./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 785a7f7444547118219ac2dc565afc7f15fbca51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:47:34,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:47:34,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:47:34,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:47:34,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:47:34,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:47:34,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:47:34,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:47:34,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:47:34,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:47:34,924 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:47:34,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:47:34,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:47:34,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:47:34,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:47:34,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:47:34,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:47:34,943 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:47:34,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:47:34,946 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:47:34,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:47:34,952 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:47:34,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:47:34,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:47:34,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:47:34,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:47:34,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:47:34,960 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:47:34,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:47:34,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:47:34,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:47:34,965 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:47:34,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:47:34,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:47:34,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:47:34,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:47:34,967 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 22:47:34,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:47:34,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:47:34,983 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:47:34,983 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:47:34,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:47:34,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:47:34,984 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:47:34,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:47:34,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:47:34,985 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:47:34,985 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:47:34,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:47:34,985 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:47:34,986 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:47:34,987 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:47:34,987 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:47:34,988 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:47:34,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:47:34,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:47:34,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:47:34,988 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:47:34,989 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:47:34,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:47:34,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:47:34,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:47:34,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:47:34,989 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:47:34,990 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:47:34,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:47:34,990 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/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(__VERIFIER_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 -> 785a7f7444547118219ac2dc565afc7f15fbca51 [2018-10-26 22:47:35,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:47:35,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:47:35,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:47:35,054 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:47:35,055 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:47:35,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-10-26 22:47:35,110 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/data/92d8c7f5a/06665b292d9a463cbea3f33517fc5db7/FLAGf880f96b3 [2018-10-26 22:47:35,610 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:47:35,611 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-10-26 22:47:35,627 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/data/92d8c7f5a/06665b292d9a463cbea3f33517fc5db7/FLAGf880f96b3 [2018-10-26 22:47:35,641 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/data/92d8c7f5a/06665b292d9a463cbea3f33517fc5db7 [2018-10-26 22:47:35,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:47:35,645 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:47:35,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:47:35,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:47:35,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:47:35,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:47:35" (1/1) ... [2018-10-26 22:47:35,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e01e64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:35, skipping insertion in model container [2018-10-26 22:47:35,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:47:35" (1/1) ... [2018-10-26 22:47:35,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:47:35,710 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:47:36,017 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:47:36,020 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:47:36,110 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:47:36,123 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:47:36,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36 WrapperNode [2018-10-26 22:47:36,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:47:36,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:47:36,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:47:36,125 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:47:36,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... [2018-10-26 22:47:36,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... [2018-10-26 22:47:36,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... [2018-10-26 22:47:36,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... [2018-10-26 22:47:36,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... [2018-10-26 22:47:36,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... [2018-10-26 22:47:36,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... [2018-10-26 22:47:36,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:47:36,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:47:36,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:47:36,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:47:36,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/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 [2018-10-26 22:47:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:47:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:47:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 22:47:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:47:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 22:47:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:47:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-26 22:47:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:47:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:47:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:47:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:47:39,064 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:47:39,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:47:39 BoogieIcfgContainer [2018-10-26 22:47:39,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:47:39,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:47:39,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:47:39,068 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:47:39,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:47:35" (1/3) ... [2018-10-26 22:47:39,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539abe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:47:39, skipping insertion in model container [2018-10-26 22:47:39,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:47:36" (2/3) ... [2018-10-26 22:47:39,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539abe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:47:39, skipping insertion in model container [2018-10-26 22:47:39,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:47:39" (3/3) ... [2018-10-26 22:47:39,071 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label00_true-unreach-call_false-termination.c [2018-10-26 22:47:39,079 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:47:39,086 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:47:39,099 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:47:39,126 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:47:39,127 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:47:39,127 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:47:39,127 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:47:39,127 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:47:39,128 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:47:39,128 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:47:39,128 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:47:39,128 