./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/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 ebd8043c569a2735186138bd410041c177d4512b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:59:15,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:15,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:15,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:15,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:15,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:15,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:15,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:15,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:15,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:15,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:15,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:15,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:15,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:15,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:15,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:15,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:15,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:15,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:15,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:15,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:15,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:15,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:15,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:15,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:15,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:15,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:15,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:15,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:15,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:15,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:15,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:15,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:15,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:15,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:15,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:15,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:15,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:15,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:15,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:15,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:15,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:59:15,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:15,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:15,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:15,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:15,256 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:15,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:15,257 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:15,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:15,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:15,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:15,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:15,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:15,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:15,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:15,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:15,260 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:15,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:15,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:15,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:15,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:15,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:15,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:15,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:15,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:15,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:15,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:15,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:15,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:15,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:15,267 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_85861fb1-0536-456b-90cb-d14aa8592dac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd8043c569a2735186138bd410041c177d4512b [2020-11-28 02:59:15,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:15,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:15,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:15,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:15,514 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:15,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2020-11-28 02:59:15,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/data/71055ddfe/0d91addd1bf2426aa22b8f7e6e3c214b/FLAG44aae44fc [2020-11-28 02:59:16,253 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:16,254 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/sv-benchmarks/c/eca-rers2012/Problem03_label06.c [2020-11-28 02:59:16,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/data/71055ddfe/0d91addd1bf2426aa22b8f7e6e3c214b/FLAG44aae44fc [2020-11-28 02:59:16,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/data/71055ddfe/0d91addd1bf2426aa22b8f7e6e3c214b [2020-11-28 02:59:16,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:16,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:16,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:16,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:16,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:16,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:16" (1/1) ... [2020-11-28 02:59:16,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4c69ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:16, skipping insertion in model container [2020-11-28 02:59:16,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:16" (1/1) ... [2020-11-28 02:59:16,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:16,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:17,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:17,467 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:17,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:17,760 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:17,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17 WrapperNode [2020-11-28 02:59:17,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:17,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:17,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:17,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:17,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:17,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:17,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:17,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:17,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:18,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:18,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:18,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:18,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:18,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:18,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:18,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/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 02:59:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:20,408 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:20,413 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:59:20,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:20 BoogieIcfgContainer [2020-11-28 02:59:20,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:20,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:20,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:20,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:20,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:16" (1/3) ... [2020-11-28 02:59:20,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5086f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:20, skipping insertion in model container [2020-11-28 02:59:20,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (2/3) ... [2020-11-28 02:59:20,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5086f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:20, skipping insertion in model container [2020-11-28 02:59:20,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:20" (3/3) ... [2020-11-28 02:59:20,425 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label06.c [2020-11-28 02:59:20,438 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:20,443 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:59:20,454 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:59:20,492 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:20,492 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:20,493 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:20,493 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:20,493 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:20,493 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:20,493 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:20,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-28 02:59:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-28 02:59:20,537 