./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label04.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/Problem01_label04.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 1a0c03167c87575a9b25608a5584f0444decee5b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:43:41,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:43:41,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:43:41,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:43:41,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:43:41,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:43:41,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:43:41,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:43:41,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:43:41,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:43:41,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:43:41,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:43:41,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:43:41,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:43:41,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:43:41,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:43:41,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:43:41,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:43:41,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:43:41,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:43:41,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:43:41,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:43:41,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:43:41,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:43:41,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:43:41,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:43:41,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:43:41,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:43:41,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:43:41,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:43:41,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:43:41,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:43:41,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:43:41,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:43:41,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:43:41,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:43:41,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:43:41,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:43:41,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:43:41,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:43:41,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:43:41,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:43:42,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:43:42,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:43:42,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:43:42,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:43:42,039 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:43:42,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:43:42,039 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:43:42,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:43:42,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:43:42,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:43:42,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:43:42,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:43:42,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:43:42,043 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:43:42,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:43:42,043 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:43:42,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:43:42,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:43:42,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:43:42,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:43:42,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:43:42,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:43:42,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:43:42,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:43:42,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:43:42,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:43:42,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:43:42,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:43:42,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:43:42,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0c03167c87575a9b25608a5584f0444decee5b [2020-10-25 19:43:42,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:43:42,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:43:42,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:43:42,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:43:42,492 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:43:42,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-10-25 19:43:42,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58602633c/d62021d264274bc7a3c26996a47430a4/FLAG088feebe2 [2020-10-25 19:43:43,446 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:43:43,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-10-25 19:43:43,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58602633c/d62021d264274bc7a3c26996a47430a4/FLAG088feebe2 [2020-10-25 19:43:43,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58602633c/d62021d264274bc7a3c26996a47430a4 [2020-10-25 19:43:43,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:43:43,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:43:43,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:43:43,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:43:43,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:43:43,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:43:43" (1/1) ... [2020-10-25 19:43:43,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e41f61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:43, skipping insertion in model container [2020-10-25 19:43:43,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:43:43" (1/1) ... [2020-10-25 19:43:43,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:43:43,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:43:44,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:43:44,348 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:43:44,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:43:44,551 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:43:44,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44 WrapperNode [2020-10-25 19:43:44,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:43:44,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:43:44,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:43:44,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:43:44,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:43:44,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:43:44,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:43:44,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:43:44,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (1/1) ... [2020-10-25 19:43:44,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:43:44,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:43:44,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:43:44,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:43:44,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (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 19:43:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:43:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:43:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:43:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:43:46,128 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:43:46,128 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:43:46,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:46 BoogieIcfgContainer [2020-10-25 19:43:46,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:43:46,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:43:46,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:43:46,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:43:46,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:43:43" (1/3) ... [2020-10-25 19:43:46,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9252fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:43:46, skipping insertion in model container [2020-10-25 19:43:46,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:44" (2/3) ... [2020-10-25 