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:47:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-26 22:47:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 22:47:39,157 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:39,158 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:47:39,160 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:39,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:39,165 INFO L82 PathProgramCache]: Analyzing trace with hash 215974525, now seen corresponding path program 1 times [2018-10-26 22:47:39,168 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:47:39,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:47:39,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:39,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:39,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:39,623 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 22:47:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:39,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:47:39,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:47:39,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:47:39,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:47:39,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:39,695 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-26 22:47:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:47:40,769 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-26 22:47:40,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:47:40,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-10-26 22:47:40,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:47:40,784 INFO L225 Difference]: With dead ends: 550 [2018-10-26 22:47:40,784 INFO L226 Difference]: Without dead ends: 340 [2018-10-26 22:47:40,788 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:40,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-26 22:47:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-26 22:47:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-26 22:47:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-10-26 22:47:40,847 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 115 [2018-10-26 22:47:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:47:40,847 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-10-26 22:47:40,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:47:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-10-26 22:47:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 22:47:40,852 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:40,853 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:47:40,853 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:40,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:40,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1880148542, now seen corresponding path program 1 times [2018-10-26 22:47:40,853 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:47:40,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:47:40,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:40,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:40,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:40,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:47:40,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:47:40,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:47:40,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:47:40,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:47:40,992 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-10-26 22:47:42,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:47:42,098 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-10-26 22:47:42,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:47:42,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-10-26 22:47:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:47:42,109 INFO L225 Difference]: With dead ends: 1075 [2018-10-26 22:47:42,109 INFO L226 Difference]: Without dead ends: 741 [2018-10-26 22:47:42,113 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:47:42,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-26 22:47:42,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-26 22:47:42,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-26 22:47:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-10-26 22:47:42,154 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 126 [2018-10-26 22:47:42,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:47:42,155 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-10-26 22:47:42,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:47:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-10-26 22:47:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:47:42,158 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:42,158 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:47:42,159 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:42,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:42,159 INFO L82 PathProgramCache]: Analyzing trace with hash -617109654, now seen corresponding path program 1 times [2018-10-26 22:47:42,159 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:47:42,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:47:42,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:42,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:42,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:42,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:47:42,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:47:42,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:47:42,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:47:42,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:47:42,440 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-10-26 22:47:43,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:47:43,868 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-10-26 22:47:43,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:47:43,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-10-26 22:47:43,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:47:43,873 INFO L225 Difference]: With dead ends: 1578 [2018-10-26 22:47:43,873 INFO L226 Difference]: Without dead ends: 721 [2018-10-26 22:47:43,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:47:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-10-26 22:47:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-10-26 22:47:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-10-26 22:47:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-10-26 22:47:43,917 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 127 [2018-10-26 22:47:43,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:47:43,917 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-10-26 22:47:43,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:47:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-10-26 22:47:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 22:47:43,920 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:43,921 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:47:43,921 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:43,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:43,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1374839438, now seen corresponding path program 1 times [2018-10-26 22:47:43,921 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:47:43,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:47:43,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:43,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:43,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:44,202 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 22:47:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:44,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:47:44,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:47:44,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:47:44,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:47:44,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:44,273 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-10-26 22:47:45,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:47:45,268 INFO L93 Difference]: Finished difference Result 1514 states and 2242 transitions. [2018-10-26 22:47:45,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:47:45,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-10-26 22:47:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:47:45,274 INFO L225 Difference]: With dead ends: 1514 [2018-10-26 22:47:45,274 INFO L226 Difference]: Without dead ends: 799 [2018-10-26 22:47:45,276 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:45,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2018-10-26 22:47:45,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 796. [2018-10-26 22:47:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2018-10-26 22:47:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1050 transitions. [2018-10-26 22:47:45,296 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1050 transitions. Word has length 131 [2018-10-26 22:47:45,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:47:45,297 INFO L481 AbstractCegarLoop]: Abstraction has 796 states and 1050 transitions. [2018-10-26 22:47:45,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:47:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1050 transitions. [2018-10-26 22:47:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:47:45,300 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:47:45,301 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:47:45,301 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:47:45,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:47:45,301 INFO L82 PathProgramCache]: Analyzing trace with hash 503663726, now seen corresponding path program 1 times [2018-10-26 22:47:45,301 