./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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/Problem03_label06.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 6d93a9e623cb03afea549977189ec6dbdf30760f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 19:46:44,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:46:44,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:46:44,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:46:44,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:46:44,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:46:44,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:46:44,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:46:44,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:46:44,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:46:44,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:46:44,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:46:44,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:46:44,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:46:44,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:46:44,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:46:44,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:46:44,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:46:44,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:46:44,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:46:44,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:46:44,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:46:44,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:46:44,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:46:44,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:46:44,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:46:44,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:46:44,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:46:44,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:46:44,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:46:44,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:46:44,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:46:44,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:46:44,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:46:44,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:46:44,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:46:44,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:46:44,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:46:44,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:46:44,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:46:44,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:46:44,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:46:44,348 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:46:44,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:46:44,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:46:44,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:46:44,352 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:46:44,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:46:44,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:46:44,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:46:44,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:46:44,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:46:44,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:46:44,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:46:44,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:46:44,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:46:44,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:46:44,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:46:44,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:46:44,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:46:44,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:46:44,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:46:44,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:46:44,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:46:44,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:46:44,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:46:44,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:46:44,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:46:44,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:46:44,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:46:44,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:46:44,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d93a9e623cb03afea549977189ec6dbdf30760f [2020-10-25 19:46:44,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:46:44,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:46:44,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:46:44,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:46:44,836 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:46:44,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2020-10-25 19:46:44,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f63f37c1/f03e8264c0094686a5013159423c412f/FLAG1575ecaae [2020-10-25 19:46:45,789 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:46:45,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2020-10-25 19:46:45,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f63f37c1/f03e8264c0094686a5013159423c412f/FLAG1575ecaae [2020-10-25 19:46:45,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f63f37c1/f03e8264c0094686a5013159423c412f [2020-10-25 19:46:45,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:46:45,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:46:45,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:46:45,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:46:45,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:46:45,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:46:45" (1/1) ... [2020-10-25 19:46:45,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d33a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:45, skipping insertion in model container [2020-10-25 19:46:45,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:46:45" (1/1) ... [2020-10-25 19:46:45,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:46:46,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:46:46,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:46:46,762 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:46:47,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:46:47,099 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:46:47,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47 WrapperNode [2020-10-25 19:46:47,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:46:47,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:46:47,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:46:47,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:46:47,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:46:47,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:46:47,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:46:47,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:46:47,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... [2020-10-25 19:46:47,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:46:47,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:46:47,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:46:47,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:46:47,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:46:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:46:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:46:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:46:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:46:49,462 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:46:49,463 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:46:49,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:49 BoogieIcfgContainer [2020-10-25 19:46:49,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:46:49,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:46:49,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:46:49,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:46:49,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:46:45" (1/3) ... [2020-10-25 