./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/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_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/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 0.1.23-635dfa2 [2018-12-09 15:29:10,643 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:29:10,644 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:29:10,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:29:10,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:29:10,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:29:10,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:29:10,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:29:10,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:29:10,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:29:10,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:29:10,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:29:10,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:29:10,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:29:10,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:29:10,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:29:10,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:29:10,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:29:10,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:29:10,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:29:10,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:29:10,666 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:29:10,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:29:10,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:29:10,668 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:29:10,668 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:29:10,669 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:29:10,669 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:29:10,670 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:29:10,670 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:29:10,671 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:29:10,671 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:29:10,671 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:29:10,671 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:29:10,672 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:29:10,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:29:10,673 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 15:29:10,682 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:29:10,682 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:29:10,683 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:29:10,683 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:29:10,683 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:29:10,683 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:29:10,684 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 15:29:10,684 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:29:10,684 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:29:10,684 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:29:10,684 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:29:10,684 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:29:10,684 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:29:10,684 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:29:10,685 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:29:10,685 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:29:10,685 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:29:10,685 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:29:10,685 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:29:10,685 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:29:10,685 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:29:10,686 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:29:10,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:29:10,686 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_ce2018e0-b704-4e7a-b910-d469187e641a/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 [2018-12-09 15:29:10,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:29:10,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:29:10,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:29:10,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:29:10,713 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:29:10,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-12-09 15:29:10,748 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/data/ec825ecf5/733651111fca41c882e1298a981e4c6b/FLAG6ba61361a [2018-12-09 15:29:11,196 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:29:11,197 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-12-09 15:29:11,203 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/data/ec825ecf5/733651111fca41c882e1298a981e4c6b/FLAG6ba61361a [2018-12-09 15:29:11,212 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/data/ec825ecf5/733651111fca41c882e1298a981e4c6b [2018-12-09 15:29:11,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:29:11,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:29:11,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:29:11,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:29:11,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:29:11,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11, skipping insertion in model container [2018-12-09 15:29:11,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:29:11,245 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:29:11,414 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:29:11,417 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:29:11,517 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:29:11,530 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:29:11,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11 WrapperNode [2018-12-09 15:29:11,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:29:11,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:29:11,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:29:11,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:29:11,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:29:11,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:29:11,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:29:11,557 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:29:11,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... [2018-12-09 15:29:11,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:29:11,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:29:11,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:29:11,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:29:11,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/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 [2018-12-09 15:29:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:29:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:29:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 15:29:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 15:29:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:29:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:29:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:29:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:29:12,204 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:29:12,204 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 15:29:12,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:29:12 BoogieIcfgContainer [2018-12-09 15:29:12,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:29:12,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:29:12,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:29:12,208 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:29:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:29:11" (1/3) ... [2018-12-09 15:29:12,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:29:12, skipping insertion in model container [2018-12-09 15:29:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:29:11" (2/3) ... [2018-12-09 15:29:12,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:29:12, skipping insertion in model container [2018-12-09 15:29:12,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:29:12" (3/3) ... [2018-12-09 15:29:12,211 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02_true-unreach-call_false-termination.c [2018-12-09 15:29:12,219 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:29:12,225 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:29:12,238 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:29:12,264 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 15:29:12,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:29:12,264 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:29:12,264 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:29:12,264 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:29:12,265 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:29:12,265 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:29:12,265 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:29:12,265 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:29:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 15:29:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-09 15:29:12,283 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:29:12,284 INFO L402 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] [2018-12-09 15:29:12,285 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:29:12,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:29:12,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2018-12-09 15:29:12,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:29:12,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:29:12,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:12,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:29:12,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:29:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:29:12,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:29:12,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:29:12,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:29:12,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:29:12,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:29:12,537 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 15:29:12,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:29:12,953 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 15:29:12,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:29:12,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-12-09 15:29:12,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:29:12,962 INFO L225 Difference]: With dead ends: 547 [2018-12-09 15:29:12,962 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 15:29:12,965 INFO L631 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 [2018-12-09 15:29:12,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 15:29:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 15:29:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 15:29:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-09 15:29:13,000 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 96 [2018-12-09 15:29:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:29:13,001 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-09 15:29:13,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:29:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-09 15:29:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 15:29:13,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:29:13,003 INFO L402 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] [2018-12-09 15:29:13,003 