./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:36:34,462 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:36:34,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:36:34,470 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:36:34,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:36:34,470 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:36:34,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:36:34,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:36:34,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:36:34,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:36:34,474 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:36:34,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:36:34,475 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:36:34,476 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:36:34,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:36:34,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:36:34,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:36:34,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:36:34,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:36:34,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:36:34,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:36:34,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:36:34,484 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:36:34,484 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:36:34,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:36:34,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:36:34,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:36:34,487 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:36:34,487 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:36:34,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:36:34,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:36:34,488 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:36:34,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:36:34,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:36:34,489 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:36:34,490 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:36:34,490 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:36:34,500 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:36:34,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:36:34,501 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:36:34,501 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:36:34,501 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:36:34,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:36:34,502 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:36:34,503 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:36:34,503 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:36:34,503 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:36:34,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:36:34,503 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:36:34,503 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:36:34,503 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:36:34,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:36:34,504 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:36:34,504 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:36:34,504 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:36:34,504 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:36:34,504 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:36:34,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:36:34,504 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_a257ce23-9968-4bc5-8edf-b110fabf9e0c/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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-11-18 13:36:34,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:36:34,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:36:34,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:36:34,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:36:34,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:36:34,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-18 13:36:34,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/data/caa1071bf/afc880777671452e83cebfde34c6e982/FLAG1c9c7dd30 [2018-11-18 13:36:35,040 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:36:35,041 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-18 13:36:35,049 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/data/caa1071bf/afc880777671452e83cebfde34c6e982/FLAG1c9c7dd30 [2018-11-18 13:36:35,552 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/data/caa1071bf/afc880777671452e83cebfde34c6e982 [2018-11-18 13:36:35,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:36:35,555 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:36:35,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:36:35,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:36:35,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:36:35,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:35,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35, skipping insertion in model container [2018-11-18 13:36:35,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:35,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:36:35,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:36:35,836 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:36:35,839 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:36:35,905 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:36:35,914 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:36:35,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35 WrapperNode [2018-11-18 13:36:35,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:36:35,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:36:35,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:36:35,915 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:36:35,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:35,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:35,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:35,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:36,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:36,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:36,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... [2018-11-18 13:36:36,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:36:36,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:36:36,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:36:36,030 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:36:36,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/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 [2018-11-18 13:36:36,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:36:36,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:36:36,076 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:36:36,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:36:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:36:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:36:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:36:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:36:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:36:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:36:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:36:36,813 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:36:36,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:36:36 BoogieIcfgContainer [2018-11-18 13:36:36,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:36:36,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:36:36,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:36:36,817 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:36:36,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:36:35" (1/3) ... [2018-11-18 13:36:36,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dead14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:36:36, skipping insertion in model container [2018-11-18 13:36:36,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:35" (2/3) ... [2018-11-18 13:36:36,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dead14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:36:36, skipping insertion in model container [2018-11-18 13:36:36,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:36:36" (3/3) ... [2018-11-18 13:36:36,819 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02_true-unreach-call_false-termination.c [2018-11-18 13:36:36,825 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:36:36,830 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:36:36,839 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:36:36,859 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:36:36,859 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:36:36,859 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:36:36,859 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:36:36,860 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:36:36,860 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:36:36,860 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:36:36,860 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:36:36,860 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:36:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 13:36:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 13:36:36,882 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:36,882 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] [2018-11-18 13:36:36,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:36,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:36,887 INFO L82 PathProgramCache]: Analyzing trace with hash -388203563, now seen corresponding path program 1 times [2018-11-18 13:36:36,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:36:36,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:36:36,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:36,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:36,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:36:37,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:37,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:36:37,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:36:37,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:36:37,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:37,182 