./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label53.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_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label53.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/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 e4f3a77542224bab6d1b274bbee64fbdca013bcb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:18:20,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:18:20,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:18:21,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:18:21,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:18:21,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:18:21,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:18:21,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:18:21,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:18:21,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:18:21,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:18:21,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:18:21,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:18:21,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:18:21,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:18:21,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:18:21,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:18:21,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:18:21,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:18:21,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:18:21,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:18:21,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:18:21,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:18:21,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:18:21,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:18:21,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:18:21,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:18:21,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:18:21,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:18:21,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:18:21,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:18:21,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:18:21,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:18:21,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:18:21,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:18:21,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:18:21,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:18:21,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:18:21,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:18:21,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:18:21,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:18:21,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:18:21,252 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:18:21,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:18:21,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:18:21,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:18:21,257 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:18:21,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:18:21,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:18:21,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:18:21,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:18:21,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:18:21,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:18:21,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:18:21,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:18:21,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:18:21,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:18:21,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:18:21,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:18:21,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:18:21,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:18:21,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:18:21,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:18:21,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:18:21,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:18:21,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:18:21,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:18:21,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:18:21,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:18:21,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:18:21,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:18:21,265 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_0eeb5906-4708-41c7-a061-c82a90182bfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f3a77542224bab6d1b274bbee64fbdca013bcb [2020-11-29 18:18:21,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:18:21,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:18:21,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:18:21,706 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:18:21,708 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:18:21,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2020-11-29 18:18:21,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/data/0bd86e6cd/178d4ae8a55f4a4fb46a742318463496/FLAG73ebaa505 [2020-11-29 18:18:22,639 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:18:22,640 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2020-11-29 18:18:22,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/data/0bd86e6cd/178d4ae8a55f4a4fb46a742318463496/FLAG73ebaa505 [2020-11-29 18:18:22,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/data/0bd86e6cd/178d4ae8a55f4a4fb46a742318463496 [2020-11-29 18:18:22,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:18:22,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:18:22,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:18:22,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:18:22,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:18:22,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:18:22" (1/1) ... [2020-11-29 18:18:22,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c6be47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:22, skipping insertion in model container [2020-11-29 18:18:22,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:18:22" (1/1) ... [2020-11-29 18:18:22,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:18:22,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:18:23,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:18:23,542 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:18:23,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:18:23,754 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:18:23,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23 WrapperNode [2020-11-29 18:18:23,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:18:23,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:18:23,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:18:23,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:18:23,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:23,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:23,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:18:23,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:18:23,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:18:23,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:18:23,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:23,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:23,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:23,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:23,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:24,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:24,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... [2020-11-29 18:18:24,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:18:24,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:18:24,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:18:24,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:18:24,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/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 [2020-11-29 18:18:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:18:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:18:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:18:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:18:26,226 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:18:26,227 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:18:26,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:18:26 BoogieIcfgContainer [2020-11-29 18:18:26,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:18:26,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:18:26,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:18:26,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:18:26,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:18:22" (1/3) ... [2020-11-29 18:18:26,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3208a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:18:26, skipping insertion in model container [2020-11-29 18:18:26,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:18:23" (2/3) ... [2020-11-29 18:18:26,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3208a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:18:26, skipping insertion in model container [2020-11-29 18:18:26,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:18:26" (3/3) ... [2020-11-29 18:18:26,245 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c [2020-11-29 18:18:26,263 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:18:26,269 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:18:26,285 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:18:26,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:18:26,359 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:18:26,359 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:18:26,359 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:18:26,359 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:18:26,360 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:18:26,360 