./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_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_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label53.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/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 2ac1cca436dbb0ff666a046c15c87b345ed083b6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:10:43,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:10:43,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:10:43,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:10:43,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:10:43,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:10:43,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:10:43,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:10:43,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:10:43,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:10:43,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:10:43,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:10:43,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:10:43,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:10:43,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:10:43,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:10:43,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:10:43,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:10:43,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:10:43,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:10:43,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:10:43,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:10:43,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:10:43,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:10:43,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:10:43,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:10:43,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:10:43,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:10:43,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:10:43,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:10:43,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:10:43,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:10:43,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:10:43,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:10:43,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:10:43,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:10:43,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:10:43,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:10:43,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:10:43,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:10:43,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:10:43,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:10:44,009 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:10:44,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:10:44,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:10:44,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:10:44,019 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:10:44,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:10:44,020 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:10:44,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:10:44,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:10:44,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:10:44,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:10:44,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:10:44,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:10:44,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:10:44,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:10:44,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:10:44,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:10:44,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:10:44,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:10:44,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:10:44,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:10:44,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:44,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:10:44,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:10:44,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:10:44,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:10:44,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:10:44,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:10:44,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:10:44,026 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_c253ccba-6872-4d36-9d55-c44ce7ee5977/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac1cca436dbb0ff666a046c15c87b345ed083b6 [2020-11-28 03:10:44,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:10:44,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:10:44,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:10:44,392 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:10:44,392 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:10:44,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label53.c [2020-11-28 03:10:44,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/data/9bf21b3ce/ab149d12fc904d7da86fa736f607b6e2/FLAGb8ad93281 [2020-11-28 03:10:45,051 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:10:45,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/sv-benchmarks/c/eca-rers2012/Problem01_label53.c [2020-11-28 03:10:45,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/data/9bf21b3ce/ab149d12fc904d7da86fa736f607b6e2/FLAGb8ad93281 [2020-11-28 03:10:45,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/data/9bf21b3ce/ab149d12fc904d7da86fa736f607b6e2 [2020-11-28 03:10:45,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:10:45,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:10:45,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:45,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:10:45,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:10:45,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:45" (1/1) ... [2020-11-28 03:10:45,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3880778a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:45, skipping insertion in model container [2020-11-28 03:10:45,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:45" (1/1) ... [2020-11-28 03:10:45,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:10:45,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:10:45,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:45,960 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:10:46,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:46,151 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:10:46,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46 WrapperNode [2020-11-28 03:10:46,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:46,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:46,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:10:46,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:10:46,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:46,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:10:46,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:10:46,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:10:46,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... [2020-11-28 03:10:46,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:10:46,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:10:46,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:10:46,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:10:46,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:10:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:10:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:10:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:10:47,740 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:10:47,740 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:10:47,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:47 BoogieIcfgContainer [2020-11-28 03:10:47,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:10:47,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:10:47,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:10:47,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:10:47,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:45" (1/3) ... [2020-11-28 03:10:47,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8b4b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:47, skipping insertion in model container [2020-11-28 03:10:47,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:46" (2/3) ... [2020-11-28 03:10:47,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8b4b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:47, skipping