./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_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_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:50:56,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:50:56,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:50:56,024 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:50:56,024 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:50:56,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:50:56,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:50:56,027 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:50:56,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:50:56,029 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:50:56,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:50:56,030 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:50:56,030 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:50:56,031 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:50:56,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:50:56,032 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:50:56,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:50:56,034 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:50:56,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:50:56,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:50:56,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:50:56,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:50:56,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:50:56,040 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:50:56,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:50:56,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:50:56,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:50:56,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:50:56,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:50:56,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:50:56,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:50:56,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:50:56,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:50:56,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:50:56,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:50:56,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:50:56,046 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 02:50:56,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:50:56,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:50:56,054 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:50:56,054 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:50:56,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:50:56,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:50:56,055 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 02:50:56,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:50:56,055 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:50:56,055 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:50:56,055 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:50:56,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:50:56,055 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:50:56,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:50:56,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:50:56,056 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:50:56,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:50:56,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:50:56,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:50:56,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:50:56,057 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:50:56,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:50:56,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:50:56,057 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:50:56,057 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:50:56,057 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:50:56,057 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 02:50:56,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:50:56,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:50:56,058 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_6978274e-9d74-4905-bc73-dbd704abb005/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-11-10 02:50:56,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:50:56,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:50:56,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:50:56,093 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:50:56,094 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:50:56,094 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-10 02:50:56,133 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/data/00ba40bff/fe461c41f0624dfcb8bc52f454dce11c/FLAG5a5f9e6e7 [2018-11-10 02:50:56,515 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:50:56,516 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-10 02:50:56,525 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/data/00ba40bff/fe461c41f0624dfcb8bc52f454dce11c/FLAG5a5f9e6e7 [2018-11-10 02:50:56,537 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/data/00ba40bff/fe461c41f0624dfcb8bc52f454dce11c [2018-11-10 02:50:56,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:50:56,541 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 02:50:56,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:50:56,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:50:56,544 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:50:56,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:56,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56, skipping insertion in model container [2018-11-10 02:50:56,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:56,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:50:56,590 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:50:56,833 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:50:56,836 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:50:56,908 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:50:56,922 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:50:56,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56 WrapperNode [2018-11-10 02:50:56,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:50:56,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:50:56,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:50:56,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:50:56,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:56,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:57,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:57,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:57,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:57,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:57,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... [2018-11-10 02:50:57,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:50:57,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:50:57,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:50:57,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:50:57,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/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 [2018-11-10 02:50:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:50:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:50:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 02:50:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:50:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 02:50:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 02:50:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 02:50:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 02:50:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:50:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:50:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:50:57,959 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:50:57,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:50:57 BoogieIcfgContainer [2018-11-10 02:50:57,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:50:57,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:50:57,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:50:57,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:50:57,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:50:56" (1/3) ... [2018-11-10 02:50:57,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218673f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:57, skipping insertion in model container [2018-11-10 02:50:57,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:56" (2/3) ... [2018-11-10 02:50:57,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218673f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:57, skipping insertion in model container [2018-11-10 02:50:57,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:50:57" (3/3) ... [2018-11-10 02:50:57,968 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label55_true-unreach-call_false-termination.c [2018-11-10 02:50:57,974 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:50:57,981 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:50:57,992 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:50:58,017 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:50:58,018 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:50:58,018 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:50:58,018 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:50:58,018 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:50:58,018 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:50:58,018 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:50:58,018 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:50:58,019 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:50:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 02:50:58,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 02:50:58,046 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:50:58,047 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, 1, 1, 1] [2018-11-10 02:50:58,049 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:50:58,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:50:58,054 INFO L82 PathProgramCache]: Analyzing trace with hash 240629952, now seen corresponding path program 1 times [2018-11-10 02:50:58,055 