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:18:26,360 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:18:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-29 18:18:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:18:26,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:26,406 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] [2020-11-29 18:18:26,407 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:26,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:26,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2020-11-29 18:18:26,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:26,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549804201] [2020-11-29 18:18:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:18:26,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549804201] [2020-11-29 18:18:26,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:18:26,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:18:26,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922949508] [2020-11-29 18:18:26,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:26,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:26,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:26,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:18:26,911 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-29 18:18:28,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:28,614 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-29 18:18:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:28,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-11-29 18:18:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:28,633 INFO L225 Difference]: With dead ends: 553 [2020-11-29 18:18:28,633 INFO L226 Difference]: Without dead ends: 282 [2020-11-29 18:18:28,654 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 [2020-11-29 18:18:28,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-29 18:18:28,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-29 18:18:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-29 18:18:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-11-29 18:18:28,728 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 42 [2020-11-29 18:18:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:28,729 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-11-29 18:18:28,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-11-29 18:18:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-29 18:18:28,736 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:28,736 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:28,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:18:28,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:28,738 INFO L82 PathProgramCache]: Analyzing trace with hash 377951494, now seen corresponding path program 1 times [2020-11-29 18:18:28,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:28,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254537094] [2020-11-29 18:18:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:18:28,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254537094] [2020-11-29 18:18:28,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:18:28,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:18:28,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952322913] [2020-11-29 18:18:28,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:28,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:28,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:28,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:18:28,976 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-11-29 18:18:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:30,051 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-11-29 18:18:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:30,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-29 18:18:30,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:30,063 INFO L225 Difference]: With dead ends: 701 [2020-11-29 18:18:30,064 INFO L226 Difference]: Without dead ends: 421 [2020-11-29 18:18:30,067 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 [2020-11-29 18:18:30,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-29 18:18:30,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-29 18:18:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-29 18:18:30,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-11-29 18:18:30,106 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 108 [2020-11-29 18:18:30,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:30,107 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-11-29 18:18:30,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-11-29 18:18:30,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-29 18:18:30,114 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:30,114 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:30,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:18:30,115 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:30,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1431286821, now seen corresponding path program 1 times [2020-11-29 18:18:30,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:30,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47879363] [2020-11-29 18:18:30,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:18:30,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47879363] [2020-11-29 18:18:30,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:18:30,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:18:30,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029481738] [2020-11-29 18:18:30,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:30,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:30,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:18:30,433 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-11-29 18:18:31,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:31,217 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-11-29 18:18:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:31,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-29 18:18:31,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:31,223 INFO L225 Difference]: With dead ends: 979 [2020-11-29 18:18:31,223 INFO L226 Difference]: Without dead ends: 560 [2020-11-29 18:18:31,225 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 [2020-11-29 18:18:31,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-29 18:18:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-29 18:18:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-29 18:18:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-11-29 18:18:31,279 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 115 [2020-11-29 18:18:31,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:31,280 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-11-29 18:18:31,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-11-29 18:18:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-29 18:18:31,284 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:31,285 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:31,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:18:31,285 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:31,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:31,286 INFO L82 PathProgramCache]: Analyzing trace with hash -476608426, now seen corresponding path program 1 times [2020-11-29 18:18:31,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:31,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296480357] [2020-11-29 18:18:31,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:18:31,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296480357] [2020-11-29 18:18:31,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193876326] [2020-11-29 18:18:31,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/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 [2020-11-29 18:18:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:31,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:18:31,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:18:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:18:31,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:18:31,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-11-29 18:18:31,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987794579] [2020-11-29 18:18:31,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:31,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:31,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:31,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:18:31,959 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2020-11-29 18:18:33,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:33,094 INFO L93 Difference]: Finished difference Result 1118 states and 1414 transitions. [2020-11-29 18:18:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:33,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-29 18:18:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:33,106 INFO L225 Difference]: With dead ends: 1118 [2020-11-29 18:18:33,107 INFO L226 Difference]: Without dead ends: 699 [2020-11-29 18:18:33,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:18:33,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-29 18:18:33,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-29 18:18:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-29 18:18:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 859 transitions. [2020-11-29 18:18:33,155 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 859 transitions. Word has length 117 [2020-11-29 18:18:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:33,157 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 859 transitions. [2020-11-29 18:18:33,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 859 transitions. [2020-11-29 18:18:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-29 18:18:33,171 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:33,171 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:33,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:18:33,393 