insertion in model container [2020-11-28 03:10:47,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:47" (3/3) ... [2020-11-28 03:10:47,755 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-11-28 03:10:47,767 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:10:47,772 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:10:47,784 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:10:47,826 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:10:47,826 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:10:47,826 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:10:47,827 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:10:47,827 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:10:47,827 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:10:47,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:10:47,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:10:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 03:10:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-28 03:10:47,871 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:47,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:47,873 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:47,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:47,880 INFO L82 PathProgramCache]: Analyzing trace with hash -744791785, now seen corresponding path program 1 times [2020-11-28 03:10:47,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:47,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503215477] [2020-11-28 03:10:47,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:48,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503215477] [2020-11-28 03:10:48,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:48,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:10:48,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210237419] [2020-11-28 03:10:48,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:48,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:48,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:48,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:48,435 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 03:10:49,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:49,523 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 03:10:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:49,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-11-28 03:10:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:49,540 INFO L225 Difference]: With dead ends: 529 [2020-11-28 03:10:49,540 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 03:10:49,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:49,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 03:10:49,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 03:10:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 03:10:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-28 03:10:49,627 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 114 [2020-11-28 03:10:49,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:49,628 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-28 03:10:49,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-28 03:10:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-28 03:10:49,631 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:49,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:49,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:10:49,632 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:49,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:49,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1844381716, now seen corresponding path program 1 times [2020-11-28 03:10:49,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:49,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051220082] [2020-11-28 03:10:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:49,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051220082] [2020-11-28 03:10:49,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:49,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:10:49,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553975905] [2020-11-28 03:10:49,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:49,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:49,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:49,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:49,746 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-28 03:10:50,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:50,453 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2020-11-28 03:10:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:50,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-11-28 03:10:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:50,458 INFO L225 Difference]: With dead ends: 792 [2020-11-28 03:10:50,458 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 03:10:50,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:50,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 03:10:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-28 03:10:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 03:10:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 726 transitions. [2020-11-28 03:10:50,521 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 726 transitions. Word has length 120 [2020-11-28 03:10:50,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:50,522 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 726 transitions. [2020-11-28 03:10:50,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 726 transitions. [2020-11-28 03:10:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-28 03:10:50,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:50,532 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:50,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:10:50,533 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:50,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:50,534 INFO L82 PathProgramCache]: Analyzing trace with hash -568030007, now seen corresponding path program 1 times [2020-11-28 03:10:50,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:50,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332248110] [2020-11-28 03:10:50,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:50,653 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:50,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332248110] [2020-11-28 03:10:50,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:50,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:10:50,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333164050] [2020-11-28 03:10:50,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:50,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:50,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:50,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:50,663 INFO L87 Difference]: Start difference. First operand 528 states and 726 transitions. Second operand 3 states. [2020-11-28 03:10:51,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:51,211 INFO L93 Difference]: Finished difference Result 1578 states and 2173 transitions. [2020-11-28 03:10:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:51,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-28 03:10:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:51,218 INFO L225 Difference]: With dead ends: 1578 [2020-11-28 03:10:51,218 INFO L226 Difference]: Without dead ends: 1052 [2020-11-28 03:10:51,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:51,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-28 03:10:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-11-28 03:10:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:10:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1376 transitions. [2020-11-28 03:10:51,257 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1376 transitions. Word has length 135 [2020-11-28 03:10:51,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:51,258 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1376 transitions. [2020-11-28 03:10:51,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1376 transitions. [2020-11-28 03:10:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-28 03:10:51,262 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:51,262 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:51,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:10:51,263 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:51,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:51,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1079514171, now seen corresponding path program 1 times [2020-11-28 03:10:51,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:51,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221563237] [2020-11-28 