./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer --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 f33fbcbeea92375203458d523a51a600f74086f3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:02:16,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:02:16,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:02:16,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:02:16,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:02:16,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:02:16,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:02:16,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:02:16,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:02:16,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:02:16,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:02:16,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:02:16,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:02:16,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:02:16,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:02:16,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:02:16,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:02:16,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:02:16,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:02:16,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:02:16,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:02:16,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:02:16,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:02:16,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:02:16,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:02:16,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:02:16,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:02:16,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:02:16,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:02:16,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:02:16,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:02:16,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:02:16,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:02:16,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:02:16,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:02:16,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:02:16,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:02:16,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:02:16,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:02:16,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:02:16,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:02:16,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:02:16,418 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:02:16,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:02:16,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:02:16,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:02:16,421 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:02:16,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:02:16,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:02:16,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:02:16,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:02:16,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:02:16,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:02:16,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:02:16,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:02:16,424 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:02:16,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:02:16,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:02:16,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:02:16,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:02:16,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:02:16,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:02:16,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:02:16,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:02:16,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:02:16,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:02:16,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:02:16,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:02:16,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:02:16,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:02:16,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:02:16,429 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:/tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f33fbcbeea92375203458d523a51a600f74086f3 [2020-11-28 03:02:16,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:02:16,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:02:16,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:02:16,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:02:16,825 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:02:16,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2020-11-28 03:02:16,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/ed3e4584f/c9d5d32c1bb940998019c33b9892245b/FLAGb14f69426 [2020-11-28 03:02:17,618 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:02:17,629 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2020-11-28 03:02:17,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/ed3e4584f/c9d5d32c1bb940998019c33b9892245b/FLAGb14f69426 [2020-11-28 03:02:17,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/data/ed3e4584f/c9d5d32c1bb940998019c33b9892245b [2020-11-28 03:02:17,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:02:17,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:02:17,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:17,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:02:17,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:02:17,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:17" (1/1) ... [2020-11-28 03:02:17,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbbd4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:17, skipping insertion in model container [2020-11-28 03:02:17,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:17" (1/1) ... [2020-11-28 03:02:17,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:02:17,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:02:18,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:18,373 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:02:18,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:18,559 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:02:18,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18 WrapperNode [2020-11-28 03:02:18,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:18,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:18,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:02:18,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:02:18,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:18,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:02:18,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:02:18,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:02:18,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... [2020-11-28 03:02:18,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:02:18,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:02:18,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:02:18,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:02:18,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/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 [2020-11-28 03:02:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:02:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:02:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:02:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:02:20,818 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:02:20,819 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:02:20,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:20 BoogieIcfgContainer [2020-11-28 03:02:20,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:02:20,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:02:20,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:02:20,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:02:20,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:17" (1/3) ... [2020-11-28 03:02:20,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18768a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:20, skipping insertion in model container [2020-11-28 03:02:20,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:18" (2/3) ... [2020-11-28 03:02:20,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18768a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:20, skipping insertion in model container [2020-11-28 03:02:20,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:20" (3/3) ... [2020-11-28 03:02:20,831 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label16.c [2020-11-28 03:02:20,844 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:02:20,849 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:02:20,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:02:20,901 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:02:20,901 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:02:20,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:02:20,901 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:02:20,902 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:02:20,902 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:02:20,902 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:02:20,902 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:02:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-28 03:02:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 03:02:20,928 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:20,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:20,929 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:20,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:20,934 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2020-11-28 03:02:20,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:20,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410619162] [2020-11-28 03:02:20,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:21,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:21,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410619162] [2020-11-28 03:02:21,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:21,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:02:21,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912627492] [2020-11-28 