19:46:49,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba281db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:46:49, skipping insertion in model container [2020-10-25 19:46:49,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:47" (2/3) ... [2020-10-25 19:46:49,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba281db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:46:49, skipping insertion in model container [2020-10-25 19:46:49,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:49" (3/3) ... [2020-10-25 19:46:49,475 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label06.c [2020-10-25 19:46:49,488 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:46:49,493 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:46:49,507 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:46:49,537 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:46:49,537 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:46:49,537 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:46:49,538 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:46:49,538 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:46:49,538 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:46:49,538 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:46:49,539 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:46:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-10-25 19:46:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-25 19:46:49,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:49,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:49,577 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:49,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:49,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1533533723, now seen corresponding path program 1 times [2020-10-25 19:46:49,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:49,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175165318] [2020-10-25 19:46:49,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:50,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175165318] [2020-10-25 19:46:50,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:50,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:50,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755745472] [2020-10-25 19:46:50,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:50,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:50,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:50,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:50,369 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-10-25 19:46:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:51,764 INFO L93 Difference]: Finished difference Result 856 states and 1497 transitions. [2020-10-25 19:46:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:51,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-10-25 19:46:51,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:51,785 INFO L225 Difference]: With dead ends: 856 [2020-10-25 19:46:51,785 INFO L226 Difference]: Without dead ends: 460 [2020-10-25 19:46:51,791 INFO L677 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 [2020-10-25 19:46:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-25 19:46:51,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2020-10-25 19:46:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-25 19:46:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2020-10-25 19:46:51,869 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 169 [2020-10-25 19:46:51,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:51,870 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2020-10-25 19:46:51,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2020-10-25 19:46:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-25 19:46:51,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:51,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:51,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:46:51,877 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:51,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:51,878 INFO L82 PathProgramCache]: Analyzing trace with hash -703692535, now seen corresponding path program 1 times [2020-10-25 19:46:51,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:51,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730909899] [2020-10-25 19:46:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:52,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730909899] [2020-10-25 19:46:52,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:52,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:52,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396594232] [2020-10-25 19:46:52,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:52,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:52,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:52,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:52,041 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand 3 states. [2020-10-25 19:46:52,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:52,510 INFO L93 Difference]: Finished difference Result 1357 states and 2104 transitions. [2020-10-25 19:46:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:52,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-10-25 19:46:52,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:52,517 INFO L225 Difference]: With dead ends: 1357 [2020-10-25 19:46:52,517 INFO L226 Difference]: Without dead ends: 900 [2020-10-25 19:46:52,520 INFO L677 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 [2020-10-25 19:46:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-25 19:46:52,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 897. [2020-10-25 19:46:52,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-10-25 19:46:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1391 transitions. [2020-10-25 19:46:52,580 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1391 transitions. Word has length 174 [2020-10-25 19:46:52,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:52,580 INFO L481 AbstractCegarLoop]: Abstraction has 897 states and 1391 transitions. [2020-10-25 19:46:52,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1391 transitions. [2020-10-25 19:46:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-25 19:46:52,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:52,585 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:52,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:46:52,586 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:52,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:52,587 INFO L82 PathProgramCache]: Analyzing trace with hash 38709530, now seen corresponding path program 1 times [2020-10-25 19:46:52,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:52,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120774674] [2020-10-25 19:46:52,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:52,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120774674] [2020-10-25 19:46:52,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:52,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:52,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896292224] [2020-10-25 19:46:52,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:52,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:52,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:52,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:52,721 INFO L87 Difference]: Start difference. First operand 897 states and 1391 transitions. Second operand 3 states. [2020-10-25 19:46:54,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:54,126 INFO L93 Difference]: Finished difference Result 2646 states and 4125 transitions. [2020-10-25 19:46:54,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:54,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-10-25 19:46:54,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:54,141 INFO L225 Difference]: With dead ends: 2646 [2020-10-25 19:46:54,142 INFO L226 Difference]: Without dead ends: 1751 [2020-10-25 19:46:54,144 INFO L677 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 [2020-10-25 19:46:54,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2020-10-25 