03:10:51,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:51,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221563237] [2020-11-28 03:10:51,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:51,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:51,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519127312] [2020-11-28 03:10:51,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:10:51,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:51,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:10:51,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:10:51,442 INFO L87 Difference]: Start difference. First operand 1052 states and 1376 transitions. Second operand 4 states. [2020-11-28 03:10:52,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:52,509 INFO L93 Difference]: Finished difference Result 2102 states and 2750 transitions. [2020-11-28 03:10:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:10:52,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-11-28 03:10:52,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:52,519 INFO L225 Difference]: With dead ends: 2102 [2020-11-28 03:10:52,519 INFO L226 Difference]: Without dead ends: 1052 [2020-11-28 03:10:52,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:10:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-28 03:10:52,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-11-28 03:10:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:10:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1340 transitions. [2020-11-28 03:10:52,572 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1340 transitions. Word has length 148 [2020-11-28 03:10:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:52,573 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1340 transitions. [2020-11-28 03:10:52,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:10:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1340 transitions. [2020-11-28 03:10:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-28 03:10:52,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:52,577 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:52,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:10:52,577 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:52,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:52,578 INFO L82 PathProgramCache]: Analyzing trace with hash 675731983, now seen corresponding path program 1 times [2020-11-28 03:10:52,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:52,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781562504] [2020-11-28 03:10:52,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 03:10:52,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781562504] [2020-11-28 03:10:52,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:52,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:10:52,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818786306] [2020-11-28 03:10:52,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:52,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:52,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:52,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:52,676 INFO L87 Difference]: Start difference. First operand 1052 states and 1340 transitions. Second operand 3 states. [2020-11-28 03:10:53,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:53,407 INFO L93 Difference]: Finished difference Result 2364 states and 2994 transitions. [2020-11-28 03:10:53,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:53,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-11-28 03:10:53,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:53,415 INFO L225 Difference]: With dead ends: 2364 [2020-11-28 03:10:53,416 INFO L226 Difference]: Without dead ends: 1314 [2020-11-28 03:10:53,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:53,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-28 03:10:53,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2020-11-28 03:10:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:10:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1328 transitions. [2020-11-28 03:10:53,457 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1328 transitions. Word has length 152 [2020-11-28 03:10:53,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:53,458 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1328 transitions. [2020-11-28 03:10:53,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1328 transitions. [2020-11-28 03:10:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-28 03:10:53,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:53,463 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:53,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:10:53,464 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:53,465 INFO L82 PathProgramCache]: Analyzing trace with hash -594044215, now seen corresponding path program 1 times [2020-11-28 03:10:53,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:53,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343630110] [2020-11-28 03:10:53,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 03:10:53,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343630110] [2020-11-28 03:10:53,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:53,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:53,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591218865] [2020-11-28 03:10:53,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:10:53,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:53,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:10:53,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:10:53,597 INFO L87 Difference]: Start difference. First operand 1052 states and 1328 transitions. Second operand 4 states. [2020-11-28 03:10:54,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:54,585 INFO L93 Difference]: Finished difference Result 3150 states and 3931 transitions. [2020-11-28 03:10:54,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:10:54,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2020-11-28 03:10:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:54,596 INFO L225 Difference]: With dead ends: 3150 [2020-11-28 03:10:54,597 INFO L226 Difference]: Without dead ends: 1838 [2020-11-28 03:10:54,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:10:54,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-11-28 03:10:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1445. [2020-11-28 03:10:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-28 03:10:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1682 transitions. [2020-11-28 03:10:54,657 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1682 transitions. Word has length 156 [2020-11-28 03:10:54,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:54,658 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1682 transitions. [2020-11-28 03:10:54,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:10:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1682 transitions. [2020-11-28 03:10:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-28 03:10:54,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:54,664 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:54,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:10:54,664 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:54,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:54,665 INFO L82 PathProgramCache]: Analyzing trace with hash 738089573, now seen corresponding path program 1 times [2020-11-28 03:10:54,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:54,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929645435] [2020-11-28 03:10:54,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-28 03:10:54,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929645435] [2020-11-28 03:10:54,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:54,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:54,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035579700] [2020-11-28 03:10:54,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:54,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:54,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:54,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:54,760 INFO L87 Difference]: Start difference. First operand 1445 states and 1682 transitions. Second operand 3 states. [2020-11-28 03:10:55,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:55,408 INFO L93 Difference]: Finished difference Result 3412 states and 3956 transitions. [2020-11-28 03:10:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:55,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-11-28 