19:43:46,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9252fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:43:46, skipping insertion in model container [2020-10-25 19:43:46,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:46" (3/3) ... [2020-10-25 19:43:46,140 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label04.c [2020-10-25 19:43:46,153 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:43:46,159 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:43:46,172 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:43:46,205 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:43:46,205 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:43:46,205 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:43:46,205 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:43:46,206 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:43:46,206 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:43:46,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:43:46,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:43:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-25 19:43:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-25 19:43:46,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:46,239 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] [2020-10-25 19:43:46,239 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:46,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:46,246 INFO L82 PathProgramCache]: Analyzing trace with hash 857742575, now seen corresponding path program 1 times [2020-10-25 19:43:46,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:46,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394473658] [2020-10-25 19:43:46,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:46,795 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 19:43:46,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394473658] [2020-10-25 19:43:46,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:46,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:46,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14522391] [2020-10-25 19:43:46,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:46,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:46,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:46,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:46,832 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-25 19:43:47,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:47,727 INFO L93 Difference]: Finished difference Result 554 states and 941 transitions. [2020-10-25 19:43:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:47,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-10-25 19:43:47,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:47,746 INFO L225 Difference]: With dead ends: 554 [2020-10-25 19:43:47,747 INFO L226 Difference]: Without dead ends: 266 [2020-10-25 19:43:47,752 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 19:43:47,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-25 19:43:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-25 19:43:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-25 19:43:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-10-25 19:43:47,827 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 96 [2020-10-25 19:43:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:47,829 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-10-25 19:43:47,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-10-25 19:43:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-25 19:43:47,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:47,839 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-25 19:43:47,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:43:47,839 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:47,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:47,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1186737924, now seen corresponding path program 1 times [2020-10-25 19:43:47,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:47,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739950459] [2020-10-25 19:43:47,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:47,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739950459] [2020-10-25 19:43:47,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:47,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:47,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346896243] [2020-10-25 19:43:47,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:47,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:47,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:47,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:47,969 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-10-25 19:43:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:48,640 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-10-25 19:43:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:48,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-10-25 19:43:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:48,652 INFO L225 Difference]: With dead ends: 792 [2020-10-25 19:43:48,652 INFO L226 Difference]: Without dead ends: 528 [2020-10-25 19:43:48,655 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 19:43:48,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-25 19:43:48,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-10-25 19:43:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-25 19:43:48,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2020-10-25 19:43:48,695 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 102 [2020-10-25 19:43:48,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:48,696 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2020-10-25 19:43:48,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2020-10-25 19:43:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-25 19:43:48,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:48,701 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-25 19:43:48,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:43:48,701 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:48,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:48,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1212901892, now seen corresponding path program 1 times [2020-10-25 19:43:48,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:48,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119258266] [2020-10-25 19:43:48,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-25 19:43:48,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119258266] [2020-10-25 19:43:48,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:48,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:48,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462322760] [2020-10-25 19:43:48,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:48,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:48,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:48,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:48,889 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand 3 states. [2020-10-25 19:43:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:49,523 INFO L93 Difference]: Finished difference Result 1578 states and 2122 transitions. [2020-10-25 19:43:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:49,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-25 19:43:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:49,532 INFO L225 Difference]: With dead ends: 1578 [2020-10-25 19:43:49,533 INFO L226 Difference]: Without dead ends: 1052 [2020-10-25 19:43:49,535 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 19:43:49,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-25 19:43:49,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-10-25 19:43:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-25 19:43:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1365 transitions. [2020-10-25 19:43:49,619 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1365 transitions. Word has length 103 [2020-10-25 19:43:49,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:49,620 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1365 transitions. [2020-10-25 19:43:49,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1365 transitions. [2020-10-25 19:43:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-25 19:43:49,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:49,638 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2020-10-25 19:43:49,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:43:49,641 