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:20,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:20,538 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:20,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:20,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1533533723, now seen corresponding path program 1 times [2020-11-28 02:59:20,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:20,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578370765] [2020-11-28 02:59:20,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:21,297 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 02:59:21,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578370765] [2020-11-28 02:59:21,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:21,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:21,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919332920] [2020-11-28 02:59:21,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:21,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:21,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:21,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:21,318 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-28 02:59:23,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:23,062 INFO L93 Difference]: Finished difference Result 856 states and 1497 transitions. [2020-11-28 02:59:23,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:23,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-11-28 02:59:23,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:23,092 INFO L225 Difference]: With dead ends: 856 [2020-11-28 02:59:23,092 INFO L226 Difference]: Without dead ends: 460 [2020-11-28 02:59:23,113 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 02:59:23,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-11-28 02:59:23,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2020-11-28 02:59:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-11-28 02:59:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2020-11-28 02:59:23,206 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 169 [2020-11-28 02:59:23,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:23,207 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2020-11-28 02:59:23,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2020-11-28 02:59:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-28 02:59:23,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:23,212 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:23,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:23,213 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:23,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:23,214 INFO L82 PathProgramCache]: Analyzing trace with hash -703692535, now seen corresponding path program 1 times [2020-11-28 02:59:23,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:23,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352494561] [2020-11-28 02:59:23,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:23,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352494561] [2020-11-28 02:59:23,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:23,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:23,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369747208] [2020-11-28 02:59:23,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:23,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:23,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:23,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:23,356 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand 3 states. [2020-11-28 02:59:23,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:23,810 INFO L93 Difference]: Finished difference Result 1357 states and 2104 transitions. [2020-11-28 02:59:23,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:23,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-11-28 02:59:23,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:23,818 INFO L225 Difference]: With dead ends: 1357 [2020-11-28 02:59:23,818 INFO L226 Difference]: Without dead ends: 900 [2020-11-28 02:59:23,821 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 02:59:23,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-11-28 02:59:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 897. [2020-11-28 02:59:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-11-28 02:59:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1391 transitions. [2020-11-28 02:59:23,903 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1391 transitions. Word has length 174 [2020-11-28 02:59:23,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:23,903 INFO L481 AbstractCegarLoop]: Abstraction has 897 states and 1391 transitions. [2020-11-28 02:59:23,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1391 transitions. [2020-11-28 02:59:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-28 02:59:23,911 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:23,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:23,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:23,912 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:23,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:23,912 INFO L82 PathProgramCache]: Analyzing trace with hash 38709530, now seen corresponding path program 1 times [2020-11-28 02:59:23,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:23,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591743005] [2020-11-28 02:59:23,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:24,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591743005] [2020-11-28 02:59:24,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:24,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:24,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314651713] [2020-11-28 02:59:24,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:24,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:24,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:24,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:24,053 INFO L87 Difference]: Start difference. First operand 897 states and 1391 transitions. Second operand 3 states. [2020-11-28 02:59:25,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:25,438 INFO L93 Difference]: Finished difference Result 2646 states and 4125 transitions. [2020-11-28 02:59:25,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:25,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-11-28 02:59:25,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:25,450 INFO L225 Difference]: With dead ends: 2646 [2020-11-28 02:59:25,451 INFO L226 Difference]: Without dead ends: 1751 [2020-11-28 02:59:25,453 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 02:59:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2020-11-28 02:59:25,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1720. [2020-11-28 02:59:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2020-11-28 02:59:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2612 transitions. [2020-11-28 02:59:25,518 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2612 transitions. Word has length 177 [2020-11-28 02:59:25,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:25,518 INFO L481 AbstractCegarLoop]: Abstraction has 1720 states and 2612 transitions. [2020-11-28 02:59:25,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2612 transitions. [2020-11-28 02:59:25,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-28 02:59:25,524 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:25,525 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:25,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:59:25,525 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:25,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:25,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1648918409, now seen corresponding path program 1 times [2020-11-28 02:59:25,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:25,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286121820] [2020-11-28 02:59:25,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:25,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286121820] [2020-11-28 02:59:25,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:25,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:25,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585253274] [2020-11-28 02:59:25,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:25,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:25,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:25,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:25,681 INFO L87 Difference]: Start difference. First operand 1720 states and 2612 transitions. Second operand 3 states. [2020-11-28 02:59:26,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:26,976 INFO L93 Difference]: Finished difference Result 5112 states and 7783 transitions. [2020-11-28 02:59:26,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:26,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-11-28 02:59:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:26,996 INFO L225 Difference]: With dead ends: 5112 [2020-11-28 02:59:26,996 INFO L226 Difference]: Without dead ends: 3394 [2020-11-28 02:59:26,999 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 02:59:27,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2020-11-28 