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 13:36:37,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:37,729 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 13:36:37,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:36:37,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-18 13:36:37,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:37,739 INFO L225 Difference]: With dead ends: 550 [2018-11-18 13:36:37,740 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 13:36:37,752 INFO L604 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 [2018-11-18 13:36:37,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 13:36:37,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 13:36:37,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 13:36:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-18 13:36:37,795 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 97 [2018-11-18 13:36:37,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:37,795 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-18 13:36:37,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:36:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-18 13:36:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:36:37,798 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:37,799 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] [2018-11-18 13:36:37,799 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:37,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:37,799 INFO L82 PathProgramCache]: Analyzing trace with hash -663690794, now seen corresponding path program 1 times [2018-11-18 13:36:37,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:36:37,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:36:37,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:37,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:37,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:36:37,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:37,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:36:37,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:36:37,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:36:37,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:36:37,874 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-18 13:36:38,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:38,424 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-18 13:36:38,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:36:38,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-18 13:36:38,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:38,428 INFO L225 Difference]: With dead ends: 888 [2018-11-18 13:36:38,428 INFO L226 Difference]: Without dead ends: 554 [2018-11-18 13:36:38,432 INFO L604 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 [2018-11-18 13:36:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-18 13:36:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-18 13:36:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 13:36:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-18 13:36:38,452 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 108 [2018-11-18 13:36:38,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:38,452 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-18 13:36:38,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:36:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-18 13:36:38,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:36:38,454 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:38,454 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] [2018-11-18 13:36:38,454 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:38,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:38,454 INFO L82 PathProgramCache]: Analyzing trace with hash 280162818, now seen corresponding path program 1 times [2018-11-18 13:36:38,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:36:38,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:36:38,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:38,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:38,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:36:38,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:38,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:36:38,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:36:38,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:36:38,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:38,548 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-11-18 13:36:38,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:38,942 INFO L93 Difference]: Finished difference Result 1529 states and 2431 transitions. [2018-11-18 13:36:38,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:36:38,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-11-18 13:36:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:38,947 INFO L225 Difference]: With dead ends: 1529 [2018-11-18 13:36:38,947 INFO L226 Difference]: Without dead ends: 996 [2018-11-18 13:36:38,949 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:38,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-11-18 13:36:38,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 989. [2018-11-18 13:36:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2018-11-18 13:36:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1498 transitions. [2018-11-18 13:36:38,978 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1498 transitions. Word has length 109 [2018-11-18 13:36:38,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:38,979 INFO L480 AbstractCegarLoop]: Abstraction has 989 states and 1498 transitions. [2018-11-18 13:36:38,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:36:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1498 transitions. [2018-11-18 13:36:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 13:36:38,981 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:38,982 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 13:36:38,982 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:38,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:38,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1178712562, now seen corresponding path program 1 times [2018-11-18 13:36:38,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:36:38,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:36:38,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:38,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:38,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:36:39,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:39,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:36:39,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:36:39,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:36:39,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:39,061 INFO L87 Difference]: Start difference. First operand 989 states and 1498 transitions. Second operand 3 states. [2018-11-18 13:36:39,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:39,491 INFO L93 Difference]: Finished difference Result 2872 states and 4515 transitions. [2018-11-18 13:36:39,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:36:39,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-18 13:36:39,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:39,502 INFO L225 Difference]: With dead ends: 2872 [2018-11-18 13:36:39,505 INFO L226 Difference]: Without dead ends: 1889 [2018-11-18 13:36:39,509 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:39,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2018-11-18 13:36:39,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1886. [2018-11-18 13:36:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-11-18 13:36:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2743 transitions. [2018-11-18 13:36:39,553 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2743 transitions. Word has length 115 [2018-11-18 13:36:39,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:39,553 INFO L480 AbstractCegarLoop]: Abstraction has 1886 states and 2743 transitions. [2018-11-18 13:36:39,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:36:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2743 transitions. [2018-11-18 13:36:39,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 13:36:39,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:39,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:39,557 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:39,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:39,558 INFO L82 PathProgramCache]: Analyzing trace with hash 856948235, now seen corresponding path program 1 times [2018-11-18 13:36:39,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:36:39,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:36:39,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:39,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:39,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:36:39,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:39,623 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/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 [2018-11-18 13:36:39,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:39,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:36:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:36:39,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:36:39,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-18 13:36:39,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:36:39,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:36:39,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:36:39,801 INFO L87 Difference]: Start difference. First operand 1886 states and 2743 transitions. Second operand 7 states. [2018-11-18 13:36:41,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:41,077 INFO L93 Difference]: Finished difference Result 6003 states and 9406 transitions. [2018-11-18 13:36:41,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 13:36:41,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2018-11-18 13:36:41,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:41,100 