./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label38.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/Problem14_label38.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 6430982c575b7027ab69418593252f8bbac96308 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:46:38,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:46:38,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:46:38,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:46:38,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:46:38,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:46:38,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:46:38,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:46:38,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:46:38,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:46:38,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:46:38,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:46:38,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:46:38,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:46:38,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:46:38,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:46:38,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:46:38,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:46:38,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:46:38,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:46:38,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:46:38,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:46:38,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:46:38,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:46:38,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:46:38,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:46:38,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:46:38,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:46:38,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:46:38,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:46:38,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:46:38,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:46:38,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:46:38,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:46:38,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:46:38,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:46:38,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:46:38,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:46:38,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:46:38,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:46:38,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:46:38,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:46:38,969 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:46:38,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:46:38,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:46:38,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:46:38,974 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:46:38,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:46:38,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:46:38,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:46:38,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:46:38,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:46:38,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:46:38,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:46:38,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:46:38,978 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:46:38,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:46:38,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:46:38,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:46:38,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:46:38,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:46:38,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:46:38,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:46:38,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:46:38,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:46:38,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:46:38,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:46:38,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:46:38,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:46:38,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:46:38,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:46:38,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6430982c575b7027ab69418593252f8bbac96308 [2020-10-25 20:46:39,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:46:39,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:46:39,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:46:39,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:46:39,461 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:46:39,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2020-10-25 20:46:39,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3690c779f/e390d80b61664f6588e0dbb96e87f62d/FLAGa3e0fa34a [2020-10-25 20:46:40,368 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:46:40,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2020-10-25 20:46:40,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3690c779f/e390d80b61664f6588e0dbb96e87f62d/FLAGa3e0fa34a [2020-10-25 20:46:40,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3690c779f/e390d80b61664f6588e0dbb96e87f62d [2020-10-25 20:46:40,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:46:40,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:46:40,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:46:40,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:46:40,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:46:40,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:46:40" (1/1) ... [2020-10-25 20:46:40,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629ef67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:40, skipping insertion in model container [2020-10-25 20:46:40,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:46:40" (1/1) ... [2020-10-25 20:46:40,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:46:40,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:46:41,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:46:41,276 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:46:41,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:46:41,457 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:46:41,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41 WrapperNode [2020-10-25 20:46:41,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:46:41,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:46:41,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:46:41,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:46:41,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:46:41,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:46:41,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:46:41,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:46:41,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (1/1) ... [2020-10-25 20:46:41,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:46:41,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:46:41,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:46:41,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:46:41,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (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 20:46:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:46:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:46:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:46:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:46:43,666 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:46:43,666 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:46:43,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:46:43 BoogieIcfgContainer [2020-10-25 20:46:43,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:46:43,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:46:43,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:46:43,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:46:43,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:46:40" (1/3) ... [2020-10-25 20:46:43,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e29499c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:46:43, skipping insertion in model container [2020-10-25 20:46:43,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:41" (2/3) ... [2020-10-25 20:46:43,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e29499c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:46:43, skipping insertion in model container [2020-10-25 20:46:43,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:46:43" (3/3) ... [2020-10-25 20:46:43,682 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-10-25 20:46:43,696 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:46:43,702 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:46:43,717 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:46:43,769 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:46:43,770 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:46:43,770 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:46:43,771 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:46:43,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:46:43,771 