19:46:54,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1720. [2020-10-25 19:46:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2020-10-25 19:46:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2612 transitions. [2020-10-25 19:46:54,191 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2612 transitions. Word has length 177 [2020-10-25 19:46:54,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:54,192 INFO L481 AbstractCegarLoop]: Abstraction has 1720 states and 2612 transitions. [2020-10-25 19:46:54,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2612 transitions. [2020-10-25 19:46:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-25 19:46:54,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:54,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:54,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:46:54,198 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:54,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:54,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1648918409, now seen corresponding path program 1 times [2020-10-25 19:46:54,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:54,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483811234] [2020-10-25 19:46:54,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:54,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483811234] [2020-10-25 19:46:54,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:54,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:54,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500019718] [2020-10-25 19:46:54,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:54,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:54,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:54,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:54,315 INFO L87 Difference]: Start difference. First operand 1720 states and 2612 transitions. Second operand 3 states. [2020-10-25 19:46:55,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:55,677 INFO L93 Difference]: Finished difference Result 5112 states and 7783 transitions. [2020-10-25 19:46:55,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:55,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-10-25 19:46:55,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:55,696 INFO L225 Difference]: With dead ends: 5112 [2020-10-25 19:46:55,696 INFO L226 Difference]: Without dead ends: 3394 [2020-10-25 19:46:55,700 INFO L677 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 [2020-10-25 19:46:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2020-10-25 19:46:55,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3376. [2020-10-25 19:46:55,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3376 states. [2020-10-25 19:46:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4884 transitions. [2020-10-25 19:46:55,784 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4884 transitions. Word has length 183 [2020-10-25 19:46:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:55,784 INFO L481 AbstractCegarLoop]: Abstraction has 3376 states and 4884 transitions. [2020-10-25 19:46:55,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4884 transitions. [2020-10-25 19:46:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-25 19:46:55,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:55,791 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:55,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:46:55,792 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:55,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:55,792 INFO L82 PathProgramCache]: Analyzing trace with hash -791588388, now seen corresponding path program 1 times [2020-10-25 19:46:55,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:55,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348679386] [2020-10-25 19:46:55,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-25 19:46:55,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348679386] [2020-10-25 19:46:55,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:55,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:46:55,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016681995] [2020-10-25 19:46:55,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:55,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:55,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:55,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:55,934 INFO L87 Difference]: Start difference. First operand 3376 states and 4884 transitions. Second operand 3 states. [2020-10-25 19:46:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:57,237 INFO L93 Difference]: Finished difference Result 10045 states and 14562 transitions. [2020-10-25 19:46:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:57,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-10-25 19:46:57,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:57,272 INFO L225 Difference]: With dead ends: 10045 [2020-10-25 19:46:57,272 INFO L226 Difference]: Without dead ends: 6671 [2020-10-25 19:46:57,279 INFO L677 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 [2020-10-25 19:46:57,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2020-10-25 19:46:57,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 6630. [2020-10-25 19:46:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6630 states. [2020-10-25 19:46:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6630 states to 6630 states and 9372 transitions. [2020-10-25 19:46:57,486 INFO L78 Accepts]: Start accepts. Automaton has 6630 states and 9372 transitions. Word has length 191 [2020-10-25 19:46:57,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:57,486 INFO L481 AbstractCegarLoop]: Abstraction has 6630 states and 9372 transitions. [2020-10-25 19:46:57,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:57,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6630 states and 9372 transitions. [2020-10-25 19:46:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-25 19:46:57,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:57,498 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:57,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:46:57,499 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:57,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:57,499 INFO L82 PathProgramCache]: Analyzing trace with hash -537647806, now seen corresponding path program 1 times [2020-10-25 19:46:57,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:57,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520421603] [2020-10-25 19:46:57,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-25 19:46:57,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520421603] [2020-10-25 19:46:57,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:57,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:46:57,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350754170] [2020-10-25 19:46:57,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:57,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:57,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:57,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:57,592 INFO L87 Difference]: Start difference. First operand 6630 states and 9372 transitions. Second operand 3 states. [2020-10-25 19:46:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:58,821 INFO L93 Difference]: Finished difference Result 13247 states and 18733 transitions. [2020-10-25 19:46:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:58,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-10-25 19:46:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:58,851 INFO L225 Difference]: With dead ends: 13247 [2020-10-25 19:46:58,851 INFO L226 Difference]: Without dead ends: 6619 [2020-10-25 19:46:58,860 INFO L677 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 [2020-10-25 19:46:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6619 states. [2020-10-25 19:46:58,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6619 to 6605. [2020-10-25 19:46:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6605 states. [2020-10-25 19:46:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6605 states to 6605 states and 8931 transitions. [2020-10-25 