference]: Start difference. First operand 7987 states and 9153 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:38:01,462 INFO L93 Difference]: Finished difference Result 14289 states and 16345 transitions. [2021-12-15 22:38:01,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:38:01,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 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 490 [2021-12-15 22:38:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:38:01,469 INFO L225 Difference]: With dead ends: 14289 [2021-12-15 22:38:01,469 INFO L226 Difference]: Without dead ends: 6304 [2021-12-15 22:38:01,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:01,474 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 22:38:01,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 123 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 22:38:01,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2021-12-15 22:38:01,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 5383. [2021-12-15 22:38:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5383 states, 5382 states have (on average 1.1198439241917504) internal successors, (6027), 5382 states have internal predecessors, (6027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 5383 states and 6027 transitions. [2021-12-15 22:38:01,561 INFO L78 Accepts]: Start accepts. Automaton has 5383 states and 6027 transitions. Word has length 490 [2021-12-15 22:38:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:38:01,562 INFO L470 AbstractCegarLoop]: Abstraction has 5383 states and 6027 transitions. [2021-12-15 22:38:01,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 6027 transitions. [2021-12-15 22:38:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2021-12-15 22:38:01,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:38:01,572 INFO L514 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 22:38:01,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 22:38:01,573 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:38:01,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:38:01,573 INFO L85 PathProgramCache]: Analyzing trace with hash -912788003, now seen corresponding path program 1 times [2021-12-15 22:38:01,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:38:01,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319269183] [2021-12-15 22:38:01,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:38:01,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:38:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:38:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 844 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-15 22:38:01,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:38:01,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319269183] [2021-12-15 22:38:01,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319269183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:38:01,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:38:01,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:38:01,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908290969] [2021-12-15 22:38:01,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:38:01,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:38:01,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:38:01,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:38:01,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:38:01,711 INFO L87 Difference]: Start difference. First operand 5383 states and 6027 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:38:02,537 INFO L93 Difference]: Finished difference Result 16114 states and 18046 transitions. [2021-12-15 22:38:02,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:38:02,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 668 [2021-12-15 22:38:02,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:38:02,547 INFO L225 Difference]: With dead ends: 16114 [2021-12-15 22:38:02,547 INFO L226 Difference]: Without dead ends: 10733 [2021-12-15 22:38:02,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:38:02,552 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 216 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:38:02,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 54 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:38:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10733 states. [2021-12-15 22:38:02,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10733 to 9992. [2021-12-15 22:38:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9992 states, 9991 states have (on average 1.1101991792613353) internal successors, (11092), 9991 states have internal predecessors, (11092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9992 states to 9992 states and 11092 transitions. [2021-12-15 22:38:02,666 INFO L78 Accepts]: Start accepts. Automaton has 9992 states and 11092 transitions. Word has length 668 [2021-12-15 22:38:02,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:38:02,667 INFO L470 AbstractCegarLoop]: Abstraction has 9992 states and 11092 transitions. [2021-12-15 22:38:02,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:02,667 INFO L276 IsEmpty]: Start isEmpty. Operand 9992 states and 11092 transitions. [2021-12-15 22:38:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2021-12-15 22:38:02,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:38:02,685 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-12-15 22:38:02,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-15 22:38:02,685 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:38:02,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:38:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1363736877, now seen corresponding path program 1 times [2021-12-15 22:38:02,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:38:02,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298435556] [2021-12-15 22:38:02,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:38:02,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:38:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:38:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 981 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2021-12-15 22:38:02,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:38:02,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298435556] [2021-12-15 22:38:02,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298435556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:38:02,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:38:02,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:38:02,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539941285] [2021-12-15 22:38:02,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:38:02,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:38:02,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:38:02,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:38:02,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:02,835 INFO L87 Difference]: Start difference. First operand 9992 states and 11092 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:03,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:38:03,494 INFO L93 Difference]: Finished difference Result 22005 states and 24433 transitions. [2021-12-15 22:38:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:38:03,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 746 [2021-12-15 22:38:03,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:38:03,502 INFO L225 Difference]: With dead ends: 22005 [2021-12-15 22:38:03,502 INFO L226 Difference]: Without dead ends: 10910 [2021-12-15 22:38:03,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:03,539 