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:46:43,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:46:43,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:46:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-25 20:46:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-25 20:46:43,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:43,804 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] [2020-10-25 20:46:43,805 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:43,812 INFO L82 PathProgramCache]: Analyzing trace with hash 761214138, now seen corresponding path program 1 times [2020-10-25 20:46:43,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:43,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871671091] [2020-10-25 20:46:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:44,143 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 20:46:44,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871671091] [2020-10-25 20:46:44,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:44,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:46:44,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204515742] [2020-10-25 20:46:44,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:44,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:44,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:44,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:44,178 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-25 20:46:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:45,639 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-25 20:46:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:45,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-10-25 20:46:45,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:45,659 INFO L225 Difference]: With dead ends: 670 [2020-10-25 20:46:45,660 INFO L226 Difference]: Without dead ends: 360 [2020-10-25 20:46:45,665 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 20:46:45,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-25 20:46:45,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-25 20:46:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-25 20:46:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-10-25 20:46:45,784 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 50 [2020-10-25 20:46:45,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:45,785 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-10-25 20:46:45,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-10-25 20:46:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-25 20:46:45,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:45,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:46:45,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:46:45,792 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:45,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:45,793 INFO L82 PathProgramCache]: Analyzing trace with hash -15900462, now seen corresponding path program 1 times [2020-10-25 20:46:45,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:45,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925424415] [2020-10-25 20:46:45,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:46,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925424415] [2020-10-25 20:46:46,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:46,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:46:46,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397021824] [2020-10-25 20:46:46,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:46,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:46,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:46,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:46,055 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-10-25 20:46:47,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:47,251 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-10-25 20:46:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:47,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-10-25 20:46:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:47,261 INFO L225 Difference]: With dead ends: 1074 [2020-10-25 20:46:47,261 INFO L226 Difference]: Without dead ends: 716 [2020-10-25 20:46:47,268 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 20:46:47,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-25 20:46:47,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-10-25 20:46:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-25 20:46:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 802 transitions. [2020-10-25 20:46:47,328 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 802 transitions. Word has length 115 [2020-10-25 20:46:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:47,328 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 802 transitions. [2020-10-25 20:46:47,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 802 transitions. [2020-10-25 20:46:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-25 20:46:47,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:47,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:47,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:46:47,336 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:47,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash 304303919, now seen corresponding path program 1 times [2020-10-25 20:46:47,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:47,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144615321] [2020-10-25 20:46:47,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:47,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144615321] [2020-10-25 20:46:47,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:47,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:47,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990066627] [2020-10-25 20:46:47,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:46:47,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:47,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:46:47,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:46:47,667 INFO L87 Difference]: Start difference. First operand 538 states and 802 transitions. Second operand 4 states. [2020-10-25 20:46:49,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:49,448 INFO L93 Difference]: Finished difference Result 1430 states and 2030 transitions. [2020-10-25 20:46:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:46:49,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2020-10-25 20:46:49,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:49,456 INFO L225 Difference]: With dead ends: 1430 [2020-10-25 20:46:49,456 INFO L226 Difference]: Without dead ends: 894 [2020-10-25 20:46:49,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:46:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-25 20:46:49,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-10-25 20:46:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-25 20:46:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-10-25 20:46:49,494 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 129 [2020-10-25 20:46:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:49,495 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-10-25 20:46:49,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:46:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-10-25 20:46:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-25 20:46:49,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:49,501 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:46:49,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:46:49,502 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:49,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:49,503 INFO L82 PathProgramCache]: Analyzing trace with hash 948628163, now seen corresponding path program 1 times [2020-10-25 20:46:49,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:49,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119662201] [2020-10-25 20:46:49,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-25 20:46:49,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119662201] [2020-10-25 20:46:49,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:49,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:49,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094788761] [2020-10-25 20:46:49,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:46:49,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:49,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:46:49,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:46:49,857 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-10-25 20:46:51,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:51,110 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-10-25 20:46:51,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:46:51,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 209 [2020-10-25 20:46:51,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:51,119 INFO L225 Difference]: With dead ends: 1993 [2020-10-25 20:46:51,119 INFO L226 Difference]: Without dead ends: 1072 [2020-10-25 20:46:51,122 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 20:46:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-25 20:46:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-10-25 20:46:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-25 