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:49,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:49,642 INFO L82 PathProgramCache]: Analyzing trace with hash -295832496, now seen corresponding path program 1 times [2020-10-25 19:43:49,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:49,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777838539] [2020-10-25 19:43:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-25 19:43:49,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777838539] [2020-10-25 19:43:49,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:49,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:49,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798948414] [2020-10-25 19:43:49,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:49,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:49,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:49,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:49,749 INFO L87 Difference]: Start difference. First operand 1052 states and 1365 transitions. Second operand 3 states. [2020-10-25 19:43:50,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:50,399 INFO L93 Difference]: Finished difference Result 2888 states and 3762 transitions. [2020-10-25 19:43:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:50,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-10-25 19:43:50,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:50,409 INFO L225 Difference]: With dead ends: 2888 [2020-10-25 19:43:50,409 INFO L226 Difference]: Without dead ends: 1838 [2020-10-25 19:43:50,412 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 19:43:50,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-10-25 19:43:50,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-10-25 19:43:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-25 19:43:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1646 transitions. [2020-10-25 19:43:50,480 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1646 transitions. Word has length 116 [2020-10-25 19:43:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:50,481 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1646 transitions. [2020-10-25 19:43:50,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1646 transitions. [2020-10-25 19:43:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-25 19:43:50,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:50,488 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-25 19:43:50,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:43:50,489 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:50,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1066815200, now seen corresponding path program 1 times [2020-10-25 19:43:50,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:50,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910771180] [2020-10-25 19:43:50,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:50,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910771180] [2020-10-25 19:43:50,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:50,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:50,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470880857] [2020-10-25 19:43:50,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:50,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:50,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:50,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:50,610 INFO L87 Difference]: Start difference. First operand 1314 states and 1646 transitions. Second operand 3 states. [2020-10-25 19:43:51,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:51,234 INFO L93 Difference]: Finished difference Result 3936 states and 4933 transitions. [2020-10-25 19:43:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:51,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-25 19:43:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:51,249 INFO L225 Difference]: With dead ends: 3936 [2020-10-25 19:43:51,250 INFO L226 Difference]: Without dead ends: 2624 [2020-10-25 19:43:51,252 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 19:43:51,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-10-25 19:43:51,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2020-10-25 19:43:51,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-25 19:43:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2725 transitions. [2020-10-25 19:43:51,313 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2725 transitions. Word has length 119 [2020-10-25 19:43:51,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:51,313 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2725 transitions. [2020-10-25 19:43:51,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2725 transitions. [2020-10-25 19:43:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-25 19:43:51,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:51,319 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-25 19:43:51,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:43:51,320 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:51,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:51,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1219850033, now seen corresponding path program 1 times [2020-10-25 19:43:51,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:51,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367601877] [2020-10-25 19:43:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:51,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367601877] [2020-10-25 19:43:51,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:51,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:51,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463888555] [2020-10-25 19:43:51,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:43:51,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:51,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:43:51,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:43:51,473 INFO L87 Difference]: Start difference. First operand 2231 states and 2725 transitions. Second operand 4 states. [2020-10-25 19:43:52,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:52,471 INFO L93 Difference]: Finished difference Result 4853 states and 5865 transitions. [2020-10-25 19:43:52,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:43:52,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-10-25 19:43:52,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:52,489 INFO L225 Difference]: With dead ends: 4853 [2020-10-25 19:43:52,490 INFO L226 Difference]: Without dead ends: 2755 [2020-10-25 19:43:52,493 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 19:43:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-10-25 19:43:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2362. [2020-10-25 19:43:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-25 19:43:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2850 transitions. [2020-10-25 19:43:52,560 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2850 transitions. Word has length 122 [2020-10-25 19:43:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:52,565 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2850 transitions. [2020-10-25 19:43:52,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:43:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2850 transitions. [2020-10-25 19:43:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-25 19:43:52,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:52,572 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:52,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:43:52,574 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:52,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:52,575 INFO L82 PathProgramCache]: Analyzing trace with hash -846357418, now seen corresponding path program 1 times [2020-10-25 19:43:52,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:52,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477191494] [2020-10-25 19:43:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-25 19:43:52,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477191494] [2020-10-25 19:43:52,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:52,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:52,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779649218] [2020-10-25 19:43:52,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:52,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:52,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:52,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:52,674 