03:10:55,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:55,420 INFO L225 Difference]: With dead ends: 3412 [2020-11-28 03:10:55,420 INFO L226 Difference]: Without dead ends: 1969 [2020-11-28 03:10:55,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:55,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-28 03:10:55,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2020-11-28 03:10:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-11-28 03:10:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1972 transitions. [2020-11-28 03:10:55,473 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1972 transitions. Word has length 165 [2020-11-28 03:10:55,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:55,474 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1972 transitions. [2020-11-28 03:10:55,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1972 transitions. [2020-11-28 03:10:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-28 03:10:55,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:55,480 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:55,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:10:55,480 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:55,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:55,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1209036589, now seen corresponding path program 1 times [2020-11-28 03:10:55,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:55,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86848358] [2020-11-28 03:10:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-28 03:10:55,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86848358] [2020-11-28 03:10:55,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:55,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:10:55,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304955235] [2020-11-28 03:10:55,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:55,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:55,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:55,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:55,575 INFO L87 Difference]: Start difference. First operand 1707 states and 1972 transitions. Second operand 3 states. [2020-11-28 03:10:56,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:56,159 INFO L93 Difference]: Finished difference Result 3674 states and 4240 transitions. [2020-11-28 03:10:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:56,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-11-28 03:10:56,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:56,169 INFO L225 Difference]: With dead ends: 3674 [2020-11-28 03:10:56,170 INFO L226 Difference]: Without dead ends: 1969 [2020-11-28 03:10:56,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-28 03:10:56,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2020-11-28 03:10:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 03:10:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2256 transitions. [2020-11-28 03:10:56,225 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2256 transitions. Word has length 181 [2020-11-28 03:10:56,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:56,225 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2256 transitions. [2020-11-28 03:10:56,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2256 transitions. [2020-11-28 03:10:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-28 03:10:56,230 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:56,231 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:56,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:10:56,231 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:56,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:56,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1824598805, now seen corresponding path program 1 times [2020-11-28 03:10:56,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:56,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797165192] [2020-11-28 03:10:56,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-28 03:10:56,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797165192] [2020-11-28 03:10:56,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747371525] [2020-11-28 03:10:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:10:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:56,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:10:56,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:10:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 03:10:56,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:10:56,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:10:56,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410997487] [2020-11-28 03:10:56,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:56,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:56,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:56,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:56,723 INFO L87 Difference]: Start difference. First operand 1969 states and 2256 transitions. Second operand 3 states. [2020-11-28 03:10:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:57,379 INFO L93 Difference]: Finished difference Result 3936 states and 4510 transitions. [2020-11-28 03:10:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:57,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-28 03:10:57,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:57,394 INFO L225 Difference]: With dead ends: 3936 [2020-11-28 03:10:57,394 INFO L226 Difference]: Without dead ends: 1969 [2020-11-28 03:10:57,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-28 03:10:57,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2020-11-28 03:10:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-11-28 03:10:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2050 transitions. [2020-11-28 03:10:57,489 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2050 transitions. Word has length 197 [2020-11-28 03:10:57,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:57,491 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2050 transitions. [2020-11-28 03:10:57,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2050 transitions. [2020-11-28 03:10:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-11-28 03:10:57,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:57,498 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:10:57,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-28 03:10:57,712 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:57,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:57,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1603848634, now seen corresponding path program 1 times [2020-11-28 03:10:57,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:57,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028367500] [2020-11-28 03:10:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-28 03:10:57,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028367500] [2020-11-28 03:10:57,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651892822] [2020-11-28 03:10:57,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:10:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:58,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:10:58,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:10:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-28 03:10:58,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:10:58,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:10:58,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385939843] [2020-11-28 03:10:58,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:58,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:58,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:58,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:58,179 INFO L87 Difference]: Start difference. First operand 1838 states and 2050 transitions. Second operand 3 states. [2020-11-28 03:10:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:58,816 INFO L93 Difference]: Finished difference Result 4065 states and 4524 transitions. [2020-11-28 03:10:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:58,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-11-28 03:10:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:58,818 INFO L225 Difference]: With dead ends: 4065 [2020-11-28 03:10:58,818 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:10:58,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:58,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:10:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:10:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:10:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:10:58,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2020-11-28 