20:46:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-10-25 20:46:51,153 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 209 [2020-10-25 20:46:51,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:51,155 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-10-25 20:46:51,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:46:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-10-25 20:46:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-25 20:46:51,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:51,159 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:46:51,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:46:51,159 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:51,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:51,160 INFO L82 PathProgramCache]: Analyzing trace with hash 561618589, now seen corresponding path program 1 times [2020-10-25 20:46:51,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:51,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704694234] [2020-10-25 20:46:51,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:51,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704694234] [2020-10-25 20:46:51,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579817365] [2020-10-25 20:46:51,574 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 20:46:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:51,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:46:51,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:46:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-25 20:46:52,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:46:52,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-25 20:46:52,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298684588] [2020-10-25 20:46:52,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:52,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:52,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:52,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:46:52,014 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-10-25 20:46:53,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:53,040 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-10-25 20:46:53,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:53,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2020-10-25 20:46:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:53,052 INFO L225 Difference]: With dead ends: 2320 [2020-10-25 20:46:53,053 INFO L226 Difference]: Without dead ends: 1250 [2020-10-25 20:46:53,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:46:53,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-25 20:46:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-10-25 20:46:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-25 20:46:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-10-25 20:46:53,104 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 221 [2020-10-25 20:46:53,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:53,105 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-10-25 20:46:53,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-10-25 20:46:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-25 20:46:53,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:53,112 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:46:53,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:46:53,327 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:53,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:53,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1307081068, now seen corresponding path program 1 times [2020-10-25 20:46:53,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:53,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749840663] [2020-10-25 20:46:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:53,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749840663] [2020-10-25 20:46:53,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:53,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:53,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105404804] [2020-10-25 20:46:53,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:53,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:53,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:53,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:53,562 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-10-25 20:46:54,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:54,625 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-10-25 20:46:54,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:54,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-10-25 20:46:54,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:54,642 INFO L225 Difference]: With dead ends: 2854 [2020-10-25 20:46:54,643 INFO L226 Difference]: Without dead ends: 1784 [2020-10-25 20:46:54,645 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 20:46:54,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-25 20:46:54,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-10-25 20:46:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-25 20:46:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1824 transitions. [2020-10-25 20:46:54,686 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1824 transitions. Word has length 224 [2020-10-25 20:46:54,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:54,687 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1824 transitions. [2020-10-25 20:46:54,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1824 transitions. [2020-10-25 20:46:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-25 20:46:54,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:54,696 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:54,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:46:54,697 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1084549231, now seen corresponding path program 1 times [2020-10-25 20:46:54,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:54,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293809487] [2020-10-25 20:46:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-25 20:46:55,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293809487] [2020-10-25 20:46:55,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:55,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:55,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967368196] [2020-10-25 20:46:55,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:46:55,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:55,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:46:55,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:46:55,173 INFO L87 Difference]: Start difference. First operand 1606 states and 1824 transitions. Second operand 4 states. [2020-10-25 20:46:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:56,286 INFO L93 Difference]: Finished difference Result 3268 states and 3727 transitions. [2020-10-25 20:46:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:46:56,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 341 [2020-10-25 20:46:56,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:56,297 INFO L225 Difference]: With dead ends: 3268 [2020-10-25 20:46:56,297 INFO L226 Difference]: Without dead ends: 1784 [2020-10-25 20:46:56,301 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 20:46:56,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-25 20:46:56,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-10-25 20:46:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-25 20:46:56,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1751 transitions. [2020-10-25 20:46:56,340 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1751 transitions. Word has length 341 [2020-10-25 20:46:56,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:56,343 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1751 transitions. [2020-10-25 20:46:56,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:46:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1751 transitions. [2020-10-25 20:46:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-10-25 20:46:56,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:56,351 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:56,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:46:56,352 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:56,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:56,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1009206644, now seen corresponding path program 1 times [2020-10-25 20:46:56,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:56,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291788170] [2020-10-25 20:46:56,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:46:56,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291788170] [2020-10-25 20:46:56,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:56,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:56,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680958709] [2020-10-25 20:46:56,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:56,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:56,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:56,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:56,840 INFO L87 Difference]: Start difference. First operand 1606 states and 1751 transitions. Second operand 3 states. [2020-10-25 