INFO L87 Difference]: Start difference. First operand 2362 states and 2850 transitions. Second operand 3 states. [2020-10-25 19:43:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:53,235 INFO L93 Difference]: Finished difference Result 4853 states and 5829 transitions. [2020-10-25 19:43:53,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:53,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-25 19:43:53,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:53,247 INFO L225 Difference]: With dead ends: 4853 [2020-10-25 19:43:53,247 INFO L226 Difference]: Without dead ends: 2362 [2020-10-25 19:43:53,252 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 19:43:53,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-25 19:43:53,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-10-25 19:43:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-25 19:43:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2637 transitions. [2020-10-25 19:43:53,303 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2637 transitions. Word has length 123 [2020-10-25 19:43:53,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:53,303 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2637 transitions. [2020-10-25 19:43:53,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2637 transitions. [2020-10-25 19:43:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-25 19:43:53,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:53,309 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:53,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 19:43:53,310 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:53,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:53,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1029766820, now seen corresponding path program 1 times [2020-10-25 19:43:53,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:53,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108205145] [2020-10-25 19:43:53,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-25 19:43:53,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108205145] [2020-10-25 19:43:53,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:53,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:53,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581265152] [2020-10-25 19:43:53,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:53,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:53,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:53,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:53,406 INFO L87 Difference]: Start difference. First operand 2362 states and 2637 transitions. Second operand 3 states. [2020-10-25 19:43:53,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:53,871 INFO L93 Difference]: Finished difference Result 4591 states and 5134 transitions. [2020-10-25 19:43:53,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:53,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-25 19:43:53,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:53,883 INFO L225 Difference]: With dead ends: 4591 [2020-10-25 19:43:53,884 INFO L226 Difference]: Without dead ends: 2362 [2020-10-25 19:43:53,888 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 19:43:53,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-25 19:43:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-10-25 19:43:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-25 19:43:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2594 transitions. [2020-10-25 19:43:53,936 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2594 transitions. Word has length 127 [2020-10-25 19:43:53,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:53,937 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2594 transitions. [2020-10-25 19:43:53,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2594 transitions. [2020-10-25 19:43:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-25 19:43:53,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:53,942 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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] [2020-10-25 19:43:53,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:43:53,943 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:53,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:53,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1135125440, now seen corresponding path program 1 times [2020-10-25 19:43:53,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:53,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372858145] [2020-10-25 19:43:53,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-25 19:43:53,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372858145] [2020-10-25 19:43:53,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:53,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:53,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281848357] [2020-10-25 19:43:53,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:53,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:53,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:53,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:53,999 INFO L87 Difference]: Start difference. First operand 2362 states and 2594 transitions. Second operand 3 states. [2020-10-25 19:43:54,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:54,631 INFO L93 Difference]: Finished difference Result 5377 states and 5944 transitions. [2020-10-25 19:43:54,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:54,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-25 19:43:54,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:54,650 INFO L225 Difference]: With dead ends: 5377 [2020-10-25 19:43:54,650 INFO L226 Difference]: Without dead ends: 3148 [2020-10-25 19:43:54,657 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 19:43:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-25 19:43:54,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-10-25 19:43:54,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-25 19:43:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3345 transitions. [2020-10-25 19:43:54,751 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3345 transitions. Word has length 136 [2020-10-25 19:43:54,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:54,751 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3345 transitions. [2020-10-25 19:43:54,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3345 transitions. [2020-10-25 19:43:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-25 19:43:54,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:54,762 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 19:43:54,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 19:43:54,770 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:54,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:54,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1637391207, now seen corresponding path program 1 times [2020-10-25 19:43:54,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:54,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768673856] [2020-10-25 19:43:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-25 19:43:54,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768673856] [2020-10-25 19:43:54,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:54,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:54,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072969516] [2020-10-25 19:43:54,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:54,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:54,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:54,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:54,895 INFO L87 Difference]: Start difference. First operand 3017 states and 3345 transitions. Second operand 3 states. [2020-10-25 19:43:55,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:55,365 INFO L93 Difference]: Finished difference Result 6032 states and 6690 transitions. [2020-10-25 19:43:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:55,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-25 19:43:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:55,383 INFO L225 Difference]: With dead ends: 6032 [2020-10-25 19:43:55,383 INFO L226 Difference]: Without dead ends: 3148 [2020-10-25 19:43:55,388 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 19:43:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-25 19:43:55,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-10-25 19:43:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-25 