03:10:58,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:58,823 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:10:58,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:10:58,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:10:59,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:10:59,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:10:59,249 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-28 03:10:59,411 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-28 03:10:59,415 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 03:10:59,415 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 03:10:59,415 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 03:10:59,415 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 03:10:59,415 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 03:10:59,415 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 03:10:59,416 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 03:10:59,417 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 03:10:59,418 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 03:10:59,419 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 03:10:59,420 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 03:10:59,420 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:10:59,420 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 03:10:59,420 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 03:10:59,425 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,425 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,425 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 03:10:59,426 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,427 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,428 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,428 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,428 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,428 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 03:10:59,429 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 03:10:59,430 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 03:10:59,430 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 03:10:59,430 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 03:10:59,430 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 03:10:59,431 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 03:10:59,431 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 03:10:59,431 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 03:10:59,431 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:10:59,432 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 03:10:59,433 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse5 (<= ~a16~0 5)) (.cse3 (<= ~a17~0 0)) (.cse4 (= ~a21~0 1)) (.cse0 (= ~a20~0 1)) (.cse6 (<= 15 ~a8~0)) (.cse1 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse3 .cse0) (and .cse5 .cse1 .cse2) (and .cse5 .cse3) (and .cse3 .cse6) (and .cse4 .cse0 .cse1) (and (not (= ~a7~0 1)) .cse6 .cse1))) [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 03:10:59,434 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 03:10:59,435 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 03:10:59,435 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 03:10:59,436 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 03:10:59,437 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,438 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse5 (<= ~a16~0 5)) (.cse3 (<= ~a17~0 0)) (.cse4 (= ~a21~0 1)) (.cse0 (= ~a20~0 1)) (.cse6 (<= 15 ~a8~0)) (.cse1 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse3 .cse0) (and .cse5 .cse1 .cse2) (and .cse5 .cse3) (and .cse3 .cse6) (and .cse4 .cse0 .cse1) (and (not (= ~a7~0 1)) .cse6 .cse1))) [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 03:10:59,439 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 03:10:59,440 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 03:10:59,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:10:59 BoogieIcfgContainer [2020-11-28 03:10:59,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:10:59,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:10:59,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:10:59,459 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:10:59,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:47" (3/4) ... [2020-11-28 03:10:59,462 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:10:59,481 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:10:59,482 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:10:59,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:59,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:59,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c253ccba-6872-4d36-9d55-c44ce7ee5977/bin/uautomizer/witness.graphml [2020-11-28 03:10:59,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:10:59,633 INFO L168 Benchmark]: Toolchain (without parser) took 14191.73 ms. Allocated memory was 98.6 MB in the beginning and 297.8 MB in the end (delta: 199.2 MB). Free memory was 64.2 MB in the beginning and 109.9 MB in the end (delta: -45.6 MB). Peak memory consumption was 153.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:59,634 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory was 52.9 MB in the beginning and 52.8 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:59,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.78 ms. Allocated memory is still 98.6 MB. Free memory was 64.2 MB in the beginning and 58.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:59,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.72 ms. Allocated memory is still 98.6 MB. Free memory was 58.8 MB in the beginning and 53.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:59,635 INFO L168 Benchmark]: Boogie Preprocessor took 67.50 ms. Allocated memory is still 98.6 MB. Free memory was 53.0 MB in the beginning and 48.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:59,635 INFO L168 Benchmark]: RCFGBuilder took 1427.44 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 48.3 MB in the beginning and 80.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:59,636 INFO L168 Benchmark]: TraceAbstraction took 11711.55 ms. Allocated memory was 123.7 MB in the beginning and 297.8 MB in the end (delta: 174.1 MB). Free memory was 79.7 MB in the beginning and 125.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 129.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:59,636 INFO L168 Benchmark]: Witness Printer took 173.60 ms. Allocated memory is still 297.8 MB. Free memory was 125.6 MB in the beginning and 109.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:59,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory was 52.9 MB in the beginning and 52.8 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.78 ms. Allocated memory is still 98.6 MB. Free memory was 64.2 MB in the beginning and 58.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.72 ms. Allocated memory is still 98.6 MB. Free memory was 58.8 MB in the beginning and 53.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.50 ms. Allocated memory is still 98.6 MB. Free memory was 53.0 MB in the beginning and 48.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1427.44 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 48.3 MB in the beginning and 80.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11711.55 ms. Allocated memory was 123.7 MB in the beginning and 297.8 MB in the end (delta: 174.1 MB). Free memory was 79.7 MB in the beginning and 125.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 129.3 MB. Max. memory is 16.1 GB. * Witness Printer took 173.60 ms. Allocated memory is still 297.8 MB. Free memory was 125.6 MB in the beginning and 109.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((a20 == 1 && a17 == 1) && a8 <= 13) || ((a17 <= 0 && a20 == 1) && a8 <= 13)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 == 1) && a8 <= 13)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((a20 == 1 && a17 == 1) && a8 <= 13) || ((a17 <= 0 && a20 == 1) && a8 <= 13)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 == 1) && a8 <= 13)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 611 SDtfs, 1406 SDslu, 61 SDs, 0 SdLazy, 3725 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 153 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1290 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1971 NumberOfCodeBlocks, 1971 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1959 ConstructedInterpolants, 0 QuantifiedInterpolants, 638020 SizeOfPredicates, 2 NumberOfNonLiveVariables, 810 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 944/950 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...