19:46:59,010 INFO L78 Accepts]: Start accepts. Automaton has 6605 states and 8931 transitions. Word has length 197 [2020-10-25 19:46:59,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:59,011 INFO L481 AbstractCegarLoop]: Abstraction has 6605 states and 8931 transitions. [2020-10-25 19:46:59,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 6605 states and 8931 transitions. [2020-10-25 19:46:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-25 19:46:59,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:59,021 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:59,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:46:59,021 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:59,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:59,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1227783501, now seen corresponding path program 1 times [2020-10-25 19:46:59,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:59,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932775470] [2020-10-25 19:46:59,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-25 19:46:59,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932775470] [2020-10-25 19:46:59,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:59,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:59,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951310076] [2020-10-25 19:46:59,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:59,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:59,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:59,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:59,150 INFO L87 Difference]: Start difference. First operand 6605 states and 8931 transitions. Second operand 3 states. [2020-10-25 19:47:00,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:47:00,420 INFO L93 Difference]: Finished difference Result 19095 states and 25790 transitions. [2020-10-25 19:47:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:47:00,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-10-25 19:47:00,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:47:00,482 INFO L225 Difference]: With dead ends: 19095 [2020-10-25 19:47:00,482 INFO L226 Difference]: Without dead ends: 12492 [2020-10-25 19:47:00,493 INFO L677 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 [2020-10-25 19:47:00,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12492 states. [2020-10-25 19:47:00,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12492 to 12492. [2020-10-25 19:47:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12492 states. [2020-10-25 19:47:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12492 states to 12492 states and 15309 transitions. [2020-10-25 19:47:00,772 INFO L78 Accepts]: Start accepts. Automaton has 12492 states and 15309 transitions. Word has length 197 [2020-10-25 19:47:00,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:47:00,774 INFO L481 AbstractCegarLoop]: Abstraction has 12492 states and 15309 transitions. [2020-10-25 19:47:00,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:47:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12492 states and 15309 transitions. [2020-10-25 19:47:00,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-25 19:47:00,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:47:00,788 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:47:00,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 19:47:00,789 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:47:00,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:47:00,789 INFO L82 PathProgramCache]: Analyzing trace with hash -469873753, now seen corresponding path program 1 times [2020-10-25 19:47:00,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:47:00,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357943135] [2020-10-25 19:47:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:47:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:47:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-25 19:47:00,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357943135] [2020-10-25 19:47:00,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:47:00,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:47:00,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769412285] [2020-10-25 19:47:00,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:47:00,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:47:00,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:47:00,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:47:00,935 INFO L87 Difference]: Start difference. First operand 12492 states and 15309 transitions. Second operand 3 states. [2020-10-25 19:47:02,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:47:02,288 INFO L93 Difference]: Finished difference Result 26630 states and 32845 transitions. [2020-10-25 19:47:02,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:47:02,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-10-25 19:47:02,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:47:02,319 INFO L225 Difference]: With dead ends: 26630 [2020-10-25 19:47:02,319 INFO L226 Difference]: Without dead ends: 14140 [2020-10-25 19:47:02,336 INFO L677 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 [2020-10-25 19:47:02,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14140 states. [2020-10-25 19:47:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14140 to 14132. [2020-10-25 19:47:02,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-10-25 19:47:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 17396 transitions. [2020-10-25 19:47:02,571 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 17396 transitions. Word has length 204 [2020-10-25 19:47:02,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:47:02,571 INFO L481 AbstractCegarLoop]: Abstraction has 14132 states and 17396 transitions. [2020-10-25 19:47:02,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:47:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 17396 transitions. [2020-10-25 19:47:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-25 19:47:02,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:47:02,588 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:47:02,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:47:02,589 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:47:02,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:47:02,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1303373829, now seen corresponding path program 1 times [2020-10-25 19:47:02,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:47:02,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161615264] [2020-10-25 19:47:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:47:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:47:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-25 19:47:02,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161615264] [2020-10-25 19:47:02,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:47:02,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:47:02,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328209583] [2020-10-25 19:47:02,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:47:02,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:47:02,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:47:02,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:47:02,775 INFO L87 Difference]: Start difference. First operand 14132 states and 17396 transitions. Second operand 3 states. [2020-10-25 19:47:04,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:47:04,071 INFO L93 Difference]: Finished difference Result 30726 states and 37909 transitions. [2020-10-25 19:47:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:47:04,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-25 19:47:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:47:04,103 INFO L225 Difference]: With dead ends: 30726 [2020-10-25 19:47:04,103 INFO L226 Difference]: Without dead ends: 16596 [2020-10-25 19:47:04,119 INFO L677 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 [2020-10-25 19:47:04,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16596 states. [2020-10-25 19:47:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16596 