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:33,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:33,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1769423826, now seen corresponding path program 1 times [2020-11-29 18:18:33,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:33,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457076610] [2020-11-29 18:18:33,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:18:33,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457076610] [2020-11-29 18:18:33,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:18:33,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:18:33,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827843683] [2020-11-29 18:18:33,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:33,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:33,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:33,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:18:33,568 INFO L87 Difference]: Start difference. First operand 699 states and 859 transitions. Second operand 3 states. [2020-11-29 18:18:34,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:34,492 INFO L93 Difference]: Finished difference Result 1535 states and 1910 transitions. [2020-11-29 18:18:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:34,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-11-29 18:18:34,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:34,500 INFO L225 Difference]: With dead ends: 1535 [2020-11-29 18:18:34,500 INFO L226 Difference]: Without dead ends: 977 [2020-11-29 18:18:34,502 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 [2020-11-29 18:18:34,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-29 18:18:34,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-29 18:18:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-29 18:18:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1137 transitions. [2020-11-29 18:18:34,533 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1137 transitions. Word has length 133 [2020-11-29 18:18:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:34,534 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1137 transitions. [2020-11-29 18:18:34,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1137 transitions. [2020-11-29 18:18:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-29 18:18:34,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:34,538 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:34,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:18:34,539 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:34,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:34,540 INFO L82 PathProgramCache]: Analyzing trace with hash 143968287, now seen corresponding path program 1 times [2020-11-29 18:18:34,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:34,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023497631] [2020-11-29 18:18:34,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:18:34,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023497631] [2020-11-29 18:18:34,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:18:34,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:18:34,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778155256] [2020-11-29 18:18:34,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:18:34,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:34,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:18:34,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:18:34,955 INFO L87 Difference]: Start difference. First operand 977 states and 1137 transitions. Second operand 7 states. [2020-11-29 18:18:35,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:35,898 INFO L93 Difference]: Finished difference Result 1868 states and 2183 transitions. [2020-11-29 18:18:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:18:35,899 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-11-29 18:18:35,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:35,906 INFO L225 Difference]: With dead ends: 1868 [2020-11-29 18:18:35,907 INFO L226 Difference]: Without dead ends: 977 [2020-11-29 18:18:35,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:18:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-29 18:18:35,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-29 18:18:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-29 18:18:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1131 transitions. [2020-11-29 18:18:35,946 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1131 transitions. Word has length 190 [2020-11-29 18:18:35,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:35,947 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1131 transitions. [2020-11-29 18:18:35,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:18:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1131 transitions. [2020-11-29 18:18:35,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-29 18:18:35,952 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:35,953 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:35,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:18:35,963 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:35,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:35,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1772431815, now seen corresponding path program 1 times [2020-11-29 18:18:35,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:35,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108864592] [2020-11-29 18:18:35,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-29 18:18:36,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108864592] [2020-11-29 18:18:36,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541243409] [2020-11-29 18:18:36,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:18:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:36,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:18:36,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:18:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-11-29 18:18:36,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:18:36,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 18:18:36,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267425295] [2020-11-29 18:18:36,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:36,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:36,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:36,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:18:36,764 INFO L87 Difference]: Start difference. First operand 977 states and 1131 transitions. Second operand 3 states. [2020-11-29 18:18:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:37,770 INFO L93 Difference]: Finished difference Result 1535 states and 1776 transitions. [2020-11-29 18:18:37,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:37,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-11-29 18:18:37,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:37,782 INFO L225 Difference]: With dead ends: 1535 [2020-11-29 18:18:37,782 INFO L226 Difference]: Without dead ends: 1533 [2020-11-29 18:18:37,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:18:37,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-11-29 18:18:37,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1116. [2020-11-29 18:18:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-29 18:18:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1319 transitions. [2020-11-29 18:18:37,819 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1319 transitions. Word has length 226 [2020-11-29 18:18:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:37,820 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1319 transitions. [2020-11-29 18:18:37,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1319 transitions. [2020-11-29 18:18:37,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-29 18:18:37,827 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:37,828 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:38,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:18:38,029 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:38,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:38,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1502268007, now seen corresponding path program 1 times [2020-11-29 18:18:38,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:38,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593865690] [2020-11-29 18:18:38,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-29 18:18:38,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593865690] [2020-11-29 18:18:38,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:18:38,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:18:38,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253224094] [2020-11-29 18:18:38,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:38,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:38,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:38,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:18:38,379 INFO L87 Difference]: Start difference. First operand 1116 states and 1319 transitions. Second operand 3 states. [2020-11-29 18:18:39,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:39,413 INFO L93 Difference]: Finished difference Result 2369 states and 2870 transitions. [2020-11-29 18:18:39,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:39,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2020-11-29 18:18:39,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:39,423 INFO L225 Difference]: With dead ends: 2369 [2020-11-29 18:18:39,423 INFO L226 Difference]: Without dead ends: 1394 [2020-11-29 18:18:39,431 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 [2020-11-29 18:18:39,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-29 18:18:39,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-29 18:18:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-29 18:18:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1473 transitions. [2020-11-29 18:18:39,471 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1473 transitions. Word has length 290 [2020-11-29 18:18:39,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:39,472 