03:02:21,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:21,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:21,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:21,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:02:21,287 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-28 03:02:23,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:23,169 INFO L93 Difference]: Finished difference Result 686 states and 1217 transitions. [2020-11-28 03:02:23,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:23,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-11-28 03:02:23,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:23,186 INFO L225 Difference]: With dead ends: 686 [2020-11-28 03:02:23,187 INFO L226 Difference]: Without dead ends: 360 [2020-11-28 03:02:23,192 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 [2020-11-28 03:02:23,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-28 03:02:23,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-28 03:02:23,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-28 03:02:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-11-28 03:02:23,304 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 46 [2020-11-28 03:02:23,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:23,304 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-11-28 03:02:23,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-11-28 03:02:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-28 03:02:23,324 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:23,325 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:23,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:02:23,325 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:23,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:23,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1332472033, now seen corresponding path program 1 times [2020-11-28 03:02:23,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:23,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005257878] [2020-11-28 03:02:23,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:23,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005257878] [2020-11-28 03:02:23,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:23,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:02:23,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582032036] [2020-11-28 03:02:23,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:02:23,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:02:23,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:02:23,719 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2020-11-28 03:02:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:25,485 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2020-11-28 03:02:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:02:25,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-11-28 03:02:25,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:25,493 INFO L225 Difference]: With dead ends: 1074 [2020-11-28 03:02:25,493 INFO L226 Difference]: Without dead ends: 716 [2020-11-28 03:02:25,496 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 [2020-11-28 03:02:25,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-28 03:02:25,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-11-28 03:02:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-28 03:02:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2020-11-28 03:02:25,561 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 125 [2020-11-28 03:02:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:25,564 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2020-11-28 03:02:25,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:02:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2020-11-28 03:02:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-28 03:02:25,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:25,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:25,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:02:25,571 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:25,572 INFO L82 PathProgramCache]: Analyzing trace with hash 31802846, now seen corresponding path program 1 times [2020-11-28 03:02:25,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:25,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569570038] [2020-11-28 03:02:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:25,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569570038] [2020-11-28 03:02:25,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281551036] [2020-11-28 03:02:25,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/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 [2020-11-28 03:02:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:26,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:26,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:26,156 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:26,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:02:26,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:02:26,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320053233] [2020-11-28 03:02:26,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:26,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:26,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:26,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:02:26,159 INFO L87 Difference]: Start difference. First operand 716 states and 902 transitions. Second operand 3 states. [2020-11-28 03:02:27,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:27,645 INFO L93 Difference]: Finished difference Result 1964 states and 2499 transitions. [2020-11-28 03:02:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:27,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-11-28 03:02:27,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:27,656 INFO L225 Difference]: With dead ends: 1964 [2020-11-28 03:02:27,664 INFO L226 Difference]: Without dead ends: 1250 [2020-11-28 03:02:27,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:02:27,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-11-28 03:02:27,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2020-11-28 03:02:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-11-28 03:02:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2020-11-28 03:02:27,713 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 151 [2020-11-28 03:02:27,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:27,716 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2020-11-28 03:02:27,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2020-11-28 03:02:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-28 03:02:27,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:27,722 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:02:27,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-28 03:02:27,938 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:27,938 INFO L82 PathProgramCache]: Analyzing trace with hash 289729523, now seen corresponding path program 1 times [2020-11-28 03:02:27,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:27,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22677638] [2020-11-28 03:02:27,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 03:02:28,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22677638] [2020-11-28 03:02:28,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:28,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:02:28,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212181090] [2020-11-28 03:02:28,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:02:28,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:28,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:02:28,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:02:28,251 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand 4 states. [2020-11-28 03:02:29,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:29,691 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2020-11-28 03:02:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:02:29,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 205 [2020-11-28 03:02:29,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:29,707 INFO L225 Difference]: With dead ends: 2705 [2020-11-28 03:02:29,708 INFO L226 Difference]: Without dead ends: 1606 [2020-11-28 03:02:29,710 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 [2020-11-28 03:02:29,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-11-28 03:02:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2020-11-28 03:02:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-28 03:02:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2020-11-28 03:02:29,756 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 205 [2020-11-28 03:02:29,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:29,758 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2020-11-28 03:02:29,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:02:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2020-11-28 03:02:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-11-28 03:02:29,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:29,765 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:29,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:02:29,766 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:29,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:29,767 INFO L82 PathProgramCache]: Analyzing trace with hash 282915776, now seen corresponding path program 1 times [2020-11-28 03:02:29,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:29,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278627630] [2020-11-28 03:02:29,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 179 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-28 03:02:30,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278627630] [2020-11-28 03:02:30,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724594888] [2020-11-28 03:02:30,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/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 [2020-11-28 03:02:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:30,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:30,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-11-28 03:02:30,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:02:30,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-28 03:02:30,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753206552] [2020-11-28 