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:50:58,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:50:58,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:50:58,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:50:58,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:50:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:58,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:50:58,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 02:50:58,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 02:50:58,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 02:50:58,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 02:50:58,395 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 02:50:59,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:50:59,054 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 02:50:59,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 02:50:59,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-10 02:50:59,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:50:59,067 INFO L225 Difference]: With dead ends: 550 [2018-11-10 02:50:59,067 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 02:50:59,070 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 02:50:59,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 02:50:59,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 02:50:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 02:50:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-10 02:50:59,129 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 118 [2018-11-10 02:50:59,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:50:59,129 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-10 02:50:59,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 02:50:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-10 02:50:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 02:50:59,134 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:50:59,134 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:50:59,134 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:50:59,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:50:59,135 INFO L82 PathProgramCache]: Analyzing trace with hash -617422281, now seen corresponding path program 1 times [2018-11-10 02:50:59,135 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:50:59,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:50:59,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:50:59,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:50:59,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:50:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:50:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:50:59,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:50:59,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 02:50:59,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 02:50:59,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 02:50:59,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 02:50:59,225 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-10 02:50:59,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:50:59,867 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-10 02:50:59,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 02:50:59,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-11-10 02:50:59,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:50:59,874 INFO L225 Difference]: With dead ends: 1079 [2018-11-10 02:50:59,874 INFO L226 Difference]: Without dead ends: 745 [2018-11-10 02:50:59,877 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 02:50:59,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-10 02:50:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-10 02:50:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-10 02:50:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-10 02:50:59,904 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 128 [2018-11-10 02:50:59,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:50:59,904 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-10 02:50:59,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 02:50:59,904 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-10 02:50:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 02:50:59,907 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:50:59,908 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:50:59,908 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:50:59,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:50:59,908 INFO L82 PathProgramCache]: Analyzing trace with hash 11496099, now seen corresponding path program 1 times [2018-11-10 02:50:59,908 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:50:59,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:50:59,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:50:59,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:50:59,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:50:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:51:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:51:00,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 02:51:00,077 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 02:51:00,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:51:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:51:00,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:51:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:51:00,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 02:51:00,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-10 02:51:00,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 02:51:00,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 02:51:00,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-10 02:51:00,268 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 8 states. [2018-11-10 02:51:02,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:51:02,045 INFO L93 Difference]: Finished difference Result 3855 states and 6889 transitions. [2018-11-10 02:51:02,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 02:51:02,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2018-11-10 02:51:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:51:02,062 INFO L225 Difference]: With dead ends: 3855 [2018-11-10 02:51:02,062 INFO L226 Difference]: Without dead ends: 3128 [2018-11-10 02:51:02,068 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-11-10 02:51:02,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2018-11-10 02:51:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 3084. [2018-11-10 02:51:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3084 states. [2018-11-10 02:51:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4803 transitions. [2018-11-10 02:51:02,147 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4803 transitions. Word has length 138 [2018-11-10 02:51:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:51:02,147 INFO L481 AbstractCegarLoop]: Abstraction has 3084 states and 4803 transitions. [2018-11-10 02:51:02,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 02:51:02,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4803 transitions. [2018-11-10 02:51:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 02:51:02,155 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:51:02,156 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:51:02,156 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:51:02,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:51:02,156 INFO L82 PathProgramCache]: Analyzing trace with hash 873860836, now seen corresponding path program 1 times [2018-11-10 02:51:02,156 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:51:02,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:51:02,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:51:02,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:51:02,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:51:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:51:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:51:02,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 02:51:02,249 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 02:51:02,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:51:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:51:02,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:51:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:51:02,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 02:51:02,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-10 02:51:02,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 02:51:02,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 02:51:02,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 02:51:02,361 INFO L87 Difference]: Start difference. First operand 3084 states and 4803 transitions. Second operand 7 states. [2018-11-10 02:51:03,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:51:03,135 INFO L93 Difference]: Finished difference Result 7380 states and 11794 transitions. [2018-11-10 02:51:03,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 02:51:03,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2018-11-10 02:51:03,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:51:03,156 INFO L225 Difference]: With dead ends: 7380 [2018-11-10 02:51:03,157 INFO L226 Difference]: Without dead ends: 4302 [2018-11-10 02:51:03,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-10 02:51:03,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4302 states. [2018-11-10 02:51:03,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4302 to 4182. [2018-11-10 02:51:03,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4182 states. [2018-11-10 02:51:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6218 transitions. [2018-11-10 02:51:03,264 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6218 transitions. Word has length 161 [2018-11-10 02:51:03,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:51:03,265 INFO L481 AbstractCegarLoop]: Abstraction has 4182 states and 6218 transitions. [2018-11-10 02:51:03,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 02:51:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6218 transitions. [2018-11-10 02:51:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-10 02:51:03,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:51:03,277 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:51:03,277 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:51:03,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:51:03,277 INFO L82 PathProgramCache]: Analyzing trace with hash -851782568, now seen