to 16568. [2020-10-25 19:47:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16568 states. [2020-10-25 19:47:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16568 states to 16568 states and 20167 transitions. [2020-10-25 19:47:04,444 INFO L78 Accepts]: Start accepts. Automaton has 16568 states and 20167 transitions. Word has length 217 [2020-10-25 19:47:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:47:04,444 INFO L481 AbstractCegarLoop]: Abstraction has 16568 states and 20167 transitions. [2020-10-25 19:47:04,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:47:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 16568 states and 20167 transitions. [2020-10-25 19:47:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-25 19:47:04,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:47:04,461 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:47:04,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 19:47:04,461 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:47:04,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:47:04,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1040699516, now seen corresponding path program 1 times [2020-10-25 19:47:04,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:47:04,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110871330] [2020-10-25 19:47:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:47:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:47:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:47:04,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110871330] [2020-10-25 19:47:04,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:47:04,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:47:04,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613901569] [2020-10-25 19:47:04,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:47:04,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:47:04,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:47:04,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:47:04,605 INFO L87 Difference]: Start difference. First operand 16568 states and 20167 transitions. Second operand 4 states. [2020-10-25 19:47:06,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:47:06,575 INFO L93 Difference]: Finished difference Result 34806 states and 42511 transitions. [2020-10-25 19:47:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:47:06,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2020-10-25 19:47:06,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:47:06,621 INFO L225 Difference]: With dead ends: 34806 [2020-10-25 19:47:06,622 INFO L226 Difference]: Without dead ends: 18240 [2020-10-25 19:47:06,640 INFO L677 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 [2020-10-25 19:47:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18240 states. [2020-10-25 19:47:06,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18240 to 15959. [2020-10-25 19:47:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15959 states. [2020-10-25 19:47:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15959 states to 15959 states and 19337 transitions. [2020-10-25 19:47:06,903 INFO L78 Accepts]: Start accepts. Automaton has 15959 states and 19337 transitions. Word has length 220 [2020-10-25 19:47:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:47:06,903 INFO L481 AbstractCegarLoop]: Abstraction has 15959 states and 19337 transitions. [2020-10-25 19:47:06,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:47:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 15959 states and 19337 transitions. [2020-10-25 19:47:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-25 19:47:06,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:47:06,922 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:47:06,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 19:47:06,923 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:47:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:47:06,923 INFO L82 PathProgramCache]: Analyzing trace with hash -756661967, now seen corresponding path program 1 times [2020-10-25 19:47:06,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:47:06,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079382830] [2020-10-25 19:47:06,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:47:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:47:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-25 19:47:07,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079382830] [2020-10-25 19:47:07,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197974385] [2020-10-25 19:47:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:47:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:47:07,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:47:07,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:47:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-25 19:47:07,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:47:07,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:47:07,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023577333] [2020-10-25 19:47:07,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:47:07,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:47:07,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:47:07,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:47:07,657 INFO L87 Difference]: Start difference. First operand 15959 states and 19337 transitions. Second operand 3 states. [2020-10-25 19:47:09,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:47:09,119 INFO L93 Difference]: Finished difference Result 39228 states and 48134 transitions. [2020-10-25 19:47:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:47:09,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-10-25 19:47:09,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:47:09,121 INFO L225 Difference]: With dead ends: 39228 [2020-10-25 19:47:09,121 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:47:09,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:47:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:47:09,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:47:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:47:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:47:09,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-10-25 19:47:09,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:47:09,138 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:47:09,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:47:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:47:09,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:47:09,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-25 19:47:09,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:47:09,517 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-25 19:47:09,518 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,519 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,520 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-25 19:47:09,521 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,522 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-25 19:47:09,523 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,524 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,525 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,526 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-25 19:47:09,527 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,528 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-25 19:47:09,529 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,530 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:47:09,531 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:47:09,532 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,533 INFO L270 CegarLoopResult]: At program point L1651(lines 56 1652) the Hoare annotation is: (let ((.cse0 (= ~a12~0 0))) (or (= ~a12~0 1) (and (= ~a26~0 1) .cse0) (and (<= 2 ~a3~0) .cse0) (and (= ~a1~0 1) .cse0 (= ~a3~0 1)) (and (= ~a27~0 1) .cse0))) [2020-10-25 19:47:09,533 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,533 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L277 CegarLoopResult]: At program point L1654(lines 1654 