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:47:45,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:47:45,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:45,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:45,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:47:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:47:45,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:47:45,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:47:45,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:47:45,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:47:45,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:45,457 INFO L87 Difference]: Start difference. First operand 796 states and 1050 transitions. Second operand 3 states. [2018-10-26 22:47:45,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:47:45,873 INFO L93 Difference]: Finished difference Result 2029 states and 2714 transitions. [2018-10-26 22:47:45,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:47:45,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-10-26 22:47:45,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:47:45,879 INFO L225 Difference]: With dead ends: 2029 [2018-10-26 22:47:45,879 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:47:45,884 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:47:45,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:47:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:47:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:47:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:47:45,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-10-26 22:47:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:47:45,885 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:47:45,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:47:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:47:45,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:47:45,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:47:46,204 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2018-10-26 22:47:46,303 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a16~0)| ~a16~0) [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,304 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-26 22:47:46,305 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,306 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,306 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,307 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,307 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,307 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-26 22:47:46,308 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,309 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,310 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-26 22:47:46,311 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,312 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,313 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,314 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,317 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,317 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,317 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,317 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-26 22:47:46,317 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-26 22:47:46,318 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-26 22:47:46,319 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 500) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-26 22:47:46,320 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= ~a21~0 1))) (.cse0 (= 1 |old(~a21~0)|)) (.cse6 (= 1 |old(~a7~0)|)) (.cse7 (= 6 |old(~a16~0)|)) (.cse2 (= |old(~a16~0)| ~a16~0)) (.cse3 (not (= ~a17~0 1))) (.cse4 (not (= 8 ~a12~0))) (.cse5 (= 1 |old(~a17~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse3 .cse4 .cse5) (or .cse6 (and (not (= ~a7~0 1)) .cse2) .cse4) (or .cse7 .cse0 .cse4 (and .cse1 .cse2)) (or (not .cse0) (not (= 1 |old(~a20~0)|)) (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse2 (= 1 ~a21~0) (= 1 ~a17~0)) .cse4 (not .cse6) (not (= 13 |old(~a8~0)|)) (not .cse5)) (or .cse7 (and .cse2 .cse3) .cse4 .cse5))) [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,321 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,322 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,324 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-26 22:47:46,324 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,324 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-26 22:47:46,324 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-26 22:47:46,324 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-26 22:47:46,324 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-26 22:47:46,324 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,325 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-26 22:47:46,326 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-26 22:47:46,327 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:47:46,328 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= ~a12~0 8)) [2018-10-26 22:47:46,328 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:47:46,329 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:47:46,329 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0)) (not (= 8 ~a12~0))) [2018-10-26 22:47:46,329 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-26 22:47:46,329 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 1))) (.cse2 (not (= ~a16~0 6))) (.cse1 (not (= ~a17~0 1)))) (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (and .cse0 .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0)) (and .cse0 .cse2) (not (= 8 ~a12~0)) (and .cse2 .cse1) (not (= ~a7~0 1)))) [2018-10-26 22:47:46,329 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-26 22:47:46,329 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-26 22:47:46,329 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-26 22:47:46,329 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 1))) (.cse2 (not (= ~a16~0 6))) (.cse1 (not (= ~a17~0 1)))) (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (and .cse0 .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0)) (and .cse0 .cse2) (not (= 8 ~a12~0)) (and .cse2 .cse1) (not (= ~a7~0 1)))) [2018-10-26 22:47:46,329 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-26 22:47:46,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:47:46 BoogieIcfgContainer [2018-10-26 22:47:46,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:47:46,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:47:46,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:47:46,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:47:46,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:47:39" (3/4) ... [2018-10-26 22:47:46,365 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:47:46,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:47:46,372 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-10-26 22:47:46,373 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:47:46,385 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 22:47:46,390 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:47:46,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((6 == \old(a16) || 1 == \old(a7)) || (!(a21 == 1) && !(a17 == 1))) || ((1 == a20 && 13 == a8) && 4 == a16)) || (!(a21 == 1) && !(a16 == 6))) || !(8 == a12)) || (!(a16 == 6) && !(a17 == 1))) || !(a7 == 1) [2018-10-26 22:47:46,536 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aec425c5-5acd-486d-9213-7fc8ad6dbf78/bin-2019/uautomizer/witness.graphml [2018-10-26 22:47:46,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:47:46,537 INFO L168 Benchmark]: Toolchain (without parser) took 10892.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 954.3 MB in the beginning and 922.4 MB in the end (delta: 31.9 MB). Peak memory consumption was 230.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:46,537 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:47:46,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.85 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:46,540 INFO L168 Benchmark]: Boogie Preprocessor took 163.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -232.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:46,540 INFO L168 Benchmark]: RCFGBuilder took 2776.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:46,540 INFO L168 Benchmark]: TraceAbstraction took 7290.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.0 GB in the beginning and 943.3 MB in the end (delta: 98.8 MB). Peak memory consumption was 142.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:46,541 INFO L168 Benchmark]: Witness Printer took 179.83 ms. Allocated memory is still 1.2 GB. Free memory was 943.3 MB in the beginning and 922.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:46,543 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 477.85 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 163.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -232.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2776.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7290.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.0 GB in the beginning and 943.3 MB in the end (delta: 98.8 MB). Peak memory consumption was 142.3 MB. Max. memory is 11.5 GB. * Witness Printer took 179.83 ms. Allocated memory is still 1.2 GB. Free memory was 943.3 MB in the beginning and 922.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 500]: 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: 583]: Loop Invariant Derived loop invariant: ((((((6 == \old(a16) || 1 == \old(a7)) || (!(a21 == 1) && !(a17 == 1))) || ((1 == a20 && 13 == a8) && 4 == a16)) || (!(a21 == 1) && !(a16 == 6))) || !(8 == a12)) || (!(a16 == 6) && !(a17 == 1))) || !(a7 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 835 SDtfs, 1477 SDslu, 314 SDs, 0 SdLazy, 2602 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=796occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 31 PreInvPairs, 49 NumberOfFragments, 280 HoareAnnotationTreeSize, 31 FomulaSimplifications, 240 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 201 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 487931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 62/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...