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 194 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:38:03,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 340 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:38:03,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states. [2021-12-15 22:38:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10726. [2021-12-15 22:38:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10726 states, 10725 states have (on average 1.0910955710955712) internal successors, (11702), 10725 states have internal predecessors, (11702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10726 states to 10726 states and 11702 transitions. [2021-12-15 22:38:03,658 INFO L78 Accepts]: Start accepts. Automaton has 10726 states and 11702 transitions. Word has length 746 [2021-12-15 22:38:03,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:38:03,659 INFO L470 AbstractCegarLoop]: Abstraction has 10726 states and 11702 transitions. [2021-12-15 22:38:03,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 10726 states and 11702 transitions. [2021-12-15 22:38:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2021-12-15 22:38:03,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:38:03,674 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1] [2021-12-15 22:38:03,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-15 22:38:03,674 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:38:03,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:38:03,675 INFO L85 PathProgramCache]: Analyzing trace with hash 989399627, now seen corresponding path program 1 times [2021-12-15 22:38:03,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:38:03,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265809483] [2021-12-15 22:38:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:38:03,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:38:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:38:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 1445 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2021-12-15 22:38:03,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:38:03,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265809483] [2021-12-15 22:38:03,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265809483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:38:03,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:38:03,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:38:03,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144804100] [2021-12-15 22:38:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:38:03,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:38:03,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:38:03,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:38:03,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:03,867 INFO L87 Difference]: Start difference. First operand 10726 states and 11702 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:04,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:38:04,469 INFO L93 Difference]: Finished difference Result 22551 states and 24555 transitions. [2021-12-15 22:38:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:38:04,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 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 836 [2021-12-15 22:38:04,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:38:04,471 INFO L225 Difference]: With dead ends: 22551 [2021-12-15 22:38:04,471 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 22:38:04,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:38:04,475 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 53 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 22:38:04,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 320 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 22:38:04,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 22:38:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 22:38:04,475 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) [2021-12-15 22:38:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 22:38:04,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 836 [2021-12-15 22:38:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:38:04,476 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 22:38:04,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:38:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 22:38:04,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 22:38:04,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 22:38:04,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-15 22:38:04,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 22:38:09,013 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-15 22:38:09,013 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,013 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,014 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-15 22:38:09,015 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-15 22:38:09,016 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-15 22:38:09,016 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,016 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,016 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,017 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse11 (< 0 .cse15)) (.cse2 (<= ~a29~0 599999)) (.cse12 (= 11 ~a25~0)) (.cse6 (= 0 ~a4~0)) (.cse10 (<= ~a23~0 138)) (.cse0 (<= ~a25~0 10)) (.cse13 (<= ~a29~0 245)) (.cse7 (<= ~a29~0 599998)) (.cse1 (= ~a3~0 1)) (.cse8 (= 13 ~a25~0)) (.cse14 (<= 307 ~a23~0)) (.cse9 (<= (+ ~a29~0 22) 0)) (.cse5 (= ~a25~0 12)) (.cse4 (= ~a4~0 1)) (.cse3 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= (+ ~a29~0 21) 0) .cse5 .cse1 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3) (and .cse7 .cse0 .cse4 .cse3) (and .cse6 .cse8 .cse9 .cse10 .cse11 .cse3) (and .cse12 .cse7 .cse4 .cse3) (and .cse6 .cse9 .cse0 .cse3 (not (= ~a25~0 9))) (and .cse10 .cse11 .cse0 .cse1 .cse4 .cse3) (and .cse8 .cse13 .cse4 .cse3) (and (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277)) .cse7 .cse5 .cse1 .cse14 .cse4 .cse3) (and .cse12 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse0 (<= .cse15 0) .cse3) (and .cse6 .cse12 (<= ~a23~0 312) .cse7 .cse3) (and .cse6 .cse10 .cse0 .cse13 .cse3) (and .cse7 (or (and .cse8 .cse1) (and .cse8 .cse14)) .cse4 .cse3) (and .cse9 .cse5 .cse4 .cse3)))) [2021-12-15 22:38:09,017 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,017 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-15 22:38:09,017 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-15 22:38:09,017 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,017 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-15 22:38:09,018 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-15 22:38:09,019 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,019 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,019 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,019 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,019 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,019 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,019 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,020 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-15 22:38:09,021 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,022 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse11 (= 11 ~a25~0)) (.cse14 (<= ~a29~0 599999)) (.cse4 (= 0 ~a4~0)) (.cse12 (<= ~a29~0 245)) (.cse5 (<= ~a29~0 599998)) (.cse7 (= 13 ~a25~0)) (.cse13 (<= 307 ~a23~0)) (.cse9 (<= ~a23~0 138)) (.cse10 (< 0 .cse15)) (.cse6 (<= ~a25~0 10)) (.cse1 (= ~a3~0 1)) (.cse8 (<= (+ ~a29~0 22) 0)) (.cse0 (= ~a25~0 12)) (.cse3 (= ~a4~0 1)) (.cse2 (= ~a8~0 15))) (or (and (<= (+ ~a29~0 21) 0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2) (and .cse5 .cse6 .cse3 .cse2) (and .cse4 .cse7 .cse8 .cse9 .cse10 .cse2) (and .cse11 .cse5 .cse3 .cse2) (and .cse4 .cse8 .cse6 .cse2 (not (= ~a25~0 9))) (and .cse7 .cse12 .cse3 .cse2) (and (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277)) .cse5 .cse0 .cse1 .cse13 .cse3 .cse2) (and .cse11 .cse1 .cse14 .cse2 .cse3) (and .cse4 .cse5 .cse6 (<= .cse15 0) .cse2) (and .cse4 .cse11 (<= ~a23~0 312) .cse5 .cse2) (and .cse6 .cse1 .cse2 .cse3 .cse14) (and .cse4 .cse9 .cse6 .cse12 .cse2) (and .cse5 (or (and .cse7 .cse1) (and .cse7 .cse13)) .cse3 .cse2) (and .cse9 .cse10 .cse6 .cse1 .cse2 .cse3) (and .cse8 .cse0 .cse3 .cse2)))) [2021-12-15 22:38:09,022 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,022 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,022 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,022 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,022 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-15 22:38:09,023 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,024 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-15 22:38:09,025 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-15 22:38:09,026 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-15 22:38:09,027 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-15 22:38:09,027 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,027 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,027 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,027 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,027 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-15 22:38:09,027 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-15 22:38:09,028 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2021-12-15 22:38:09,029 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-15 22:38:09,030 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,031 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-15 22:38:09,032 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,033 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,034 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,035 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,035 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,035 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-15 22:38:09,035 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-15 22:38:09,035 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-15 22:38:09,035 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,035 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,036 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,036 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,036 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,036 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,036 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,036 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,036 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,037 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,037 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,037 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-15 22:38:09,037 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-15 22:38:09,037 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-15 22:38:09,037 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-15 22:38:09,038 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-15 22:38:09,038 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,038 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,038 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,038 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,039 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,039 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,039 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,039 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-15 22:38:09,039 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-15 22:38:09,040 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-15 22:38:09,040 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,040 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,040 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,040 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-15 22:38:09,040 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-15 22:38:09,041 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,041 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,041 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,041 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,041 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,041 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-15 22:38:09,041 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-15 22:38:09,042 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,042 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,042 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-15 22:38:09,042 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-15 22:38:09,042 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-15 22:38:09,043 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-15 22:38:09,044 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-15 22:38:09,044 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-15 22:38:09,044 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,044 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,044 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,044 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,045 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,045 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,045 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,045 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,045 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-15 22:38:09,045 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-15 22:38:09,045 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-15 22:38:09,046 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-15 22:38:09,046 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-15 22:38:09,046 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-15 22:38:09,046 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,046 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,046 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,046 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,047 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,048 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,048 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,048 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,048 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,048 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-15 22:38:09,048 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-15 22:38:09,048 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-15 22:38:09,049 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-15 22:38:09,050 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,050 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,050 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-15 22:38:09,050 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-15 22:38:09,050 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-15 22:38:09,050 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-15 22:38:09,053 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:38:09,054 