02:59:27,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3376. [2020-11-28 02:59:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3376 states. [2020-11-28 02:59:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4884 transitions. [2020-11-28 02:59:27,088 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4884 transitions. Word has length 183 [2020-11-28 02:59:27,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:27,089 INFO L481 AbstractCegarLoop]: Abstraction has 3376 states and 4884 transitions. [2020-11-28 02:59:27,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4884 transitions. [2020-11-28 02:59:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-28 02:59:27,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:27,096 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:27,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:59:27,096 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:27,097 INFO L82 PathProgramCache]: Analyzing trace with hash -791588388, now seen corresponding path program 1 times [2020-11-28 02:59:27,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:27,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332679078] [2020-11-28 02:59:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 02:59:27,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332679078] [2020-11-28 02:59:27,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:27,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:27,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773159020] [2020-11-28 02:59:27,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:27,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:27,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:27,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:27,213 INFO L87 Difference]: Start difference. First operand 3376 states and 4884 transitions. Second operand 3 states. [2020-11-28 02:59:28,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:28,537 INFO L93 Difference]: Finished difference Result 10045 states and 14562 transitions. [2020-11-28 02:59:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:28,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-11-28 02:59:28,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:28,581 INFO L225 Difference]: With dead ends: 10045 [2020-11-28 02:59:28,581 INFO L226 Difference]: Without dead ends: 6671 [2020-11-28 02:59:28,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2020-11-28 02:59:28,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 6630. [2020-11-28 02:59:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6630 states. [2020-11-28 02:59:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6630 states to 6630 states and 9372 transitions. [2020-11-28 02:59:28,806 INFO L78 Accepts]: Start accepts. Automaton has 6630 states and 9372 transitions. Word has length 191 [2020-11-28 02:59:28,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:28,807 INFO L481 AbstractCegarLoop]: Abstraction has 6630 states and 9372 transitions. [2020-11-28 02:59:28,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 6630 states and 9372 transitions. [2020-11-28 02:59:28,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-28 02:59:28,858 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:28,858 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:28,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:59:28,859 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:28,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,859 INFO L82 PathProgramCache]: Analyzing trace with hash -537647806, now seen corresponding path program 1 times [2020-11-28 02:59:28,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317430856] [2020-11-28 02:59:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 02:59:28,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317430856] [2020-11-28 02:59:28,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:28,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:28,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284038108] [2020-11-28 02:59:28,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:28,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:28,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:28,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:28,975 INFO L87 Difference]: Start difference. First operand 6630 states and 9372 transitions. Second operand 3 states. [2020-11-28 02:59:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:30,399 INFO L93 Difference]: Finished difference Result 13247 states and 18733 transitions. [2020-11-28 02:59:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:30,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-28 02:59:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:30,443 INFO L225 Difference]: With dead ends: 13247 [2020-11-28 02:59:30,443 INFO L226 Difference]: Without dead ends: 6619 [2020-11-28 02:59:30,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:30,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6619 states. [2020-11-28 02:59:30,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6619 to 6605. [2020-11-28 02:59:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6605 states. [2020-11-28 02:59:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6605 states to 6605 states and 8931 transitions. [2020-11-28 02:59:30,652 INFO L78 Accepts]: Start accepts. Automaton has 6605 states and 8931 transitions. Word has length 197 [2020-11-28 02:59:30,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:30,656 INFO L481 AbstractCegarLoop]: Abstraction has 6605 states and 8931 transitions. [2020-11-28 02:59:30,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6605 states and 8931 transitions. [2020-11-28 02:59:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-28 02:59:30,667 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:30,667 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:30,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:59:30,667 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:30,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:30,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1227783501, now seen corresponding path program 1 times [2020-11-28 02:59:30,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:30,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116574334] [2020-11-28 02:59:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 02:59:30,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116574334] [2020-11-28 02:59:30,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:30,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:30,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732144074] [2020-11-28 02:59:30,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:30,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:30,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:30,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:30,780 INFO L87 Difference]: Start difference. First operand 6605 states and 8931 transitions. Second operand 3 states. [2020-11-28 02:59:32,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:32,219 INFO L93 Difference]: Finished difference Result 19095 states and 25790 transitions. [2020-11-28 02:59:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:32,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-28 02:59:32,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:32,284 INFO L225 Difference]: With dead ends: 19095 [2020-11-28 02:59:32,284 INFO L226 Difference]: Without dead ends: 12492 [2020-11-28 02:59:32,298 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 02:59:32,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12492 states. [2020-11-28 02:59:32,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12492 to 12492. [2020-11-28 02:59:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12492 states. [2020-11-28 02:59:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12492 states to 12492 states and 15309 transitions. [2020-11-28 02:59:32,577 INFO L78 Accepts]: Start accepts. Automaton has 12492 states and 15309 transitions. Word has length 197 [2020-11-28 02:59:32,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:32,579 INFO L481 AbstractCegarLoop]: Abstraction has 12492 states and 15309 transitions. [2020-11-28 02:59:32,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12492 states and 15309 transitions. [2020-11-28 02:59:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-28 02:59:32,593 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:32,594 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:32,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:59:32,594 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:32,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:32,595 INFO L82 PathProgramCache]: Analyzing trace with hash -469873753, now seen corresponding path program 1 times [2020-11-28 02:59:32,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:32,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479389635] [2020-11-28 02:59:32,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 02:59:32,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479389635] [2020-11-28 02:59:32,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:32,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:32,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160563377] [2020-11-28 