03:02:30,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:30,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:30,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:30,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:02:30,775 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand 3 states. [2020-11-28 03:02:31,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:31,992 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2020-11-28 03:02:31,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:31,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-11-28 03:02:31,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:32,005 INFO L225 Difference]: With dead ends: 3388 [2020-11-28 03:02:32,006 INFO L226 Difference]: Without dead ends: 1962 [2020-11-28 03:02:32,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:02:32,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-11-28 03:02:32,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-11-28 03:02:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-11-28 03:02:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2020-11-28 03:02:32,056 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 332 [2020-11-28 03:02:32,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:32,057 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2020-11-28 03:02:32,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2020-11-28 03:02:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-28 03:02:32,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:32,064 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:02:32,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:32,278 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:32,278 INFO L82 PathProgramCache]: Analyzing trace with hash -649782730, now seen corresponding path program 1 times [2020-11-28 03:02:32,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:32,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245132017] [2020-11-28 03:02:32,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 262 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:32,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245132017] [2020-11-28 03:02:32,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422089121] [2020-11-28 03:02:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/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 [2020-11-28 03:02:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:33,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:33,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-11-28 03:02:33,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:02:33,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:02:33,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866401887] [2020-11-28 03:02:33,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:33,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:33,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:33,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:02:33,207 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand 3 states. [2020-11-28 03:02:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:34,139 INFO L93 Difference]: Finished difference Result 2320 states and 2616 transitions. [2020-11-28 03:02:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:34,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-11-28 03:02:34,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:34,153 INFO L225 Difference]: With dead ends: 2320 [2020-11-28 03:02:34,154 INFO L226 Difference]: Without dead ends: 2318 [2020-11-28 03:02:34,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:02:34,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-11-28 03:02:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1962. [2020-11-28 03:02:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-28 03:02:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2232 transitions. [2020-11-28 03:02:34,206 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2232 transitions. Word has length 336 [2020-11-28 03:02:34,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:34,207 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2232 transitions. [2020-11-28 03:02:34,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2232 transitions. [2020-11-28 03:02:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2020-11-28 03:02:34,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:34,218 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:34,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:34,433 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:34,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:34,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1039277736, now seen corresponding path program 1 times [2020-11-28 03:02:34,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:34,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825238079] [2020-11-28 03:02:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 599 proven. 130 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-28 03:02:35,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825238079] [2020-11-28 03:02:35,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008623071] [2020-11-28 03:02:35,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/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 [2020-11-28 03:02:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:35,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:35,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2020-11-28 03:02:35,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:02:35,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:02:35,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650298868] [2020-11-28 03:02:35,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:35,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:35,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:35,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:02:35,485 INFO L87 Difference]: Start difference. First operand 1962 states and 2232 transitions. Second operand 3 states. [2020-11-28 03:02:36,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:36,459 INFO L93 Difference]: Finished difference Result 4456 states and 5168 transitions. [2020-11-28 03:02:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:36,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 460 [2020-11-28 03:02:36,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:36,476 INFO L225 Difference]: With dead ends: 4456 [2020-11-28 03:02:36,477 INFO L226 Difference]: Without dead ends: 2674 [2020-11-28 03:02:36,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:02:36,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-28 03:02:36,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2020-11-28 03:02:36,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-11-28 03:02:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2678 transitions. [2020-11-28 03:02:36,541 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2678 transitions. Word has length 460 [2020-11-28 03:02:36,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:36,542 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2678 transitions. [2020-11-28 03:02:36,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2678 transitions. [2020-11-28 03:02:36,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2020-11-28 03:02:36,558 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:36,559 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:36,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:36,773 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:36,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:36,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1583661625, now seen corresponding path program 1 times [2020-11-28 03:02:36,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:36,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642661180] [2020-11-28 03:02:36,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 633 proven. 130 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-28 03:02:37,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642661180] [2020-11-28 03:02:37,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746506040] [2020-11-28 03:02:37,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:37,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:37,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-11-28 03:02:38,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:02:38,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:02:38,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246997905] [2020-11-28 03:02:38,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:38,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:38,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:38,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:02:38,108 INFO L87 Difference]: Start difference. First operand 2318 states and 2678 transitions. Second operand 3 states. [2020-11-28 03:02:38,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:38,928 INFO L93 Difference]: Finished difference Result 5344 states and 6268 transitions. [2020-11-28 03:02:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:38,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 530 [2020-11-28 03:02:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:38,930 INFO L225 Difference]: With dead ends: 5344 [2020-11-28 03:02:38,930 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:02:38,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:02:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:02:38,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:02:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:02:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:02:38,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 530 [2020-11-28 03:02:38,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:38,936 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:38,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:02:38,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:02:39,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:02:39,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:02:39,286 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-28 03:02:39,286 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-28 03:02:39,286 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-28 03:02:39,286 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:02:39,287 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,288 