INFO L225 Difference]: With dead ends: 6003 [2018-11-18 13:36:41,100 INFO L226 Difference]: Without dead ends: 4123 [2018-11-18 13:36:41,108 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-18 13:36:41,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4123 states. [2018-11-18 13:36:41,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4123 to 4026. [2018-11-18 13:36:41,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4026 states. [2018-11-18 13:36:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 4026 states and 5710 transitions. [2018-11-18 13:36:41,252 INFO L78 Accepts]: Start accepts. Automaton has 4026 states and 5710 transitions. Word has length 135 [2018-11-18 13:36:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:41,252 INFO L480 AbstractCegarLoop]: Abstraction has 4026 states and 5710 transitions. [2018-11-18 13:36:41,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:36:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4026 states and 5710 transitions. [2018-11-18 13:36:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 13:36:41,259 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:41,259 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:41,259 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:41,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:41,260 INFO L82 PathProgramCache]: Analyzing trace with hash -369839717, now seen corresponding path program 1 times [2018-11-18 13:36:41,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:36:41,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:36:41,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:41,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:41,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:36:41,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:41,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:36:41,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:36:41,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:36:41,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:41,349 INFO L87 Difference]: Start difference. First operand 4026 states and 5710 transitions. Second operand 3 states. [2018-11-18 13:36:41,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:41,753 INFO L93 Difference]: Finished difference Result 7541 states and 10630 transitions. [2018-11-18 13:36:41,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:36:41,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-11-18 13:36:41,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:41,754 INFO L225 Difference]: With dead ends: 7541 [2018-11-18 13:36:41,755 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:36:41,764 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:36:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:36:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:36:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:36:41,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2018-11-18 13:36:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:41,765 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:36:41,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:36:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:36:41,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:36:41,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:36:42,050 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 42 [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:36:42,124 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,124 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,125 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 13:36:42,126 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 13:36:42,127 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 13:36:42,128 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 13:36:42,129 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 13:36:42,130 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 13:36:42,131 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 13:36:42,132 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 13:36:42,133 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a21~0)|)) (.cse1 (= |old(~a16~0)| ~a16~0)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (= 1 ~a17~0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse8 (<= ~a20~0 0)) (.cse9 (< 0 |old(~a20~0)|)) (.cse4 (not (= 1 |old(~a17~0)|))) (.cse5 (and .cse1 .cse2)) (.cse6 (not .cse10)) (.cse7 (= 1 |old(~a7~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4) (or .cse0 (= 4 |old(~a16~0)|) .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse6 .cse9 (and .cse1 .cse2 .cse8)) (or .cse6 .cse7 .cse3 .cse4) (or .cse0 .cse8 .cse9 .cse4) (or .cse5 .cse10) (or .cse6 .cse7 (and (not (= ~a7~0 1)) .cse1 .cse2))))) [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,134 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,135 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 13:36:42,136 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:36:42,137 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-18 13:36:42,138 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:36:42,138 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:36:42,138 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a17~0)|)) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|) (= 1 ~a17~0))) [2018-11-18 13:36:42,139 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 13:36:42,139 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (= 1 ~a17~0)) (not (= 1 ~a21~0)) (and .cse0 (not (= ~a16~0 4))) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 4 |old(~a16~0)|))) [2018-11-18 13:36:42,139 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 13:36:42,139 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 13:36:42,139 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 13:36:42,139 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (= 1 ~a17~0)) (not (= 1 ~a21~0)) (and .cse0 (not (= ~a16~0 4))) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 4 |old(~a16~0)|))) [2018-11-18 13:36:42,139 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 13:36:42,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:36:42 BoogieIcfgContainer [2018-11-18 13:36:42,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:36:42,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:36:42,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:36:42,153 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:36:42,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:36:36" (3/4) ... [2018-11-18 13:36:42,156 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:36:42,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:36:42,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:36:42,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:36:42,171 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:36:42,172 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:36:42,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((6 == \old(a16) || !(1 == \old(a21))) || (!(a16 == 6) && 1 == a17)) || !(1 == a21)) || (!(a16 == 6) && !(a16 == 4))) || (!(a16 == 6) && a20 <= 0)) || !(1 == \old(a17))) || 1 == \old(a7)) || !(a7 == 1)) || 4 == \old(a16) [2018-11-18 13:36:42,254 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a257ce23-9968-4bc5-8edf-b110fabf9e0c/bin-2019/uautomizer/witness.graphml [2018-11-18 13:36:42,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:36:42,255 INFO L168 Benchmark]: Toolchain (without parser) took 6699.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.0 MB). Free memory was 957.6 MB in the beginning and 917.2 MB in the end (delta: 40.4 MB). Peak memory consumption was 288.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:42,255 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:36:42,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 922.6 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:42,256 INFO L168 Benchmark]: Boogie Preprocessor took 114.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:42,256 INFO L168 Benchmark]: RCFGBuilder took 784.47 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:42,256 INFO L168 Benchmark]: TraceAbstraction took 5337.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 1.0 GB in the beginning and 931.6 MB in the end (delta: 86.6 MB). Peak memory consumption was 199.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:42,257 INFO L168 Benchmark]: Witness Printer took 101.23 ms. Allocated memory is still 1.3 GB. Free memory was 931.6 MB in the beginning and 917.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:42,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 922.6 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 784.47 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5337.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 1.0 GB in the beginning and 931.6 MB in the end (delta: 86.6 MB). Peak memory consumption was 199.9 MB. Max. memory is 11.5 GB. * Witness Printer took 101.23 ms. Allocated memory is still 1.3 GB. Free memory was 931.6 MB in the beginning and 917.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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(a21))) || (!(a16 == 6) && 1 == a17)) || !(1 == a21)) || (!(a16 == 6) && !(a16 == 4))) || (!(a16 == 6) && a20 <= 0)) || !(1 == \old(a17))) || 1 == \old(a7)) || !(a7 == 1)) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 5.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 882 SDtfs, 2151 SDslu, 525 SDs, 0 SdLazy, 3946 SolverSat, 921 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 156 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4026occurred in iteration=5, 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, 6 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 81 PreInvPairs, 129 NumberOfFragments, 291 HoareAnnotationTreeSize, 81 FomulaSimplifications, 1940 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 805 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 842 NumberOfCodeBlocks, 842 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 266715 SizeOfPredicates, 2 NumberOfNonLiveVariables, 426 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 174/176 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...