20:46:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:57,749 INFO L93 Difference]: Finished difference Result 3922 states and 4309 transitions. [2020-10-25 20:46:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:57,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 436 [2020-10-25 20:46:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:57,762 INFO L225 Difference]: With dead ends: 3922 [2020-10-25 20:46:57,763 INFO L226 Difference]: Without dead ends: 2496 [2020-10-25 20:46:57,766 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 20:46:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-25 20:46:57,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-10-25 20:46:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-25 20:46:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2110 transitions. [2020-10-25 20:46:57,814 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2110 transitions. Word has length 436 [2020-10-25 20:46:57,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:57,815 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2110 transitions. [2020-10-25 20:46:57,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2110 transitions. [2020-10-25 20:46:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2020-10-25 20:46:57,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:57,826 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:57,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:46:57,826 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:57,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:57,827 INFO L82 PathProgramCache]: Analyzing trace with hash 722549297, now seen corresponding path program 1 times [2020-10-25 20:46:57,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:57,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245306224] [2020-10-25 20:46:57,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:46:58,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245306224] [2020-10-25 20:46:58,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:58,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:58,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929152454] [2020-10-25 20:46:58,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:58,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:58,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:58,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:58,317 INFO L87 Difference]: Start difference. First operand 1962 states and 2110 transitions. Second operand 3 states. [2020-10-25 20:46:59,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:59,252 INFO L93 Difference]: Finished difference Result 4456 states and 4861 transitions. [2020-10-25 20:46:59,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:59,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 443 [2020-10-25 20:46:59,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:59,266 INFO L225 Difference]: With dead ends: 4456 [2020-10-25 20:46:59,267 INFO L226 Difference]: Without dead ends: 2674 [2020-10-25 20:46:59,269 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 20:46:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-25 20:46:59,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-25 20:46:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-25 20:46:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2661 transitions. [2020-10-25 20:46:59,323 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2661 transitions. Word has length 443 [2020-10-25 20:46:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:59,324 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2661 transitions. [2020-10-25 20:46:59,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2661 transitions. [2020-10-25 20:46:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-10-25 20:46:59,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:59,342 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:59,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:46:59,342 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:59,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:59,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1869662360, now seen corresponding path program 1 times [2020-10-25 20:46:59,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:59,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788960633] [2020-10-25 20:46:59,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 514 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-25 20:46:59,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788960633] [2020-10-25 20:46:59,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:59,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:59,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838456790] [2020-10-25 20:46:59,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:59,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:59,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:59,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:59,924 INFO L87 Difference]: Start difference. First operand 2496 states and 2661 transitions. Second operand 3 states. [2020-10-25 20:47:00,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:00,979 INFO L93 Difference]: Finished difference Result 5524 states and 5971 transitions. [2020-10-25 20:47:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:00,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-10-25 20:47:00,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:00,996 INFO L225 Difference]: With dead ends: 5524 [2020-10-25 20:47:00,997 INFO L226 Difference]: Without dead ends: 3208 [2020-10-25 20:47:01,001 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 20:47:01,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-25 20:47:01,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-10-25 20:47:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-25 20:47:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3227 transitions. [2020-10-25 20:47:01,063 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3227 transitions. Word has length 598 [2020-10-25 20:47:01,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:01,064 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3227 transitions. [2020-10-25 20:47:01,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3227 transitions. [2020-10-25 20:47:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2020-10-25 20:47:01,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:01,070 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:01,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:47:01,071 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:01,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:01,072 INFO L82 PathProgramCache]: Analyzing trace with hash 415087157, now seen corresponding path program 1 times [2020-10-25 20:47:01,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:01,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305668941] [2020-10-25 20:47:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 789 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-10-25 20:47:01,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305668941] [2020-10-25 20:47:01,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:47:01,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:47:01,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139596480] [2020-10-25 20:47:01,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:01,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:01,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:01,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:01,690 INFO L87 Difference]: Start difference. First operand 3030 states and 3227 transitions. Second operand 3 states. [2020-10-25 20:47:02,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:02,634 INFO L93 Difference]: Finished difference Result 6592 states and 7095 transitions. [2020-10-25 20:47:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:02,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 616 [2020-10-25 20:47:02,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:02,655 INFO L225 Difference]: With dead ends: 6592 [2020-10-25 20:47:02,655 INFO L226 Difference]: Without dead ends: 3742 [2020-10-25 20:47:02,660 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 20:47:02,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-25 20:47:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-10-25 20:47:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:47:02,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3620 transitions. [2020-10-25 20:47:02,735 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3620 transitions. Word has length 616 [2020-10-25 20:47:02,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:02,736 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3620 transitions. [2020-10-25 20:47:02,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3620 transitions. [2020-10-25 20:47:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2020-10-25 20:47:02,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:02,744 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:02,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:47:02,745 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:02,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:02,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1946241381, now seen