corresponding path program 1 times [2018-11-10 02:51:03,277 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:51:03,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:51:03,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:51:03,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:51:03,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:51:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:51:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 26 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 02:51:03,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 02:51:03,403 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 02:51:03,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:51:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:51:03,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:51:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 02:51:03,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 02:51:03,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-10 02:51:03,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 02:51:03,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 02:51:03,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 02:51:03,562 INFO L87 Difference]: Start difference. First operand 4182 states and 6218 transitions. Second operand 5 states. [2018-11-10 02:51:04,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:51:04,444 INFO L93 Difference]: Finished difference Result 10186 states and 15873 transitions. [2018-11-10 02:51:04,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 02:51:04,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2018-11-10 02:51:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:51:04,445 INFO L225 Difference]: With dead ends: 10186 [2018-11-10 02:51:04,445 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 02:51:04,472 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 02:51:04,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 02:51:04,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 02:51:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 02:51:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 02:51:04,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-11-10 02:51:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:51:04,473 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 02:51:04,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 02:51:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 02:51:04,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:51:04,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 02:51:04,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:04,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 02:51:05,187 WARN L179 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2018-11-10 02:51:05,311 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-11-10 02:51:05,427 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-11-10 02:51:05,429 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 02:51:05,429 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-10 02:51:05,429 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:51:05,429 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 02:51:05,430 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,431 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 02:51:05,432 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,433 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,434 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 02:51:05,435 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 02:51:05,436 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,437 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,438 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,439 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= |old(~a8~0)| ~a8~0)) (.cse5 (not (= ~a16~0 6))) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse8 (= ~a21~0 |old(~a21~0)|))) (let ((.cse11 (and .cse4 .cse5 .cse7 .cse8)) (.cse6 (<= ~a17~0 0)) (.cse9 (< 0 |old(~a17~0)|)) (.cse2 (< |old(~a8~0)| 15)) (.cse3 (= 6 |old(~a16~0)|)) (.cse14 (not (= ~a17~0 1))) (.cse13 (= 1 |old(~a17~0)|)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse10 (< 13 |old(~a8~0)|)) (.cse12 (not (= 1 |old(~a20~0)|))) (.cse1 (and .cse4 .cse7 .cse8))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9) (or .cse3 .cse10 .cse11) (or .cse10 .cse12 (and .cse4 .cse6 .cse7 .cse8) .cse9) (or .cse3 .cse0 .cse5 .cse2) (or .cse3 .cse0 .cse12 .cse11) (or .cse3 .cse0 .cse10 .cse13 .cse14) (or .cse6 (not (= |old(~a21~0)| 1)) .cse9 .cse2) (or .cse14 .cse0 .cse13 .cse2) (or .cse0 .cse10 .cse12 .cse13 .cse14) (or .cse3 .cse0 .cse12 .cse14 .cse13) (or .cse0 .cse10 .cse12 .cse1)))) [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 02:51:05,440 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,441 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,442 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:51:05,443 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0)) [2018-11-10 02:51:05,443 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 02:51:05,443 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 02:51:05,444 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (< |old(~a8~0)| 15)) [2018-11-10 02:51:05,444 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 02:51:05,444 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse4 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse0) (< |old(~a8~0)| 15) (and .cse1 .cse2 .cse0) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse1 .cse4) (= 6 |old(~a16~0)|) (and .cse3 .cse1 .cse0) (and .cse2 .cse0 .cse4) (and .cse3 .cse2))) [2018-11-10 02:51:05,444 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 02:51:05,444 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 02:51:05,444 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 02:51:05,444 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse4 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse2 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse0) (< |old(~a8~0)| 15) (and .cse1 .cse2 .cse0) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse1 .cse4) (= 6 |old(~a16~0)|) (and .cse3 .cse1 .cse0) (and .cse2 .cse0 .cse4) (and .cse3 .cse2))) [2018-11-10 02:51:05,444 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 02:51:05,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:51:05 BoogieIcfgContainer [2018-11-10 02:51:05,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:51:05,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:51:05,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:51:05,458 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:51:05,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:50:57" (3/4) ... [2018-11-10 02:51:05,462 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:51:05,471 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 02:51:05,471 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 02:51:05,471 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 02:51:05,481 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 02:51:05,482 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 02:51:05,504 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == \old(a21)) || (15 <= a8 && 1 == a21)) || \old(a8) < 15) || ((1 == a20 && !(a16 == 6)) && 1 == a21)) || !(1 == \old(a20))) || ((a8 <= 13 && 1 == a20) && a17 <= 0)) || 6 == \old(a16)) || ((a8 <= 13 && 1 == a20) && 1 == a21)) || ((!(a16 == 6) && 1 == a21) && a17 <= 0)) || (a8 <= 13 && !(a16 == 6)) [2018-11-10 02:51:05,569 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6978274e-9d74-4905-bc73-dbd704abb005/bin-2019/uautomizer/witness.graphml [2018-11-10 02:51:05,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:51:05,570 INFO L168 Benchmark]: Toolchain (without parser) took 9029.34 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 190.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:51:05,570 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:51:05,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.30 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 923.2 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:51:05,571 INFO L168 Benchmark]: Boogie Preprocessor took 138.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 02:51:05,572 INFO L168 Benchmark]: RCFGBuilder took 898.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:51:05,573 INFO L168 Benchmark]: TraceAbstraction took 7496.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.0 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. [2018-11-10 02:51:05,573 INFO L168 Benchmark]: Witness Printer took 111.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:51:05,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.30 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 923.2 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 138.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 898.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7496.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.0 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. * Witness Printer took 111.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: 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: ((((((((!(1 == \old(a21)) || (15 <= a8 && 1 == a21)) || \old(a8) < 15) || ((1 == a20 && !(a16 == 6)) && 1 == a21)) || !(1 == \old(a20))) || ((a8 <= 13 && 1 == a20) && a17 <= 0)) || 6 == \old(a16)) || ((a8 <= 13 && 1 == a20) && 1 == a21)) || ((!(a16 == 6) && 1 == a21) && a17 <= 0)) || (a8 <= 13 && !(a16 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 7.4s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 474 SDtfs, 3800 SDslu, 632 SDs, 0 SdLazy, 5204 SolverSat, 1578 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 580 GetRequests, 534 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4182occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 176 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 163 PreInvPairs, 327 NumberOfFragments, 453 HoareAnnotationTreeSize, 163 FomulaSimplifications, 8134 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2887 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1258 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1250 ConstructedInterpolants, 0 QuantifiedInterpolants, 525764 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1314 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 250/337 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...