19:43:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3335 transitions. [2020-10-25 19:43:55,451 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3335 transitions. Word has length 155 [2020-10-25 19:43:55,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:55,452 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3335 transitions. [2020-10-25 19:43:55,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3335 transitions. [2020-10-25 19:43:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-25 19:43:55,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:55,459 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2020-10-25 19:43:55,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 19:43:55,460 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:55,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:55,460 INFO L82 PathProgramCache]: Analyzing trace with hash -954415027, now seen corresponding path program 1 times [2020-10-25 19:43:55,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:55,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960791039] [2020-10-25 19:43:55,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-25 19:43:55,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960791039] [2020-10-25 19:43:55,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:55,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:55,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745949905] [2020-10-25 19:43:55,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:43:55,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:55,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:43:55,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:43:55,617 INFO L87 Difference]: Start difference. First operand 3017 states and 3335 transitions. Second operand 4 states. [2020-10-25 19:43:56,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:56,406 INFO L93 Difference]: Finished difference Result 6163 states and 6820 transitions. [2020-10-25 19:43:56,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:43:56,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 171 [2020-10-25 19:43:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:56,423 INFO L225 Difference]: With dead ends: 6163 [2020-10-25 19:43:56,423 INFO L226 Difference]: Without dead ends: 3279 [2020-10-25 19:43:56,427 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 19:43:56,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-10-25 19:43:56,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3017. [2020-10-25 19:43:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-25 19:43:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3315 transitions. [2020-10-25 19:43:56,497 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3315 transitions. Word has length 171 [2020-10-25 19:43:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:56,498 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3315 transitions. [2020-10-25 19:43:56,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:43:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3315 transitions. [2020-10-25 19:43:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-25 19:43:56,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:56,505 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:56,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 19:43:56,506 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:56,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:56,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2143835308, now seen corresponding path program 1 times [2020-10-25 19:43:56,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:56,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776926446] [2020-10-25 19:43:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 130 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-25 19:43:56,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776926446] [2020-10-25 19:43:56,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111621118] [2020-10-25 19:43:56,628 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 19:43:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:56,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:56,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-25 19:43:56,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:56,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:43:56,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975255465] [2020-10-25 19:43:56,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:56,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:56,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:56,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:43:56,973 INFO L87 Difference]: Start difference. First operand 3017 states and 3315 transitions. Second operand 3 states. [2020-10-25 19:43:57,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:57,759 INFO L93 Difference]: Finished difference Result 6687 states and 7392 transitions. [2020-10-25 19:43:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:57,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-10-25 19:43:57,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:57,777 INFO L225 Difference]: With dead ends: 6687 [2020-10-25 19:43:57,778 INFO L226 Difference]: Without dead ends: 3803 [2020-10-25 19:43:57,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:43:57,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2020-10-25 19:43:57,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3148. [2020-10-25 19:43:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-10-25 19:43:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3458 transitions. [2020-10-25 19:43:57,867 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3458 transitions. Word has length 188 [2020-10-25 19:43:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:57,868 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3458 transitions. [2020-10-25 19:43:57,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3458 transitions. [2020-10-25 19:43:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-25 19:43:57,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:57,879 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 19:43:58,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-25 19:43:58,093 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:58,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:58,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1013321488, now seen corresponding path program 1 times [2020-10-25 19:43:58,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:58,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649134514] [2020-10-25 19:43:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 163 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-25 19:43:58,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649134514] [2020-10-25 19:43:58,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329396469] [2020-10-25 19:43:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:58,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:58,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-25 19:43:58,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:58,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:43:58,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576037124] [2020-10-25 19:43:58,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:58,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:58,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:43:58,476 INFO L87 Difference]: Start difference. First operand 3148 states and 3458 transitions. Second operand 3 states. [2020-10-25 19:43:58,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:58,933 INFO L93 Difference]: Finished difference Result 3543 states and 3897 transitions. [2020-10-25 19:43:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:58,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2020-10-25 19:43:58,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:58,950 INFO L225 Difference]: With dead ends: 3543 [2020-10-25 19:43:58,950 INFO L226 Difference]: Without dead ends: 3541 [2020-10-25 19:43:58,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:43:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-10-25 19:43:59,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3410. [2020-10-25 19:43:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-10-25 19:43:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3755 transitions. [2020-10-25 19:43:59,013 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3755 transitions. Word has length 221 [2020-10-25 19:43:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:59,014 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 3755 transitions. [2020-10-25 19:43:59,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3755 transitions. [2020-10-25 19:43:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-25 19:43:59,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:59,024 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:43:59,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-25 19:43:59,238 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:59,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:59,240 INFO L82 PathProgramCache]: Analyzing trace with hash -300742697, now seen corresponding path program 1 times [2020-10-25 19:43:59,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:59,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388092000] [2020-10-25 19:43:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 162 proven. 