corresponding path program 1 times [2020-10-25 20:47:02,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:02,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211498222] [2020-10-25 20:47:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 882 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:47:03,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211498222] [2020-10-25 20:47:03,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410383431] [2020-10-25 20:47:03,427 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 20:47:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:03,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:47:03,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-25 20:47:03,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:03,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:47:03,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395800544] [2020-10-25 20:47:03,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:03,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:03,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:03,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:47:03,933 INFO L87 Difference]: Start difference. First operand 3386 states and 3620 transitions. Second operand 3 states. [2020-10-25 20:47:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:04,865 INFO L93 Difference]: Finished difference Result 7660 states and 8178 transitions. [2020-10-25 20:47:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:04,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 639 [2020-10-25 20:47:04,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:04,885 INFO L225 Difference]: With dead ends: 7660 [2020-10-25 20:47:04,885 INFO L226 Difference]: Without dead ends: 3564 [2020-10-25 20:47:04,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:47:04,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-25 20:47:04,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-10-25 20:47:04,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:47:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-25 20:47:04,979 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 639 [2020-10-25 20:47:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:04,980 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-25 20:47:04,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-25 20:47:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2020-10-25 20:47:04,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:04,993 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:05,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-25 20:47:05,209 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:05,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:05,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1035963226, now seen corresponding path program 1 times [2020-10-25 20:47:05,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:05,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307899810] [2020-10-25 20:47:05,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 1294 proven. 155 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-10-25 20:47:06,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307899810] [2020-10-25 20:47:06,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237594134] [2020-10-25 20:47:06,134 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 20:47:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:06,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:47:06,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-25 20:47:06,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:06,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:47:06,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838602] [2020-10-25 20:47:06,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:06,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:06,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:06,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:47:06,805 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-25 20:47:07,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:07,713 INFO L93 Difference]: Finished difference Result 4278 states and 4537 transitions. [2020-10-25 20:47:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:07,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 786 [2020-10-25 20:47:07,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:07,733 INFO L225 Difference]: With dead ends: 4278 [2020-10-25 20:47:07,733 INFO L226 Difference]: Without dead ends: 4276 [2020-10-25 20:47:07,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:47:07,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-25 20:47:07,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-10-25 20:47:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:47:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-25 20:47:07,818 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 786 [2020-10-25 20:47:07,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:07,820 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-25 20:47:07,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-25 20:47:07,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2020-10-25 20:47:07,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:07,832 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:08,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-25 20:47:08,047 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:08,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:08,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1613797978, now seen corresponding path program 1 times [2020-10-25 20:47:08,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:08,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609296253] [2020-10-25 20:47:08,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1765 proven. 110 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-25 20:47:08,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609296253] [2020-10-25 20:47:08,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165726122] [2020-10-25 20:47:08,746 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 20:47:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:09,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:47:09,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-25 20:47:09,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:09,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:47:09,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498272075] [2020-10-25 20:47:09,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:09,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:09,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:09,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:47:09,507 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-25 20:47:10,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:10,362 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-10-25 20:47:10,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:10,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 817 [2020-10-25 20:47:10,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:10,364 INFO L225 Difference]: With dead ends: 7302 [2020-10-25 20:47:10,364 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:47:10,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:47:10,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:47:10,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:47:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:47:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:47:10,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 817 [2020-10-25 20:47:10,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:10,373 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:47:10,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:10,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:47:10,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:47:10,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:10,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:47:10,697 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 53 [2020-10-25 20:47:10,945 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-25 20:47:11,149 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-25 20:47:11,154 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,155 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,155 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,155 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-25 20:47:11,155 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:47:11,155 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:47:11,156 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:47:11,156 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-25 20:47:11,156 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-25 20:47:11,156 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-25 20:47:11,156 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-25 20:47:11,156 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,157 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,157 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,157 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-25 20:47:11,157 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-25 20:47:11,157 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:47:11,157 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:47:11,158 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:47:11,158 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-25 20:47:11,158 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-25 20:47:11,158 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-25 20:47:11,158 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,158 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,158 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,159 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-25 20:47:11,159 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:47:11,159 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:47:11,159 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:47:11,159 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-25 20:47:11,159 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-25 20:47:11,160 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-25 20:47:11,160 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-25 20:47:11,160 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-25 20:47:11,161 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,162 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,163 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,163 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-25 20:47:11,163 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:47:11,163 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:47:11,163 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:47:11,163 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-25 20:47:11,164 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-25 20:47:11,164 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-25 20:47:11,164 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,164 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,164 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,164 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-25 20:47:11,164 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:47:11,165 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:47:11,165 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:47:11,165 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-25 20:47:11,165 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-25 20:47:11,165 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-25 20:47:11,165 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-25 20:47:11,165 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-25 20:47:11,166 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,166 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,166 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,166 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-25 20:47:11,166 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:47:11,166 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:47:11,167 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:47:11,167 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-25 20:47:11,167 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-25 20:47:11,167 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-25 20:47:11,168 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-25 20:47:11,168 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,169 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,169 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,169 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:47:11,169 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:47:11,169 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:47:11,169 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-25 20:47:11,170 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-25 20:47:11,170 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-25 20:47:11,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:47:11,170 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-25 20:47:11,170 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-25 20:47:11,170 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,170 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,171 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,171 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-25 20:47:11,171 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-25 20:47:11,171 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:47:11,171 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:47:11,171 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:47:11,171 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-25 20:47:11,172 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-25 20:47:11,172 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-25 20:47:11,172 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,172 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,172 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,172 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:47:11,172 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:47:11,173 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:47:11,173 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-25 20:47:11,173 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-25 20:47:11,173 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-25 20:47:11,174 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-25 20:47:11,175 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-25 20:47:11,175 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,175 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,176 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,176 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:47:11,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:47:11,177 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-25 20:47:11,177 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-25 20:47:11,177 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:47:11,177 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:47:11,178 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:47:11,178 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-25 20:47:11,178 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-25 20:47:11,178 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-25 20:47:11,178 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,178 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,179 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,179 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-25 20:47:11,179 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:47:11,179 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:47:11,179 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:47:11,179 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-25 20:47:11,180 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-25 20:47:11,180 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:47:11,180 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-25 20:47:11,180 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-25 20:47:11,180 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,180 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,181 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,181 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-25 20:47:11,181 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:47:11,181 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:47:11,181 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:47:11,181 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-25 20:47:11,182 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-25 20:47:11,182 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-25 20:47:11,182 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-25 20:47:11,182 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,182 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,182 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-25 20:47:11,183 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:47:11,183 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:47:11,183 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-25 20:47:11,183 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-25 20:47:11,183 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-25 20:47:11,183 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-25 20:47:11,184 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-25 20:47:11,184 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,184 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,184 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-25 20:47:11,184 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:47:11,184 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:47:11,184 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-25 20:47:11,185 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-25 20:47:11,185 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-25 20:47:11,185 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,185 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,187 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-25 20:47:11,187 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-25 20:47:11,188 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-25 20:47:11,188 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:47:11,188 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:47:11,188 