1671) the Hoare annotation is: true [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,534 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,535 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,535 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,535 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-25 19:47:09,535 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-25 19:47:09,535 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,536 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-25 19:47:09,537 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-25 19:47:09,537 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,537 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,537 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-25 19:47:09,537 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-25 19:47:09,537 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (= ~a12~0 0))) (or (= ~a12~0 1) (and (= ~a26~0 1) .cse0) (and (<= 2 ~a3~0) .cse0) (and (= ~a1~0 1) .cse0 (= ~a3~0 1)) (and (= ~a27~0 1) .cse0))) [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,538 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-25 19:47:09,539 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-25 19:47:09,540 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-25 19:47:09,541 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,542 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-25 19:47:09,543 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-25 19:47:09,544 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-25 19:47:09,544 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,545 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,545 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,545 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,545 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,545 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,545 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,546 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-25 19:47:09,546 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-25 19:47:09,546 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,548 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-25 19:47:09,548 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-25 19:47:09,548 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-25 19:47:09,548 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,548 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,548 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,548 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-25 19:47:09,549 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-25 19:47:09,550 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,551 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,552 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:47:09,552 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-25 19:47:09,552 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-25 19:47:09,552 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-25 19:47:09,552 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,552 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-25 19:47:09,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:47:09 BoogieIcfgContainer [2020-10-25 19:47:09,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:47:09,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:47:09,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:47:09,579 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:47:09,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:49" (3/4) ... [2020-10-25 19:47:09,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:47:09,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:47:09,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:47:09,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:47:09,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:47:10,018 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:47:10,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:47:10,021 INFO L168 Benchmark]: Toolchain (without parser) took 24107.92 ms. Allocated memory was 41.9 MB in the beginning and 801.1 MB in the end (delta: 759.2 MB). Free memory was 25.5 MB in the beginning and 637.2 MB in the end (delta: -611.6 MB). Peak memory consumption was 555.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:47:10,021 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory is still 29.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:47:10,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1182.47 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 20.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:47:10,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.17 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 20.3 MB in the beginning and 28.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:47:10,023 INFO L168 Benchmark]: Boogie Preprocessor took 149.17 ms. Allocated memory is still 67.1 MB. Free memory was 28.0 MB in the beginning and 25.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:47:10,023 INFO L168 Benchmark]: RCFGBuilder took 2051.24 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 25.4 MB in the beginning and 41.5 MB in the end (delta: -16.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:47:10,023 INFO L168 Benchmark]: TraceAbstraction took 20111.04 ms. Allocated memory was 125.8 MB in the beginning and 801.1 MB in the end (delta: 675.3 MB). Free memory was 41.5 MB in the beginning and 245.4 MB in the end (delta: -203.9 MB). Peak memory consumption was 471.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:47:10,024 INFO L168 Benchmark]: Witness Printer took 439.59 ms. Allocated memory is still 801.1 MB. Free memory was 245.4 MB in the beginning and 637.2 MB in the end (delta: -391.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-10-25 19:47:10,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 41.9 MB. Free memory is still 29.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1182.47 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 20.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 162.17 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 20.3 MB in the beginning and 28.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.17 ms. Allocated memory is still 67.1 MB. Free memory was 28.0 MB in the beginning and 25.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2051.24 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 25.4 MB in the beginning and 41.5 MB in the end (delta: -16.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20111.04 ms. Allocated memory was 125.8 MB in the beginning and 801.1 MB in the end (delta: 675.3 MB). Free memory was 41.5 MB in the beginning and 245.4 MB in the end (delta: -203.9 MB). Peak memory consumption was 471.4 MB. Max. memory is 16.1 GB. * Witness Printer took 439.59 ms. Allocated memory is still 801.1 MB. Free memory was 245.4 MB in the beginning and 637.2 MB in the end (delta: -391.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((a12 == 1 || (a26 == 1 && a12 == 0)) || (2 <= a3 && a12 == 0)) || ((a1 == 1 && a12 == 0) && a3 == 1)) || (a27 == 1 && a12 == 0) - InvariantResult [Line: 1654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: (((a12 == 1 || (a26 == 1 && a12 == 0)) || (2 <= a3 && a12 == 0)) || ((a1 == 1 && a12 == 0) && a3 == 1)) || (a27 == 1 && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.8s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2783 SDtfs, 2597 SDslu, 538 SDs, 0 SdLazy, 6789 SolverSat, 1375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16568occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 2425 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 183 NumberOfFragments, 71 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2118 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2383 NumberOfCodeBlocks, 2383 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2371 ConstructedInterpolants, 0 QuantifiedInterpolants, 760281 SizeOfPredicates, 1 NumberOfNonLiveVariables, 480 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 544/550 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...