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 22:38:09,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:38:09 BoogieIcfgContainer [2021-12-15 22:38:09,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 22:38:09,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 22:38:09,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 22:38:09,086 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 22:38:09,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:37:41" (3/4) ... [2021-12-15 22:38:09,089 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 22:38:09,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 22:38:09,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 22:38:09,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 22:38:09,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 22:38:09,254 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 22:38:09,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 22:38:09,255 INFO L158 Benchmark]: Toolchain (without parser) took 29692.50ms. Allocated memory was 144.7MB in the beginning and 641.7MB in the end (delta: 497.0MB). Free memory was 108.9MB in the beginning and 175.5MB in the end (delta: -66.6MB). Peak memory consumption was 430.9MB. Max. memory is 16.1GB. [2021-12-15 22:38:09,255 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 22:38:09,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.75ms. Allocated memory is still 144.7MB. Free memory was 108.9MB in the beginning and 84.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-12-15 22:38:09,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.95ms. Allocated memory is still 144.7MB. Free memory was 84.7MB in the beginning and 67.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 22:38:09,256 INFO L158 Benchmark]: Boogie Preprocessor took 97.65ms. Allocated memory is still 144.7MB. Free memory was 67.3MB in the beginning and 58.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 22:38:09,257 INFO L158 Benchmark]: RCFGBuilder took 1086.44ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 58.1MB in the beginning and 117.6MB in the end (delta: -59.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-12-15 22:38:09,257 INFO L158 Benchmark]: TraceAbstraction took 27535.30ms. Allocated memory was 197.1MB in the beginning and 641.7MB in the end (delta: 444.6MB). Free memory was 116.5MB in the beginning and 200.1MB in the end (delta: -83.7MB). Peak memory consumption was 422.3MB. Max. memory is 16.1GB. [2021-12-15 22:38:09,257 INFO L158 Benchmark]: Witness Printer took 168.16ms. Allocated memory is still 641.7MB. Free memory was 200.1MB in the beginning and 175.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 22:38:09,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.75ms. Allocated memory is still 144.7MB. Free memory was 108.9MB in the beginning and 84.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.95ms. Allocated memory is still 144.7MB. Free memory was 84.7MB in the beginning and 67.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.65ms. Allocated memory is still 144.7MB. Free memory was 67.3MB in the beginning and 58.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1086.44ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 58.1MB in the beginning and 117.6MB in the end (delta: -59.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 27535.30ms. Allocated memory was 197.1MB in the beginning and 641.7MB in the end (delta: 444.6MB). Free memory was 116.5MB in the beginning and 200.1MB in the end (delta: -83.7MB). Peak memory consumption was 422.3MB. Max. memory is 16.1GB. * Witness Printer took 168.16ms. Allocated memory is still 641.7MB. Free memory was 200.1MB in the beginning and 175.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 130]: 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: 27.5s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3977 SdHoareTripleChecker+Valid, 12.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3977 mSDsluCounter, 3476 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 449 mSDsCounter, 2359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13199 IncrementalHoareTripleChecker+Invalid, 15558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2359 mSolverCounterUnsat, 3027 mSDtfsCounter, 13199 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 927 GetRequests, 887 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10726occurred in iteration=16, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 11065 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 145 NumberOfFragments, 567 HoareAnnotationTreeSize, 3 FomulaSimplifications, 15440 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 29630 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 6684 NumberOfCodeBlocks, 6684 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 6986 ConstructedInterpolants, 0 QuantifiedInterpolants, 23416 SizeOfPredicates, 8 NumberOfNonLiveVariables, 785 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 8356/8561 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 Derived loop invariant: ((((((((((((((((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a8 == 15) && a4 == 1) || (((0 == a4 && a29 <= 599998) && a25 == 12) && a8 == 15)) || (((a29 <= 599998 && a25 <= 10) && a4 == 1) && a8 == 15)) || (((((0 == a4 && 13 == a25) && a29 + 22 <= 0) && a23 <= 138) && 0 < a23 + 43) && a8 == 15)) || (((11 == a25 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((0 == a4 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15) && !(a25 == 9))) || (((13 == a25 && a29 <= 245) && a4 == 1) && a8 == 15)) || (((((((!(input == 6) || a29 <= 277) && a29 <= 599998) && a25 == 12) && a3 == 1) && 307 <= a23) && a4 == 1) && a8 == 15)) || ((((11 == a25 && a3 == 1) && a29 <= 599999) && a8 == 15) && a4 == 1)) || ((((0 == a4 && a29 <= 599998) && a25 <= 10) && a23 + 43 <= 0) && a8 == 15)) || ((((0 == a4 && 11 == a25) && a23 <= 312) && a29 <= 599998) && a8 == 15)) || ((((a25 <= 10 && a3 == 1) && a8 == 15) && a4 == 1) && a29 <= 599999)) || ((((0 == a4 && a23 <= 138) && a25 <= 10) && a29 <= 245) && a8 == 15)) || (((a29 <= 599998 && ((13 == a25 && a3 == 1) || (13 == a25 && 307 <= a23))) && a4 == 1) && a8 == 15)) || (((((a23 <= 138 && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a8 == 15) && a4 == 1)) || (((a29 + 22 <= 0 && a25 == 12) && a4 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a3 == 1) && a29 <= 599999) && a8 == 15) && a4 == 1) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a8 == 15) && a4 == 1)) || (((0 == a4 && a29 <= 599998) && a25 == 12) && a8 == 15)) || (((a29 <= 599998 && a25 <= 10) && a4 == 1) && a8 == 15)) || (((((0 == a4 && 13 == a25) && a29 + 22 <= 0) && a23 <= 138) && 0 < a23 + 43) && a8 == 15)) || (((11 == a25 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((0 == a4 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15) && !(a25 == 9))) || (((((a23 <= 138 && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((13 == a25 && a29 <= 245) && a4 == 1) && a8 == 15)) || (((((((!(input == 6) || a29 <= 277) && a29 <= 599998) && a25 == 12) && a3 == 1) && 307 <= a23) && a4 == 1) && a8 == 15)) || ((((11 == a25 && a3 == 1) && a29 <= 599999) && a8 == 15) && a4 == 1)) || ((((0 == a4 && a29 <= 599998) && a25 <= 10) && a23 + 43 <= 0) && a8 == 15)) || ((((0 == a4 && 11 == a25) && a23 <= 312) && a29 <= 599998) && a8 == 15)) || ((((0 == a4 && a23 <= 138) && a25 <= 10) && a29 <= 245) && a8 == 15)) || (((a29 <= 599998 && ((13 == a25 && a3 == 1) || (13 == a25 && 307 <= a23))) && a4 == 1) && a8 == 15)) || (((a29 + 22 <= 0 && a25 == 12) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 22:38:09,303 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE