./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label30.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_label30.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 66618db5a3db7dcc678cb9548aafa9cdab01bb4f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:46:05,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:46:05,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:46:05,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:46:05,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:46:05,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:46:05,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:46:05,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:46:05,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:46:05,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:46:05,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:46:05,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:46:05,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:46:06,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:46:06,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:46:06,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:46:06,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:46:06,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:46:06,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:46:06,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:46:06,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:46:06,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:46:06,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:46:06,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:46:06,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:46:06,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:46:06,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:46:06,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:46:06,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:46:06,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:46:06,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:46:06,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:46:06,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:46:06,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:46:06,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:46:06,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:46:06,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:46:06,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:46:06,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:46:06,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:46:06,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:46:06,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:46:06,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:46:06,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:46:06,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:46:06,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:46:06,130 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:46:06,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:46:06,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:46:06,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:46:06,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:46:06,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:46:06,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:46:06,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:46:06,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:46:06,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:46:06,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:46:06,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:46:06,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:46:06,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:46:06,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:46:06,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:46:06,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:46:06,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:46:06,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:46:06,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:46:06,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:46:06,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:46:06,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:46:06,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:46:06,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:46:06,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66618db5a3db7dcc678cb9548aafa9cdab01bb4f [2020-10-25 20:46:06,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:46:06,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:46:06,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:46:06,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:46:06,592 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:46:06,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2020-10-25 20:46:06,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6311a51c5/b39348afb9674fa1a1038ef26c408d3f/FLAG423bfecb3 [2020-10-25 20:46:07,540 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:46:07,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2020-10-25 20:46:07,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6311a51c5/b39348afb9674fa1a1038ef26c408d3f/FLAG423bfecb3 [2020-10-25 20:46:07,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6311a51c5/b39348afb9674fa1a1038ef26c408d3f [2020-10-25 20:46:07,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:46:07,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:46:07,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:46:07,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:46:07,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:46:07,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:46:07" (1/1) ... [2020-10-25 20:46:07,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408ed381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:07, skipping insertion in model container [2020-10-25 20:46:07,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:46:07" (1/1) ... [2020-10-25 20:46:07,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:46:07,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:46:08,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:46:08,472 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:46:08,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:46:08,677 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:46:08,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08 WrapperNode [2020-10-25 20:46:08,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:46:08,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:46:08,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:46:08,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:46:08,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:46:08,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:46:08,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:46:08,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:46:08,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (1/1) ... [2020-10-25 20:46:08,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:46:08,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:46:08,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:46:08,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:46:08,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (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 20:46:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:46:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:46:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:46:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:46:10,793 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:46:10,794 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:46:10,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:46:10 BoogieIcfgContainer [2020-10-25 20:46:10,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:46:10,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:46:10,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:46:10,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:46:10,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:46:07" (1/3) ... [2020-10-25 20:46:10,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6cd019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:46:10, skipping insertion in model container [2020-10-25 20:46:10,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:46:08" (2/3) ... [2020-10-25 20:46:10,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6cd019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:46:10, skipping insertion in model container [2020-10-25 20:46:10,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:46:10" (3/3) ... [2020-10-25 20:46:10,809 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-10-25 20:46:10,824 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:46:10,831 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:46:10,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:46:10,891 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:46:10,891 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:46:10,891 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:46:10,892 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:46:10,892 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:46:10,892 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:46:10,893 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:46:10,893 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:46:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-25 20:46:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-25 20:46:10,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:10,933 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] [2020-10-25 20:46:10,934 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:10,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:10,942 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2020-10-25 20:46:10,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:10,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814843563] [2020-10-25 20:46:10,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:11,366 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 20:46:11,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814843563] [2020-10-25 20:46:11,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:11,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:46:11,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524202345] [2020-10-25 20:46:11,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:11,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:11,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:11,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:11,398 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-25 20:46:12,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:12,626 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-25 20:46:12,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:12,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-10-25 20:46:12,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:12,647 INFO L225 Difference]: With dead ends: 670 [2020-10-25 20:46:12,647 INFO L226 Difference]: Without dead ends: 360 [2020-10-25 20:46:12,652 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 20:46:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-25 20:46:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-25 20:46:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-25 20:46:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-10-25 20:46:12,758 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 43 [2020-10-25 20:46:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:12,759 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-10-25 20:46:12,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-10-25 20:46:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-25 20:46:12,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:12,773 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, 1, 1, 1, 1, 1, 1, 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 20:46:12,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:46:12,775 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:12,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:12,776 INFO L82 PathProgramCache]: Analyzing trace with hash 321810028, now seen corresponding path program 1 times [2020-10-25 20:46:12,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:12,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863759514] [2020-10-25 20:46:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:12,930 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:12,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863759514] [2020-10-25 20:46:12,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:12,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:46:12,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700661960] [2020-10-25 20:46:12,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:12,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:12,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:12,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:12,936 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-10-25 20:46:14,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:14,149 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-10-25 20:46:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:14,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-10-25 20:46:14,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:14,156 INFO L225 Difference]: With dead ends: 1074 [2020-10-25 20:46:14,156 INFO L226 Difference]: Without dead ends: 716 [2020-10-25 20:46:14,159 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 20:46:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-25 20:46:14,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-10-25 20:46:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-25 20:46:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 802 transitions. [2020-10-25 20:46:14,199 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 802 transitions. Word has length 108 [2020-10-25 20:46:14,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:14,200 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 802 transitions. [2020-10-25 20:46:14,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 802 transitions. [2020-10-25 20:46:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-25 20:46:14,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:14,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:14,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:46:14,207 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:14,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1799247215, now seen corresponding path program 1 times [2020-10-25 20:46:14,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:14,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377317925] [2020-10-25 20:46:14,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:14,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377317925] [2020-10-25 20:46:14,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:14,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:14,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164826684] [2020-10-25 20:46:14,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:46:14,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:14,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:46:14,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:46:14,440 INFO L87 Difference]: Start difference. First operand 538 states and 802 transitions. Second operand 4 states. [2020-10-25 20:46:16,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:16,131 INFO L93 Difference]: Finished difference Result 1430 states and 2030 transitions. [2020-10-25 20:46:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:46:16,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-10-25 20:46:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:16,139 INFO L225 Difference]: With dead ends: 1430 [2020-10-25 20:46:16,140 INFO L226 Difference]: Without dead ends: 894 [2020-10-25 20:46:16,141 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 20:46:16,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-25 20:46:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-10-25 20:46:16,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-25 20:46:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-10-25 20:46:16,169 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 122 [2020-10-25 20:46:16,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:16,169 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-10-25 20:46:16,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:46:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-10-25 20:46:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-25 20:46:16,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:16,184 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:46:16,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:46:16,184 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:16,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1337004674, now seen corresponding path program 1 times [2020-10-25 20:46:16,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:16,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900900131] [2020-10-25 20:46:16,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-25 20:46:16,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900900131] [2020-10-25 20:46:16,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:16,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:16,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791683705] [2020-10-25 20:46:16,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:46:16,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:16,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:46:16,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:46:16,549 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-10-25 20:46:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:17,810 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-10-25 20:46:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:46:17,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 202 [2020-10-25 20:46:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:17,818 INFO L225 Difference]: With dead ends: 1993 [2020-10-25 20:46:17,818 INFO L226 Difference]: Without dead ends: 1072 [2020-10-25 20:46:17,820 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 20:46:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-25 20:46:17,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-10-25 20:46:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-25 20:46:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-10-25 20:46:17,849 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 202 [2020-10-25 20:46:17,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:17,851 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-10-25 20:46:17,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:46:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-10-25 20:46:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-25 20:46:17,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:17,860 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:17,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:46:17,861 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:17,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:17,861 INFO L82 PathProgramCache]: Analyzing trace with hash -232137922, now seen corresponding path program 1 times [2020-10-25 20:46:17,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:17,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237978972] [2020-10-25 20:46:17,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 81 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:18,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237978972] [2020-10-25 20:46:18,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568799492] [2020-10-25 20:46:18,307 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 20:46:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:18,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:46:18,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:46:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-25 20:46:18,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:46:18,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-25 20:46:18,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689793166] [2020-10-25 20:46:18,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:18,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:18,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:18,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:46:18,810 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-10-25 20:46:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:19,906 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-10-25 20:46:19,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:19,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-10-25 20:46:19,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:19,914 INFO L225 Difference]: With dead ends: 2320 [2020-10-25 20:46:19,914 INFO L226 Difference]: Without dead ends: 1250 [2020-10-25 20:46:19,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:46:19,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-25 20:46:19,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-10-25 20:46:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-25 20:46:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-10-25 20:46:19,944 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 214 [2020-10-25 20:46:19,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:19,945 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-10-25 20:46:19,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-10-25 20:46:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-25 20:46:19,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:19,949 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:20,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:46:20,164 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:20,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:20,165 INFO L82 PathProgramCache]: Analyzing trace with hash -601156121, now seen corresponding path program 1 times [2020-10-25 20:46:20,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:20,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735614374] [2020-10-25 20:46:20,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:46:20,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735614374] [2020-10-25 20:46:20,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:20,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:20,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741305075] [2020-10-25 20:46:20,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:20,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:20,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:20,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:20,368 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-10-25 20:46:21,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:21,372 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-10-25 20:46:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:21,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-25 20:46:21,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:21,383 INFO L225 Difference]: With dead ends: 2854 [2020-10-25 20:46:21,384 INFO L226 Difference]: Without dead ends: 1784 [2020-10-25 20:46:21,386 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 20:46:21,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-25 20:46:21,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2020-10-25 20:46:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-25 20:46:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2013 transitions. [2020-10-25 20:46:21,431 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2013 transitions. Word has length 217 [2020-10-25 20:46:21,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:21,432 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2013 transitions. [2020-10-25 20:46:21,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2013 transitions. [2020-10-25 20:46:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-25 20:46:21,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:21,439 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 20:46:21,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:46:21,439 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:21,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:21,440 INFO L82 PathProgramCache]: Analyzing trace with hash -768008881, now seen corresponding path program 1 times [2020-10-25 20:46:21,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:21,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623648953] [2020-10-25 20:46:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-25 20:46:21,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623648953] [2020-10-25 20:46:21,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:21,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:21,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554623538] [2020-10-25 20:46:21,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:46:21,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:21,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:46:21,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:46:21,855 INFO L87 Difference]: Start difference. First operand 1784 states and 2013 transitions. Second operand 4 states. [2020-10-25 20:46:23,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:23,043 INFO L93 Difference]: Finished difference Result 3624 states and 4105 transitions. [2020-10-25 20:46:23,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:46:23,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 334 [2020-10-25 20:46:23,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:23,054 INFO L225 Difference]: With dead ends: 3624 [2020-10-25 20:46:23,055 INFO L226 Difference]: Without dead ends: 1962 [2020-10-25 20:46:23,058 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 20:46:23,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-25 20:46:23,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-10-25 20:46:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-25 20:46:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 1934 transitions. [2020-10-25 20:46:23,108 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 1934 transitions. Word has length 334 [2020-10-25 20:46:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:23,110 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 1934 transitions. [2020-10-25 20:46:23,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:46:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 1934 transitions. [2020-10-25 20:46:23,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2020-10-25 20:46:23,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:23,120 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:23,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:46:23,120 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:23,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:23,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1751796249, now seen corresponding path program 1 times [2020-10-25 20:46:23,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:23,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026077592] [2020-10-25 20:46:23,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:46:23,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026077592] [2020-10-25 20:46:23,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:23,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:23,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266945202] [2020-10-25 20:46:23,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:23,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:23,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:23,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:23,606 INFO L87 Difference]: Start difference. First operand 1784 states and 1934 transitions. Second operand 3 states. [2020-10-25 20:46:24,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:24,504 INFO L93 Difference]: Finished difference Result 4278 states and 4675 transitions. [2020-10-25 20:46:24,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:24,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 429 [2020-10-25 20:46:24,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:24,519 INFO L225 Difference]: With dead ends: 4278 [2020-10-25 20:46:24,519 INFO L226 Difference]: Without dead ends: 2674 [2020-10-25 20:46:24,523 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 20:46:24,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-25 20:46:24,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2140. [2020-10-25 20:46:24,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-25 20:46:24,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2293 transitions. [2020-10-25 20:46:24,582 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2293 transitions. Word has length 429 [2020-10-25 20:46:24,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:24,583 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2293 transitions. [2020-10-25 20:46:24,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2293 transitions. [2020-10-25 20:46:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-10-25 20:46:24,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:24,595 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:46:24,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:46:24,596 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:24,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:24,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1536610928, now seen corresponding path program 1 times [2020-10-25 20:46:24,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:24,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652399051] [2020-10-25 20:46:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:46:25,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652399051] [2020-10-25 20:46:25,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:25,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:25,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450642273] [2020-10-25 20:46:25,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:25,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:25,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:25,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:25,017 INFO L87 Difference]: Start difference. First operand 2140 states and 2293 transitions. Second operand 3 states. [2020-10-25 20:46:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:26,026 INFO L93 Difference]: Finished difference Result 4634 states and 5045 transitions. [2020-10-25 20:46:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:26,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 436 [2020-10-25 20:46:26,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:26,043 INFO L225 Difference]: With dead ends: 4634 [2020-10-25 20:46:26,044 INFO L226 Difference]: Without dead ends: 2674 [2020-10-25 20:46:26,048 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 20:46:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-25 20:46:26,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-25 20:46:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-25 20:46:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2662 transitions. [2020-10-25 20:46:26,114 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2662 transitions. Word has length 436 [2020-10-25 20:46:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:26,115 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2662 transitions. [2020-10-25 20:46:26,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2662 transitions. [2020-10-25 20:46:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2020-10-25 20:46:26,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:26,132 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 20:46:26,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:46:26,133 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:26,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:26,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1506184816, now seen corresponding path program 1 times [2020-10-25 20:46:26,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:26,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677735925] [2020-10-25 20:46:26,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-25 20:46:26,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677735925] [2020-10-25 20:46:26,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:26,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:26,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695435717] [2020-10-25 20:46:26,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:26,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:26,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:26,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:26,688 INFO L87 Difference]: Start difference. First operand 2496 states and 2662 transitions. Second operand 3 states. [2020-10-25 20:46:27,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:27,701 INFO L93 Difference]: Finished difference Result 5524 states and 5973 transitions. [2020-10-25 20:46:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:27,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 591 [2020-10-25 20:46:27,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:27,718 INFO L225 Difference]: With dead ends: 5524 [2020-10-25 20:46:27,719 INFO L226 Difference]: Without dead ends: 3208 [2020-10-25 20:46:27,723 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 20:46:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-25 20:46:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-10-25 20:46:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-25 20:46:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3228 transitions. [2020-10-25 20:46:27,796 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3228 transitions. Word has length 591 [2020-10-25 20:46:27,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:27,798 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3228 transitions. [2020-10-25 20:46:27,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3228 transitions. [2020-10-25 20:46:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2020-10-25 20:46:27,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:27,816 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 20:46:27,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:46:27,816 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:27,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:27,817 INFO L82 PathProgramCache]: Analyzing trace with hash -312113725, now seen corresponding path program 1 times [2020-10-25 20:46:27,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:27,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072243491] [2020-10-25 20:46:27,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 761 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2020-10-25 20:46:28,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072243491] [2020-10-25 20:46:28,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:46:28,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:46:28,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5016096] [2020-10-25 20:46:28,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:28,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:28,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:28,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:46:28,566 INFO L87 Difference]: Start difference. First operand 3030 states and 3228 transitions. Second operand 3 states. [2020-10-25 20:46:29,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:29,537 INFO L93 Difference]: Finished difference Result 6592 states and 7097 transitions. [2020-10-25 20:46:29,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:29,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 609 [2020-10-25 20:46:29,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:29,557 INFO L225 Difference]: With dead ends: 6592 [2020-10-25 20:46:29,557 INFO L226 Difference]: Without dead ends: 3742 [2020-10-25 20:46:29,562 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 20:46:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-25 20:46:29,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-10-25 20:46:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:46:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3621 transitions. [2020-10-25 20:46:29,634 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3621 transitions. Word has length 609 [2020-10-25 20:46:29,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:29,635 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3621 transitions. [2020-10-25 20:46:29,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3621 transitions. [2020-10-25 20:46:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2020-10-25 20:46:29,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:29,641 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 20:46:29,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:46:29,642 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:29,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:29,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1979928893, now seen corresponding path program 1 times [2020-10-25 20:46:29,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:29,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295840041] [2020-10-25 20:46:29,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 847 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:46:30,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295840041] [2020-10-25 20:46:30,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465887248] [2020-10-25 20:46:30,280 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 20:46:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:30,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:46:30,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:46:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-25 20:46:30,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:46:30,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:46:30,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6856047] [2020-10-25 20:46:30,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:30,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:30,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:30,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:46:30,791 INFO L87 Difference]: Start difference. First operand 3386 states and 3621 transitions. Second operand 3 states. [2020-10-25 20:46:31,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:31,658 INFO L93 Difference]: Finished difference Result 7660 states and 8181 transitions. [2020-10-25 20:46:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:31,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 632 [2020-10-25 20:46:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:31,677 INFO L225 Difference]: With dead ends: 7660 [2020-10-25 20:46:31,677 INFO L226 Difference]: Without dead ends: 3564 [2020-10-25 20:46:31,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 632 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 20:46:31,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-25 20:46:31,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-10-25 20:46:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:46:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3600 transitions. [2020-10-25 20:46:31,753 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3600 transitions. Word has length 632 [2020-10-25 20:46:31,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:31,754 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3600 transitions. [2020-10-25 20:46:31,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3600 transitions. [2020-10-25 20:46:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2020-10-25 20:46:31,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:31,763 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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 20:46:31,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-25 20:46:31,979 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:31,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:31,981 INFO L82 PathProgramCache]: Analyzing trace with hash 207404911, now seen corresponding path program 1 times [2020-10-25 20:46:31,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:31,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183003170] [2020-10-25 20:46:31,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 1259 proven. 155 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2020-10-25 20:46:32,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183003170] [2020-10-25 20:46:32,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662655682] [2020-10-25 20:46:32,718 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 20:46:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:32,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:46:33,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:46:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-25 20:46:33,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:46:33,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:46:33,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616321572] [2020-10-25 20:46:33,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:33,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:33,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:33,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:46:33,408 INFO L87 Difference]: Start difference. First operand 3386 states and 3600 transitions. Second operand 3 states. [2020-10-25 20:46:34,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:34,258 INFO L93 Difference]: Finished difference Result 4278 states and 4538 transitions. [2020-10-25 20:46:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:34,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 779 [2020-10-25 20:46:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:34,279 INFO L225 Difference]: With dead ends: 4278 [2020-10-25 20:46:34,279 INFO L226 Difference]: Without dead ends: 4276 [2020-10-25 20:46:34,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 779 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 20:46:34,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-25 20:46:34,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-10-25 20:46:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:46:34,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-25 20:46:34,362 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 779 [2020-10-25 20:46:34,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:34,363 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-25 20:46:34,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-25 20:46:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2020-10-25 20:46:34,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:46:34,374 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, 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, 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 20:46:34,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-25 20:46:34,590 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:46:34,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:46:34,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1373240018, now seen corresponding path program 1 times [2020-10-25 20:46:34,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:46:34,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346748443] [2020-10-25 20:46:34,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:46:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2306 backedges. 1730 proven. 110 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2020-10-25 20:46:35,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346748443] [2020-10-25 20:46:35,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920683898] [2020-10-25 20:46:35,397 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 20:46:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:46:35,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:46:35,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:46:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2306 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-25 20:46:36,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:46:36,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:46:36,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255407507] [2020-10-25 20:46:36,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:46:36,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:46:36,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:46:36,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:46:36,306 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-25 20:46:37,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:37,227 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-10-25 20:46:37,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:37,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 810 [2020-10-25 20:46:37,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:37,231 INFO L225 Difference]: With dead ends: 7302 [2020-10-25 20:46:37,231 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:46:37,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 813 GetRequests, 810 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 20:46:37,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:46:37,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:46:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:46:37,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:46:37,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 810 [2020-10-25 20:46:37,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:37,242 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:46:37,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:46:37,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:46:37,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:46:37,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:46:37,803 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-25 20:46:38,012 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-25 20:46:38,017 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,018 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-25 20:46:38,019 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,021 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,021 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,021 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-25 20:46:38,022 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:46:38,022 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:46:38,022 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:46:38,022 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-25 20:46:38,022 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-25 20:46:38,023 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-25 20:46:38,023 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-25 20:46:38,023 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-25 20:46:38,024 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,025 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,025 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,026 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-25 20:46:38,026 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:46:38,026 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:46:38,026 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:46:38,026 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-25 20:46:38,027 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-25 20:46:38,027 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-25 20:46:38,027 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,027 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,027 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,027 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-25 20:46:38,028 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:46:38,028 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:46:38,028 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:46:38,028 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-25 20:46:38,028 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-25 20:46:38,028 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-25 20:46:38,029 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-25 20:46:38,029 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-25 20:46:38,029 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,029 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,029 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,029 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-25 20:46:38,030 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:46:38,030 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:46:38,030 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:46:38,030 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-25 20:46:38,030 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-25 20:46:38,030 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-25 20:46:38,031 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-25 20:46:38,032 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,032 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,032 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,032 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:46:38,032 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:46:38,033 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:46:38,033 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-25 20:46:38,033 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-25 20:46:38,033 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-25 20:46:38,034 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:46:38,034 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-25 20:46:38,034 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-25 20:46:38,034 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,034 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,034 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,035 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-25 20:46:38,035 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-25 20:46:38,035 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:46:38,035 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:46:38,035 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:46:38,035 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-25 20:46:38,035 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-25 20:46:38,036 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-25 20:46:38,036 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,036 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,036 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,036 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:46:38,036 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:46:38,037 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:46:38,037 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-25 20:46:38,037 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-25 20:46:38,037 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-25 20:46:38,037 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-25 20:46:38,038 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-25 20:46:38,038 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,038 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,039 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,039 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:46:38,039 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:46:38,039 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-25 20:46:38,039 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-25 20:46:38,039 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:46:38,040 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:46:38,040 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:46:38,040 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-25 20:46:38,040 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-25 20:46:38,040 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-25 20:46:38,040 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,041 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,041 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,041 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-25 20:46:38,041 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:46:38,041 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:46:38,041 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:46:38,042 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-25 20:46:38,042 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-25 20:46:38,042 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:46:38,042 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-25 20:46:38,042 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-25 20:46:38,042 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,042 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,043 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,043 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-25 20:46:38,043 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:46:38,043 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:46:38,043 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:46:38,043 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-25 20:46:38,043 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-25 20:46:38,044 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-25 20:46:38,044 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-25 20:46:38,044 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,044 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,044 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-25 20:46:38,044 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:46:38,045 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:46:38,045 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-25 20:46:38,045 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-25 20:46:38,045 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-25 20:46:38,045 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-25 20:46:38,045 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-25 20:46:38,046 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,046 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,046 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-25 20:46:38,046 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:46:38,046 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:46:38,046 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-25 20:46:38,046 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-25 20:46:38,047 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-25 20:46:38,047 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,047 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,049 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 20:46:38,050 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-25 20:46:38,050 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-25 20:46:38,050 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:46:38,050 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:46:38,051 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-25 20:46:38,051 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-25 20:46:38,051 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-25 20:46:38,051 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-25 20:46:38,051 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,051 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,051 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-25 20:46:38,052 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-25 20:46:38,052 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-25 20:46:38,052 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:46:38,052 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:46:38,052 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-25 20:46:38,052 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-25 20:46:38,053 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-25 20:46:38,053 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:46:38,053 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,053 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,053 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-25 20:46:38,053 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-25 20:46:38,053 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:46:38,054 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:46:38,054 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-25 20:46:38,054 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-25 20:46:38,054 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,054 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,054 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:46:38,054 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,055 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-25 20:46:38,055 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 20:46:38,055 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-25 20:46:38,055 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-25 20:46:38,056 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:46:38,056 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:46:38,056 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:46:38,056 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-25 20:46:38,056 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-25 20:46:38,056 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-25 20:46:38,056 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-25 20:46:38,057 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,057 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,057 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,057 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-25 20:46:38,057 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:46:38,057 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:46:38,057 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:46:38,058 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-25 20:46:38,058 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:46:38,058 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-25 20:46:38,058 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-25 20:46:38,058 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-25 20:46:38,058 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-25 20:46:38,059 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,059 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,059 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,059 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-25 20:46:38,059 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-25 20:46:38,059 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:46:38,059 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:46:38,060 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:46:38,060 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-25 20:46:38,060 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-25 20:46:38,060 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-25 20:46:38,060 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,060 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,060 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,061 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-25 20:46:38,061 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:46:38,061 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:46:38,061 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:46:38,061 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-25 20:46:38,061 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-25 20:46:38,061 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-25 20:46:38,062 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-25 20:46:38,062 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-25 20:46:38,062 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,062 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,063 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:38,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:46:38 BoogieIcfgContainer [2020-10-25 20:46:38,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:46:38,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:46:38,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:46:38,092 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:46:38,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:46:10" (3/4) ... [2020-10-25 20:46:38,098 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:46:38,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:46:38,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:46:38,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:46:38,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:46:38,338 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:46:38,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:46:38,340 INFO L168 Benchmark]: Toolchain (without parser) took 30600.66 ms. Allocated memory was 48.2 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 23.0 MB in the beginning and 603.5 MB in the end (delta: -580.5 MB). Peak memory consumption was 480.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:38,340 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 48.2 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:46:38,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 932.91 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 34.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:38,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.79 ms. Allocated memory is still 58.7 MB. Free memory was 34.5 MB in the beginning and 25.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:38,341 INFO L168 Benchmark]: Boogie Preprocessor took 160.70 ms. Allocated memory is still 58.7 MB. Free memory was 25.1 MB in the beginning and 29.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:38,342 INFO L168 Benchmark]: RCFGBuilder took 1832.29 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 29.1 MB in the beginning and 59.1 MB in the end (delta: -30.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:38,342 INFO L168 Benchmark]: TraceAbstraction took 27291.35 ms. Allocated memory was 94.4 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 58.6 MB in the beginning and 623.4 MB in the end (delta: -564.9 MB). Peak memory consumption was 447.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:38,343 INFO L168 Benchmark]: Witness Printer took 246.39 ms. Allocated memory is still 1.1 GB. Free memory was 622.4 MB in the beginning and 603.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:38,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 48.2 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 932.91 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 34.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.79 ms. Allocated memory is still 58.7 MB. Free memory was 34.5 MB in the beginning and 25.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 160.70 ms. Allocated memory is still 58.7 MB. Free memory was 25.1 MB in the beginning and 29.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1832.29 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 29.1 MB in the beginning and 59.1 MB in the end (delta: -30.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27291.35 ms. Allocated memory was 94.4 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 58.6 MB in the beginning and 623.4 MB in the end (delta: -564.9 MB). Peak memory consumption was 447.7 MB. Max. memory is 16.1 GB. * Witness Printer took 246.39 ms. Allocated memory is still 1.1 GB. Free memory was 622.4 MB in the beginning and 603.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 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: 26.5s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1910 SDtfs, 1944 SDslu, 77 SDs, 0 SdLazy, 7204 SolverSat, 907 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2476 GetRequests, 2449 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s 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, 2848 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2626 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 7961 NumberOfCodeBlocks, 7961 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 7943 ConstructedInterpolants, 0 QuantifiedInterpolants, 8648420 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3163 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 14915/15355 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...