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1473 transitions. [2020-11-29 18:18:39,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1473 transitions. [2020-11-29 18:18:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-11-29 18:18:39,480 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:18:39,481 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:18:39,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:18:39,482 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:18:39,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:18:39,482 INFO L82 PathProgramCache]: Analyzing trace with hash -2092835213, now seen corresponding path program 1 times [2020-11-29 18:18:39,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:18:39,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598937187] [2020-11-29 18:18:39,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:18:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:18:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-29 18:18:39,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598937187] [2020-11-29 18:18:39,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:18:39,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:18:39,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095086141] [2020-11-29 18:18:39,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:18:39,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:18:39,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:18:39,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:18:39,871 INFO L87 Difference]: Start difference. First operand 1255 states and 1473 transitions. Second operand 3 states. [2020-11-29 18:18:40,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:18:40,829 INFO L93 Difference]: Finished difference Result 2645 states and 3102 transitions. [2020-11-29 18:18:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:18:40,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-11-29 18:18:40,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:18:40,832 INFO L225 Difference]: With dead ends: 2645 [2020-11-29 18:18:40,832 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:18:40,835 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 [2020-11-29 18:18:40,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:18:40,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:18:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:18:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:18:40,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2020-11-29 18:18:40,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:18:40,838 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:18:40,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:18:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:18:40,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:18:40,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 18:18:40,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:18:41,047 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-11-29 18:18:41,155 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-29 18:18:41,155 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-29 18:18:41,155 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-29 18:18:41,155 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-29 18:18:41,155 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 18:18:41,156 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,157 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 18:18:41,158 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-29 18:18:41,159 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,160 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 18:18:41,161 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-29 18:18:41,162 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-29 18:18:41,163 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 18:18:41,164 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 18:18:41,165 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 18:18:41,165 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 18:18:41,165 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 (<= ~a10~0 1)))) [2020-11-29 18:18:41,165 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-29 18:18:41,165 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-29 18:18:41,166 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-29 18:18:41,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-29 18:18:41,168 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-29 18:18:41,169 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-29 18:18:41,170 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 (<= ~a10~0 1)))) [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-29 18:18:41,171 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:18:41,172 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-29 18:18:41,173 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-29 18:18:41,174 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-29 18:18:41,174 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 18:18:41,174 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 18:18:41,174 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 18:18:41,174 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 18:18:41,174 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 18:18:41,174 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 18:18:41,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:18:41 BoogieIcfgContainer [2020-11-29 18:18:41,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:18:41,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:18:41,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:18:41,198 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:18:41,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:18:26" (3/4) ... [2020-11-29 18:18:41,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:18:41,246 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:18:41,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:18:41,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:18:41,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:18:41,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0eeb5906-4708-41c7-a061-c82a90182bfb/bin/uautomizer/witness.graphml [2020-11-29 18:18:41,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:18:41,440 INFO L168 Benchmark]: Toolchain (without parser) took 18580.45 ms. Allocated memory was 111.1 MB in the beginning and 327.2 MB in the end (delta: 216.0 MB). Free memory was 83.0 MB in the beginning and 293.7 MB in the end (delta: -210.8 MB). Peak memory consumption was 198.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:41,441 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 111.1 MB. Free memory is still 71.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:18:41,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.63 ms. Allocated memory is still 111.1 MB. Free memory was 82.7 MB in the beginning and 70.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:41,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.98 ms. Allocated memory is still 111.1 MB. Free memory was 70.9 MB in the beginning and 62.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:41,442 INFO L168 Benchmark]: Boogie Preprocessor took 159.45 ms. Allocated memory is still 111.1 MB. Free memory was 62.9 MB in the beginning and 57.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:41,443 INFO L168 Benchmark]: RCFGBuilder took 2165.70 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 57.6 MB in the beginning and 58.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:41,443 INFO L168 Benchmark]: TraceAbstraction took 14963.17 ms. Allocated memory was 136.3 MB in the beginning and 327.2 MB in the end (delta: 190.8 MB). Free memory was 58.9 MB in the beginning and 118.2 MB in the end (delta: -59.4 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:41,444 INFO L168 Benchmark]: Witness Printer took 241.51 ms. Allocated memory is still 327.2 MB. Free memory was 118.2 MB in the beginning and 293.7 MB in the end (delta: -175.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:18:41,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 111.1 MB. Free memory is still 71.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 893.63 ms. Allocated memory is still 111.1 MB. Free memory was 82.7 MB in the beginning and 70.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 147.98 ms. Allocated memory is still 111.1 MB. Free memory was 70.9 MB in the beginning and 62.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 159.45 ms. Allocated memory is still 111.1 MB. Free memory was 62.9 MB in the beginning and 57.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2165.70 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 57.6 MB in the beginning and 58.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14963.17 ms. Allocated memory was 136.3 MB in the beginning and 327.2 MB in the end (delta: 190.8 MB). Free memory was 58.9 MB in the beginning and 118.2 MB in the end (delta: -59.4 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.1 GB. * Witness Printer took 241.51 ms. Allocated memory is still 327.2 MB. Free memory was 118.2 MB in the beginning and 293.7 MB in the end (delta: -175.5 MB). Peak memory consumption was 16.4 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: 592]: Loop Invariant Derived loop invariant: ((((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a12 == 0) && a10 <= 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a12 == 0) && a10 <= 1) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 919 SDtfs, 986 SDslu, 44 SDs, 0 SdLazy, 3377 SolverSat, 520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 556 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 434 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1905 NumberOfCodeBlocks, 1905 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1894 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298074 SizeOfPredicates, 2 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 1125/1211 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...