02:59:32,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:32,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:32,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:32,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:32,728 INFO L87 Difference]: Start difference. First operand 12492 states and 15309 transitions. Second operand 3 states. [2020-11-28 02:59:33,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:33,916 INFO L93 Difference]: Finished difference Result 26630 states and 32845 transitions. [2020-11-28 02:59:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:33,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-11-28 02:59:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:33,943 INFO L225 Difference]: With dead ends: 26630 [2020-11-28 02:59:33,943 INFO L226 Difference]: Without dead ends: 14140 [2020-11-28 02:59:33,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14140 states. [2020-11-28 02:59:34,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14140 to 14132. [2020-11-28 02:59:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-11-28 02:59:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 17396 transitions. [2020-11-28 02:59:34,170 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 17396 transitions. Word has length 204 [2020-11-28 02:59:34,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:34,170 INFO L481 AbstractCegarLoop]: Abstraction has 14132 states and 17396 transitions. [2020-11-28 02:59:34,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 17396 transitions. [2020-11-28 02:59:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-28 02:59:34,188 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:34,189 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:34,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:59:34,189 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:34,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1303373829, now seen corresponding path program 1 times [2020-11-28 02:59:34,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:34,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507676452] [2020-11-28 02:59:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-28 02:59:34,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507676452] [2020-11-28 02:59:34,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:34,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:34,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381420993] [2020-11-28 02:59:34,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:34,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:34,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:34,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:34,387 INFO L87 Difference]: Start difference. First operand 14132 states and 17396 transitions. Second operand 3 states. [2020-11-28 02:59:35,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:35,590 INFO L93 Difference]: Finished difference Result 30726 states and 37909 transitions. [2020-11-28 02:59:35,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:35,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-11-28 02:59:35,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:35,629 INFO L225 Difference]: With dead ends: 30726 [2020-11-28 02:59:35,630 INFO L226 Difference]: Without dead ends: 16596 [2020-11-28 02:59:35,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:35,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16596 states. [2020-11-28 02:59:35,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16596 to 16568. [2020-11-28 02:59:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16568 states. [2020-11-28 02:59:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16568 states to 16568 states and 20167 transitions. [2020-11-28 02:59:36,000 INFO L78 Accepts]: Start accepts. Automaton has 16568 states and 20167 transitions. Word has length 217 [2020-11-28 02:59:36,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:36,000 INFO L481 AbstractCegarLoop]: Abstraction has 16568 states and 20167 transitions. [2020-11-28 02:59:36,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 16568 states and 20167 transitions. [2020-11-28 02:59:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-28 02:59:36,019 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:36,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:36,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:59:36,020 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:36,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:36,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1040699516, now seen corresponding path program 1 times [2020-11-28 02:59:36,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:36,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74522098] [2020-11-28 02:59:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:36,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74522098] [2020-11-28 02:59:36,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:36,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:36,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079446143] [2020-11-28 02:59:36,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:59:36,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:36,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:59:36,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:59:36,161 INFO L87 Difference]: Start difference. First operand 16568 states and 20167 transitions. Second operand 4 states. [2020-11-28 02:59:37,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:37,984 INFO L93 Difference]: Finished difference Result 34806 states and 42511 transitions. [2020-11-28 02:59:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:59:37,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2020-11-28 02:59:37,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:38,020 INFO L225 Difference]: With dead ends: 34806 [2020-11-28 02:59:38,020 INFO L226 Difference]: Without dead ends: 18240 [2020-11-28 02:59:38,035 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 02:59:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18240 states. [2020-11-28 02:59:38,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18240 to 15959. [2020-11-28 02:59:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15959 states. [2020-11-28 02:59:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15959 states to 15959 states and 19337 transitions. [2020-11-28 02:59:38,356 INFO L78 Accepts]: Start accepts. Automaton has 15959 states and 19337 transitions. Word has length 220 [2020-11-28 02:59:38,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:38,357 INFO L481 AbstractCegarLoop]: Abstraction has 15959 states and 19337 transitions. [2020-11-28 02:59:38,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:59:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 15959 states and 19337 transitions. [2020-11-28 02:59:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-11-28 02:59:38,375 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:38,376 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:38,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:59:38,376 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:38,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:38,377 INFO L82 PathProgramCache]: Analyzing trace with hash -756661967, now seen corresponding path program 1 times [2020-11-28 02:59:38,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:38,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14703900] [2020-11-28 02:59:38,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 02:59:38,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14703900] [2020-11-28 02:59:38,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898253948] [2020-11-28 02:59:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/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 02:59:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:38,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:59:38,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:59:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 02:59:39,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:59:39,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:59:39,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625286708] [2020-11-28 02:59:39,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:39,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:39,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:39,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:39,131 INFO L87 Difference]: Start difference. First operand 15959 states and 19337 transitions. Second operand 3 states. [2020-11-28 02:59:40,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:40,715 INFO L93 Difference]: Finished difference Result 39228 states and 48134 transitions. [2020-11-28 02:59:40,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:40,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-11-28 02:59:40,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:40,716 INFO L225 Difference]: With dead ends: 39228 [2020-11-28 02:59:40,716 