49 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-25 19:43:59,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388092000] [2020-10-25 19:43:59,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734214674] [2020-10-25 19:43:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:59,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:59,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-25 19:43:59,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:59,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 19:43:59,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294404499] [2020-10-25 19:43:59,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:59,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:59,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:59,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 19:43:59,850 INFO L87 Difference]: Start difference. First operand 3410 states and 3755 transitions. Second operand 3 states. [2020-10-25 19:44:00,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:44:00,379 INFO L93 Difference]: Finished difference Result 6687 states and 7374 transitions. [2020-10-25 19:44:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:44:00,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-25 19:44:00,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:44:00,388 INFO L225 Difference]: With dead ends: 6687 [2020-10-25 19:44:00,389 INFO L226 Difference]: Without dead ends: 3410 [2020-10-25 19:44:00,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 19:44:00,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2020-10-25 19:44:00,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3148. [2020-10-25 19:44:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-10-25 19:44:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3428 transitions. [2020-10-25 19:44:00,460 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3428 transitions. Word has length 234 [2020-10-25 19:44:00,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:44:00,461 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3428 transitions. [2020-10-25 19:44:00,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:44:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3428 transitions. [2020-10-25 19:44:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-25 19:44:00,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:44:00,472 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 19:44:00,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-25 19:44:00,687 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:44:00,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:44:00,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1425291763, now seen corresponding path program 1 times [2020-10-25 19:44:00,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:44:00,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697643535] [2020-10-25 19:44:00,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:44:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:44:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 194 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2020-10-25 19:44:00,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697643535] [2020-10-25 19:44:00,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600930735] [2020-10-25 19:44:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:44:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:44:00,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:44:00,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:44:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-25 19:44:01,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:44:01,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:44:01,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894186371] [2020-10-25 19:44:01,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:44:01,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:44:01,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:44:01,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:44:01,055 INFO L87 Difference]: Start difference. First operand 3148 states and 3428 transitions. Second operand 3 states. [2020-10-25 19:44:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:44:01,548 INFO L93 Difference]: Finished difference Result 6030 states and 6567 transitions. [2020-10-25 19:44:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:44:01,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-25 19:44:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:44:01,550 INFO L225 Difference]: With dead ends: 6030 [2020-10-25 19:44:01,550 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:44:01,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:44:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:44:01,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:44:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:44:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:44:01,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-10-25 19:44:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:44:01,560 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:44:01,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:44:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:44:01,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:44:01,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:44:01,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:44:02,082 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-25 19:44:02,285 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-25 19:44:02,289 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,289 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,289 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,289 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,289 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,289 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-25 19:44:02,290 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:44:02,291 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-25 19:44:02,291 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-25 19:44:02,291 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,291 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,292 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,292 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,292 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,292 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,292 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-25 19:44:02,293 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-25 19:44:02,293 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-25 19:44:02,293 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-25 19:44:02,293 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-25 19:44:02,293 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-25 19:44:02,293 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-25 19:44:02,294 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-25 19:44:02,294 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-25 19:44:02,294 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-25 19:44:02,294 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,294 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,294 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,294 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,295 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,295 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,295 