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-28 03:02:39,289 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:02:39,290 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:02:39,291 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,292 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-28 03:02:39,293 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-28 03:02:39,294 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,294 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,294 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,294 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-28 03:02:39,294 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:02:39,294 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:02:39,294 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,295 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-28 03:02:39,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:02:39,297 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,297 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,297 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,301 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-28 03:02:39,302 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:02:39,303 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-28 03:02:39,304 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-28 03:02:39,308 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-28 03:02:39,308 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-28 03:02:39,308 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,310 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,310 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,310 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:02:39,310 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:02:39,310 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:02:39,310 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:02:39,311 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-28 03:02:39,311 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:02:39,311 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-28 03:02:39,311 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-28 03:02:39,311 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:02:39,312 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:02:39,313 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,314 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-28 03:02:39,315 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-28 03:02:39,316 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-28 03:02:39,316 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,316 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,316 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,317 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-28 03:02:39,317 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:02:39,317 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:02:39,317 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,318 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,319 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-28 03:02:39,319 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:02:39,319 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:02:39,319 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:02:39,319 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-28 03:02:39,320 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-28 03:02:39,320 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-28 03:02:39,320 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-28 03:02:39,320 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,320 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-28 03:02:39,321 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-28 03:02:39,322 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-28 03:02:39,323 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,323 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,323 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (or (<= ~a21~0 7) (<= 6 ~a15~0) (<= 10 ~a21~0) (<= ~a12~0 80)) [2020-11-28 03:02:39,323 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-28 03:02:39,323 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-28 03:02:39,324 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:02:39,324 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:02:39,324 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-28 03:02:39,325 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-28 03:02:39,325 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-28 03:02:39,325 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-28 03:02:39,325 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,325 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,325 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,326 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-28 03:02:39,327 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,328 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,328 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:02:39,328 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,328 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-28 03:02:39,328 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (<= ~a21~0 7) (<= 6 ~a15~0) (<= 10 ~a21~0) (<= ~a12~0 80)) [2020-11-28 03:02:39,328 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-28 03:02:39,328 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-28 03:02:39,328 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,329 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,330 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:02:39,330 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-28 03:02:39,330 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:02:39,330 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:02:39,331 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:02:39,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:02:39 BoogieIcfgContainer [2020-11-28 03:02:39,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:02:39,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:02:39,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:02:39,361 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:02:39,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:20" (3/4) ... [2020-11-28 03:02:39,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:02:39,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:02:39,409 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:02:39,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:02:39,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:02:39,620 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_90276a1a-f9ff-4c17-bdb1-37f9a17dcf3c/bin/uautomizer/witness.graphml [2020-11-28 03:02:39,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:02:39,621 INFO L168 Benchmark]: Toolchain (without parser) took 21819.80 ms. Allocated memory was 96.5 MB in the beginning and 610.3 MB in the end (delta: 513.8 MB). Free memory was 62.7 MB in the beginning and 354.0 MB in the end (delta: -291.3 MB). Peak memory consumption was 222.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:39,622 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:39,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.83 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 52.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:39,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.20 ms. Allocated memory is still 96.5 MB. Free memory was 52.2 MB in the beginning and 42.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:39,624 INFO L168 Benchmark]: Boogie Preprocessor took 152.43 ms. Allocated memory is still 96.5 MB. Free memory was 42.7 MB in the beginning and 67.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:39,625 INFO L168 Benchmark]: RCFGBuilder took 1935.36 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 67.5 MB in the beginning and 94.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:39,625 INFO L168 Benchmark]: TraceAbstraction took 18535.57 ms. Allocated memory was 134.2 MB in the beginning and 610.3 MB in the end (delta: 476.1 MB). Free memory was 94.4 MB in the beginning and 372.9 MB in the end (delta: -278.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:39,626 INFO L168 Benchmark]: Witness Printer took 259.17 ms. Allocated memory is still 610.3 MB. Free memory was 372.9 MB in the beginning and 354.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:39,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.83 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 52.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.20 ms. Allocated memory is still 96.5 MB. Free memory was 52.2 MB in the beginning and 42.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.43 ms. Allocated memory is still 96.5 MB. Free memory was 42.7 MB in the beginning and 67.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1935.36 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 67.5 MB in the beginning and 94.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18535.57 ms. Allocated memory was 134.2 MB in the beginning and 610.3 MB in the end (delta: 476.1 MB). Free memory was 94.4 MB in the beginning and 372.9 MB in the end (delta: -278.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 16.1 GB. * Witness Printer took 259.17 ms. Allocated memory is still 610.3 MB. Free memory was 372.9 MB in the beginning and 354.0 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: 12]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((a21 <= 7 || 6 <= a15) || 10 <= a21) || a12 <= 80 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a21 <= 7 || 6 <= a15) || 10 <= a21) || a12 <= 80 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 796 SDtfs, 1366 SDslu, 45 SDs, 0 SdLazy, 4429 SolverSat, 756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1835 GetRequests, 1807 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2318occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 890 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 756 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3994 NumberOfCodeBlocks, 3994 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3981 ConstructedInterpolants, 0 QuantifiedInterpolants, 5552483 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2467 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 4443/5006 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...