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:59:40,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:40,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:59:40,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:59:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:59:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:59:40,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-11-28 02:59:40,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:40,730 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:59:40,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:59:40,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:59:40,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-28 02:59:40,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,110 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-28 02:59:41,111 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,112 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,113 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,114 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,115 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,116 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,117 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,118 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,119 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,120 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,123 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,123 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-28 02:59:41,123 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-28 02:59:41,123 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-28 02:59:41,123 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-28 02:59:41,123 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-28 02:59:41,124 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,124 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,124 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,124 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,124 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,124 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,125 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,125 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,125 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,125 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,125 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-28 02:59:41,125 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-28 02:59:41,126 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-28 02:59:41,126 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,126 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,126 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,126 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,126 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,126 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,127 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,127 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,127 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,127 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:59:41,127 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:59:41,127 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-28 02:59:41,127 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-28 02:59:41,128 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-28 02:59:41,128 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-28 02:59:41,128 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-28 02:59:41,128 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,128 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,128 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,129 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,129 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,129 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,129 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,129 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,129 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-28 02:59:41,129 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-28 02:59:41,130 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-28 02:59:41,130 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,130 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,130 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,130 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-28 02:59:41,130 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-28 02:59:41,130 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,131 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,131 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,131 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-28 02:59:41,131 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,131 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-28 02:59:41,131 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,131 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-28 02:59:41,132 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,132 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,132 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-28 02:59:41,132 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-28 02:59:41,132 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-28 02:59:41,132 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-28 02:59:41,133 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-28 02:59:41,133 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-28 02:59:41,133 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-28 02:59:41,133 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,133 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,133 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,135 INFO L270 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse0 (= ~a12~0 0))) (or (= ~a12~0 1) (and (= ~a26~0 1) .cse0) (and (<= 2 ~a3~0) .cse0) (and (= ~a1~0 1) .cse0 (= ~a3~0 1)) (and (= ~a27~0 1) .cse0))) [2020-11-28 02:59:41,135 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,136 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,136 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,136 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-28 02:59:41,136 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-28 02:59:41,136 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,136 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,136 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,137 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-28 02:59:41,137 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,137 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,137 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,137 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,137 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,138 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,138 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-28 02:59:41,138 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-28 02:59:41,138 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:59:41,138 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,138 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,138 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,139 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,139 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,139 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,139 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,139 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,139 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,140 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-28 02:59:41,140 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-28 02:59:41,140 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,140 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,140 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-28 02:59:41,140 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-28 02:59:41,140 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,141 INFO L270 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse0 (= ~a12~0 0))) (or (= ~a12~0 1) (and (= ~a26~0 1) .cse0) (and (<= 2 ~a3~0) .cse0) (and (= ~a1~0 1) .cse0 (= ~a3~0 1)) (and (= ~a27~0 1) .cse0))) [2020-11-28 02:59:41,141 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,141 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,141 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,141 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,141 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-28 02:59:41,142 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-28 02:59:41,142 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,142 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,142 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,142 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,142 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,143 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,143 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,143 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,143 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:59:41,143 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-28 02:59:41,143 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-28 