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-25 19:44:02,295 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-25 19:44:02,295 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-25 19:44:02,295 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-25 19:44:02,296 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-25 19:44:02,296 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-25 19:44:02,296 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-25 19:44:02,296 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-25 19:44:02,296 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-25 19:44:02,296 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-25 19:44:02,297 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-25 19:44:02,297 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-25 19:44:02,297 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-25 19:44:02,297 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-25 19:44:02,297 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-25 19:44:02,297 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,297 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,298 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,298 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,298 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,298 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-25 19:44:02,298 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-25 19:44:02,298 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-25 19:44:02,299 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-25 19:44:02,299 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-25 19:44:02,299 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-25 19:44:02,299 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-25 19:44:02,299 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-25 19:44:02,299 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-25 19:44:02,300 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 4)) (.cse5 (= ~a20~0 1)) (.cse12 (= ~a17~0 1))) (let ((.cse7 (<= 15 ~a8~0)) (.cse3 (not .cse12)) (.cse6 (let ((.cse11 (= ~a7~0 0))) (or (and .cse11 .cse2) (and .cse0 .cse5 .cse11 .cse12)))) (.cse10 (not .cse5)) (.cse1 (<= ~a21~0 0)) (.cse8 (<= 14 ~a8~0)) (.cse4 (= ~a21~0 1)) (.cse9 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse5 .cse6) (and .cse4 .cse7) (and .cse8 .cse9 .cse3 .cse10) (and .cse3 .cse10 .cse7) (and .cse0 .cse5 .cse2) (and .cse9 .cse3 .cse6 .cse10) (and .cse1 .cse5 .cse2) (and .cse8 .cse4 .cse9 .cse5)))) [2020-10-25 19:44:02,300 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,300 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,301 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,301 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,301 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,301 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-25 19:44:02,301 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-25 19:44:02,301 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-25 19:44:02,301 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-25 19:44:02,302 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-25 19:44:02,302 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-25 19:44:02,302 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-25 19:44:02,302 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-25 19:44:02,302 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-25 19:44:02,302 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-25 19:44:02,303 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-25 19:44:02,303 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-25 19:44:02,303 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-25 19:44:02,303 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-25 19:44:02,303 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,303 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,303 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,304 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,304 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,304 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-25 19:44:02,304 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-25 19:44:02,304 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-25 19:44:02,304 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-25 19:44:02,305 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-25 19:44:02,305 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-25 19:44:02,305 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-25 19:44:02,305 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-25 19:44:02,305 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,305 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-25 19:44:02,305 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,306 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,306 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,306 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,306 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-25 19:44:02,306 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,306 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-25 19:44:02,307 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-25 19:44:02,307 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-25 19:44:02,307 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-25 19:44:02,307 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-25 19:44:02,307 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-25 19:44:02,307 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-25 19:44:02,307 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-25 19:44:02,308 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-25 19:44:02,308 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-25 19:44:02,308 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-25 19:44:02,308 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-25 19:44:02,308 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-25 19:44:02,308 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,309 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 4)) (.cse5 (= ~a20~0 1)) (.cse12 (= ~a17~0 1))) (let ((.cse7 (<= 15 ~a8~0)) (.cse3 (not .cse12)) (.cse6 (let ((.cse11 (= ~a7~0 0))) (or (and .cse11 .cse2) (and .cse0 .cse5 .cse11 .cse12)))) (.cse10 (not .cse5)) (.cse1 (<= ~a21~0 0)) (.cse8 (<= 14 ~a8~0)) (.cse4 (= ~a21~0 1)) (.cse9 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse5 .cse6) (and .cse4 .cse7) (and .cse8 .cse9 .cse3 .cse10) (and .cse3 .cse10 .cse7) (and .cse0 .cse5 .cse2) (and .cse9 .cse3 .cse6 .cse10) (and .cse1 .cse5 .cse2) (and .cse8 .cse4 .cse9 .cse5)))) [2020-10-25 19:44:02,309 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,309 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,309 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,309 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,310 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-25 19:44:02,310 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-25 19:44:02,310 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-25 19:44:02,310 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-25 19:44:02,310 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-25 19:44:02,310 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-25 19:44:02,310 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-25 19:44:02,311 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,311 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-25 19:44:02,311 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,311 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,311 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,311 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,311 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,312 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-25 19:44:02,312 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-25 19:44:02,312 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-25 19:44:02,312 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-25 19:44:02,312 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-25 19:44:02,312 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-25 19:44:02,313 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-25 19:44:02,313 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-25 19:44:02,313 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-25 19:44:02,313 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-25 19:44:02,313 