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-25 20:47:11,188 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-25 20:47:11,188 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-25 20:47:11,188 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-25 20:47:11,189 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,189 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,189 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-25 20:47:11,189 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-25 20:47:11,189 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-25 20:47:11,189 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:47:11,189 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:47:11,190 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-25 20:47:11,190 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-25 20:47:11,190 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-25 20:47:11,190 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:47:11,190 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,190 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,191 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-25 20:47:11,191 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-25 20:47:11,191 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:47:11,191 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:47:11,191 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-25 20:47:11,191 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-25 20:47:11,191 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,192 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,192 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:47:11,192 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,192 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-25 20:47:11,193 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-25 20:47:11,193 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-25 20:47:11,193 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-25 20:47:11,193 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:47:11,194 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:47:11,194 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:47:11,194 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-25 20:47:11,194 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-25 20:47:11,194 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-25 20:47:11,194 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-25 20:47:11,195 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,195 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,195 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,195 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-25 20:47:11,195 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:47:11,195 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:47:11,195 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:47:11,196 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-25 20:47:11,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:47:11,196 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-25 20:47:11,196 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-25 20:47:11,196 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-25 20:47:11,196 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-25 20:47:11,197 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,197 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,197 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,197 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-25 20:47:11,197 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-25 20:47:11,197 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:47:11,197 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:47:11,198 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:47:11,198 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-25 20:47:11,198 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-25 20:47:11,198 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-25 20:47:11,198 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,198 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,199 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,199 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-25 20:47:11,199 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:47:11,199 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:47:11,199 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:47:11,199 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-25 20:47:11,199 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-25 20:47:11,200 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-25 20:47:11,200 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-25 20:47:11,200 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-25 20:47:11,200 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,200 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,201 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:11,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:47:11 BoogieIcfgContainer [2020-10-25 20:47:11,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:47:11,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:47:11,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:47:11,250 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:47:11,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:46:43" (3/4) ... [2020-10-25 20:47:11,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:47:11,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:47:11,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:47:11,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:47:11,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:47:11,565 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:47:11,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:47:11,567 INFO L168 Benchmark]: Toolchain (without parser) took 31003.30 ms. Allocated memory was 50.3 MB in the beginning and 1.2 GB in the end (delta: 1.2 GB). Free memory was 25.3 MB in the beginning and 643.8 MB in the end (delta: -618.5 MB). Peak memory consumption was 539.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:11,568 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory is still 34.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:47:11,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.22 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 24.6 MB in the beginning and 32.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:11,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.01 ms. Allocated memory is still 65.0 MB. Free memory was 32.4 MB in the beginning and 40.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:11,570 INFO L168 Benchmark]: Boogie Preprocessor took 151.81 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 33.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:11,570 INFO L168 Benchmark]: RCFGBuilder took 1859.64 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 33.7 MB in the beginning and 48.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:11,571 INFO L168 Benchmark]: TraceAbstraction took 27575.70 ms. Allocated memory was 81.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 47.8 MB in the beginning and 663.7 MB in the end (delta: -615.9 MB). Peak memory consumption was 507.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:11,572 INFO L168 Benchmark]: Witness Printer took 316.10 ms. Allocated memory is still 1.2 GB. Free memory was 663.7 MB in the beginning and 643.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:11,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory is still 34.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 882.22 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 24.6 MB in the beginning and 32.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 197.01 ms. Allocated memory is still 65.0 MB. Free memory was 32.4 MB in the beginning and 40.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.81 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 33.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1859.64 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 33.7 MB in the beginning and 48.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27575.70 ms. Allocated memory was 81.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 47.8 MB in the beginning and 663.7 MB in the end (delta: -615.9 MB). Peak memory consumption was 507.7 MB. Max. memory is 16.1 GB. * Witness Printer took 316.10 ms. Allocated memory is still 1.2 GB. Free memory was 663.7 MB in the beginning and 643.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 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: 22]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.8s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1910 SDtfs, 1915 SDslu, 78 SDs, 0 SdLazy, 7204 SolverSat, 907 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2504 GetRequests, 2477 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2710 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 8087 NumberOfCodeBlocks, 8087 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 8069 ConstructedInterpolants, 0 QuantifiedInterpolants, 8861073 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3187 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 15384/15824 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...