02:59:41,143 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-28 02:59:41,144 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,144 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-28 02:59:41,144 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,144 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,144 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-28 02:59:41,144 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,145 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,145 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,145 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,146 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,146 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-28 02:59:41,147 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,147 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-28 02:59:41,147 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-28 02:59:41,148 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-28 02:59:41,148 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,148 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,149 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,149 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,149 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,152 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,152 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,152 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,152 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-28 02:59:41,153 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-28 02:59:41,153 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,153 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,153 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-28 02:59:41,153 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-28 02:59:41,153 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-28 02:59:41,154 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,154 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,154 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,154 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,154 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,154 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:59:41,155 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,155 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,155 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,155 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,155 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,155 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,155 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-28 02:59:41,156 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-28 02:59:41,156 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-28 02:59:41,156 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,156 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,156 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,156 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,156 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,157 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,157 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,157 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-28 02:59:41,157 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-28 02:59:41,157 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,157 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-28 02:59:41,158 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-28 02:59:41,158 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-28 02:59:41,158 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,158 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,158 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,158 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,158 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-28 02:59:41,159 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-28 02:59:41,159 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-28 02:59:41,159 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,159 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,159 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-28 02:59:41,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:41 BoogieIcfgContainer [2020-11-28 02:59:41,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:41,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:41,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:41,188 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:41,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:20" (3/4) ... [2020-11-28 02:59:41,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:59:41,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:59:41,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:59:41,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:41,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:41,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85861fb1-0536-456b-90cb-d14aa8592dac/bin/uautomizer/witness.graphml [2020-11-28 02:59:41,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:41,489 INFO L168 Benchmark]: Toolchain (without parser) took 24855.04 ms. Allocated memory was 86.0 MB in the beginning and 864.0 MB in the end (delta: 778.0 MB). Free memory was 47.5 MB in the beginning and 378.9 MB in the end (delta: -331.4 MB). Peak memory consumption was 446.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:41,489 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 43.6 MB in the beginning and 43.5 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:41,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1116.64 ms. Allocated memory was 86.0 MB in the beginning and 123.7 MB in the end (delta: 37.7 MB). Free memory was 47.3 MB in the beginning and 84.7 MB in the end (delta: -37.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:41,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.55 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 70.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:41,490 INFO L168 Benchmark]: Boogie Preprocessor took 121.83 ms. Allocated memory is still 123.7 MB. Free memory was 70.0 MB in the beginning and 58.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:41,491 INFO L168 Benchmark]: RCFGBuilder took 2395.75 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 58.8 MB in the beginning and 109.9 MB in the end (delta: -51.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:41,491 INFO L168 Benchmark]: TraceAbstraction took 20769.24 ms. Allocated memory was 180.4 MB in the beginning and 864.0 MB in the end (delta: 683.7 MB). Free memory was 109.9 MB in the beginning and 416.6 MB in the end (delta: -306.7 MB). Peak memory consumption was 378.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:41,492 INFO L168 Benchmark]: Witness Printer took 299.32 ms. Allocated memory is still 864.0 MB. Free memory was 416.6 MB in the beginning and 378.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:41,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 43.6 MB in the beginning and 43.5 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1116.64 ms. Allocated memory was 86.0 MB in the beginning and 123.7 MB in the end (delta: 37.7 MB). Free memory was 47.3 MB in the beginning and 84.7 MB in the end (delta: -37.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.55 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 70.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 121.83 ms. Allocated memory is still 123.7 MB. Free memory was 70.0 MB in the beginning and 58.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2395.75 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 58.8 MB in the beginning and 109.9 MB in the end (delta: -51.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20769.24 ms. Allocated memory was 180.4 MB in the beginning and 864.0 MB in the end (delta: 683.7 MB). Free memory was 109.9 MB in the beginning and 416.6 MB in the end (delta: -306.7 MB). Peak memory consumption was 378.0 MB. Max. memory is 16.1 GB. * Witness Printer took 299.32 ms. Allocated memory is still 864.0 MB. Free memory was 416.6 MB in the beginning and 378.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((a12 == 1 || (a26 == 1 && a12 == 0)) || (2 <= a3 && a12 == 0)) || ((a1 == 1 && a12 == 0) && a3 == 1)) || (a27 == 1 && a12 == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((a12 == 1 || (a26 == 1 && a12 == 0)) || (2 <= a3 && a12 == 0)) || ((a1 == 1 && a12 == 0) && a3 == 1)) || (a27 == 1 && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2783 SDtfs, 2597 SDslu, 538 SDs, 0 SdLazy, 6789 SolverSat, 1375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16568occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 2425 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 183 NumberOfFragments, 71 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2118 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2383 NumberOfCodeBlocks, 2383 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2371 ConstructedInterpolants, 0 QuantifiedInterpolants, 760281 SizeOfPredicates, 1 NumberOfNonLiveVariables, 480 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 544/550 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...