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,313 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-25 19:44:02,313 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-25 19:44:02,314 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,314 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,314 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,314 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,314 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-25 19:44:02,314 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,314 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,315 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-25 19:44:02,315 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-25 19:44:02,315 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-25 19:44:02,315 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-25 19:44:02,315 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-25 19:44:02,315 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-25 19:44:02,315 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-25 19:44:02,316 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-25 19:44:02,316 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-25 19:44:02,316 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-25 19:44:02,316 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-25 19:44:02,316 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-25 19:44:02,316 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,317 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:44:02,317 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,317 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,317 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,317 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,317 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,317 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-25 19:44:02,318 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,318 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-25 19:44:02,318 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-25 19:44:02,318 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-25 19:44:02,318 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-25 19:44:02,318 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-25 19:44:02,318 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-25 19:44:02,319 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-25 19:44:02,319 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-25 19:44:02,319 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-25 19:44:02,319 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-25 19:44:02,319 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-25 19:44:02,319 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-25 19:44:02,319 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-25 19:44:02,320 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-25 19:44:02,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:44:02 BoogieIcfgContainer [2020-10-25 19:44:02,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:44:02,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:44:02,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:44:02,346 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:44:02,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:46" (3/4) ... [2020-10-25 19:44:02,351 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:44:02,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:44:02,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:44:02,380 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:44:02,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:44:02,546 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:44:02,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:44:02,548 INFO L168 Benchmark]: Toolchain (without parser) took 18878.65 ms. Allocated memory was 50.3 MB in the beginning and 402.7 MB in the end (delta: 352.3 MB). Free memory was 25.2 MB in the beginning and 171.4 MB in the end (delta: -146.1 MB). Peak memory consumption was 207.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,548 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 33.3 MB in the beginning and 33.2 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:44:02,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.04 ms. Allocated memory is still 50.3 MB. Free memory was 24.6 MB in the beginning and 21.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.99 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 21.4 MB in the beginning and 40.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,550 INFO L168 Benchmark]: Boogie Preprocessor took 66.49 ms. Allocated memory is still 62.9 MB. Free memory was 40.4 MB in the beginning and 35.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,551 INFO L168 Benchmark]: RCFGBuilder took 1415.21 ms. Allocated memory is still 62.9 MB. Free memory was 35.9 MB in the beginning and 39.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,551 INFO L168 Benchmark]: TraceAbstraction took 16212.58 ms. Allocated memory was 62.9 MB in the beginning and 402.7 MB in the end (delta: 339.7 MB). Free memory was 38.5 MB in the beginning and 187.1 MB in the end (delta: -148.7 MB). Peak memory consumption was 191.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,552 INFO L168 Benchmark]: Witness Printer took 200.97 ms. Allocated memory is still 402.7 MB. Free memory was 187.1 MB in the beginning and 171.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 33.3 MB in the beginning and 33.2 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 873.04 ms. Allocated memory is still 50.3 MB. Free memory was 24.6 MB in the beginning and 21.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.99 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 21.4 MB in the beginning and 40.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.49 ms. Allocated memory is still 62.9 MB. Free memory was 40.4 MB in the beginning and 35.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1415.21 ms. Allocated memory is still 62.9 MB. Free memory was 35.9 MB in the beginning and 39.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16212.58 ms. Allocated memory was 62.9 MB in the beginning and 402.7 MB in the end (delta: 339.7 MB). Free memory was 38.5 MB in the beginning and 187.1 MB in the end (delta: -148.7 MB). Peak memory consumption was 191.7 MB. Max. memory is 16.1 GB. * Witness Printer took 200.97 ms. Allocated memory is still 402.7 MB. Free memory was 187.1 MB in the beginning and 171.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((((((a16 <= 4 && a21 <= 0) && a8 <= 13) || ((a16 <= 4 && !(a17 == 1)) && a8 <= 13)) || ((a21 == 1 && a20 == 1) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1)))) || (a21 == 1 && 15 <= a8)) || (((14 <= a8 && a16 <= 5) && !(a17 == 1)) && !(a20 == 1))) || ((!(a17 == 1) && !(a20 == 1)) && 15 <= a8)) || ((a16 <= 4 && a20 == 1) && a8 <= 13)) || (((a16 <= 5 && !(a17 == 1)) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1))) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a8 <= 13)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((a16 <= 4 && a21 <= 0) && a8 <= 13) || ((a16 <= 4 && !(a17 == 1)) && a8 <= 13)) || ((a21 == 1 && a20 == 1) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1)))) || (a21 == 1 && 15 <= a8)) || (((14 <= a8 && a16 <= 5) && !(a17 == 1)) && !(a20 == 1))) || ((!(a17 == 1) && !(a20 == 1)) && 15 <= a8)) || ((a16 <= 4 && a20 == 1) && a8 <= 13)) || (((a16 <= 5 && !(a17 == 1)) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1))) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a8 <= 13)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 15, TraceHistogramMax: 7, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1110 SDtfs, 1883 SDslu, 92 SDs, 0 SdLazy, 5397 SolverSat, 744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 929 GetRequests, 899 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 2882 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 55 NumberOfFragments, 301 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2804 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 190 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3148 NumberOfCodeBlocks, 3148 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3129 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276198 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1811 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 2465/2532 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...