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:29:13,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:29:13,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2018-12-09 15:29:13,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:29:13,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:29:13,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:13,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:29:13,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:29:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:29:13,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:29:13,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:29:13,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:29:13,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:29:13,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:29:13,062 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-09 15:29:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:29:13,450 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-09 15:29:13,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:29:13,450 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-12-09 15:29:13,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:29:13,453 INFO L225 Difference]: With dead ends: 703 [2018-12-09 15:29:13,453 INFO L226 Difference]: Without dead ends: 431 [2018-12-09 15:29:13,454 INFO L631 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 [2018-12-09 15:29:13,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-09 15:29:13,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-09 15:29:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-09 15:29:13,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-09 15:29:13,469 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 106 [2018-12-09 15:29:13,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:29:13,469 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-09 15:29:13,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:29:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-09 15:29:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 15:29:13,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:29:13,470 INFO L402 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] [2018-12-09 15:29:13,471 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:29:13,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:29:13,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1059863033, now seen corresponding path program 1 times [2018-12-09 15:29:13,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:29:13,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:29:13,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:13,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:29:13,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:29:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:29:13,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:29:13,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:29:13,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:29:13,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:29:13,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:29:13,525 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-09 15:29:13,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:29:13,757 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-09 15:29:13,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:29:13,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-09 15:29:13,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:29:13,761 INFO L225 Difference]: With dead ends: 1241 [2018-12-09 15:29:13,761 INFO L226 Difference]: Without dead ends: 828 [2018-12-09 15:29:13,761 INFO L631 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 [2018-12-09 15:29:13,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-09 15:29:13,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-09 15:29:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-09 15:29:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1160 transitions. [2018-12-09 15:29:13,780 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1160 transitions. Word has length 107 [2018-12-09 15:29:13,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:29:13,780 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1160 transitions. [2018-12-09 15:29:13,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:29:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1160 transitions. [2018-12-09 15:29:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 15:29:13,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:29:13,782 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 15:29:13,782 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:29:13,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:29:13,782 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2018-12-09 15:29:13,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:29:13,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:29:13,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:13,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:29:13,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:29:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:29:13,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:29:13,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:29:13,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:29:13,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:29:13,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:29:13,850 INFO L87 Difference]: Start difference. First operand 828 states and 1160 transitions. Second operand 3 states. [2018-12-09 15:29:14,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:29:14,120 INFO L93 Difference]: Finished difference Result 2331 states and 3360 transitions. [2018-12-09 15:29:14,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:29:14,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-12-09 15:29:14,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:29:14,124 INFO L225 Difference]: With dead ends: 2331 [2018-12-09 15:29:14,124 INFO L226 Difference]: Without dead ends: 1509 [2018-12-09 15:29:14,126 INFO L631 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 [2018-12-09 15:29:14,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2018-12-09 15:29:14,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2018-12-09 15:29:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1509 states. [2018-12-09 15:29:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2059 transitions. [2018-12-09 15:29:14,152 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2059 transitions. Word has length 113 [2018-12-09 15:29:14,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:29:14,153 INFO L480 AbstractCegarLoop]: Abstraction has 1509 states and 2059 transitions. [2018-12-09 15:29:14,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:29:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2059 transitions. [2018-12-09 15:29:14,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 15:29:14,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:29:14,156 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 15:29:14,156 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:29:14,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:29:14,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1298833038, now seen corresponding path program 1 times [2018-12-09 15:29:14,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:29:14,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:29:14,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:14,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:29:14,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:29:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:29:14,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:29:14,221 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/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 [2018-12-09 15:29:14,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:29:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:29:14,294 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:29:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:29:14,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 15:29:14,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-12-09 15:29:14,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:29:14,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:29:14,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:29:14,393 INFO L87 Difference]: Start difference. First operand 1509 states and 2059 transitions. Second operand 7 states. [2018-12-09 15:29:15,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:29:15,248 INFO L93 Difference]: Finished difference Result 4462 states and 6456 transitions. [2018-12-09 15:29:15,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 15:29:15,248 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2018-12-09 15:29:15,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:29:15,260 INFO L225 Difference]: With dead ends: 4462 [2018-12-09 15:29:15,260 INFO L226 Difference]: Without dead ends: 2959 [2018-12-09 15:29:15,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-12-09 15:29:15,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2018-12-09 15:29:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2629. [2018-12-09 15:29:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2018-12-09 15:29:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3475 transitions. [2018-12-09 15:29:15,324 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3475 transitions. Word has length 132 [2018-12-09 15:29:15,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:29:15,325 INFO L480 AbstractCegarLoop]: Abstraction has 2629 states and 3475 transitions. [2018-12-09 15:29:15,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:29:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3475 transitions. [2018-12-09 15:29:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 15:29:15,329 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:29:15,330 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 15:29:15,330 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:29:15,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:29:15,330 INFO L82 PathProgramCache]: Analyzing trace with hash 910063858, now seen corresponding path program 1 times [2018-12-09 15:29:15,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:29:15,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:29:15,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:15,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:29:15,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:29:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:29:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 15:29:15,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:29:15,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:29:15,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:29:15,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:29:15,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:29:15,397 INFO L87 Difference]: Start difference. First operand 2629 states and 3475 transitions. Second operand 3 states. [2018-12-09 15:29:15,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:29:15,672 INFO L93 Difference]: Finished difference Result 5250 states and 6943 transitions. [2018-12-09 15:29:15,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:29:15,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-12-09 15:29:15,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:29:15,673 INFO L225 Difference]: With dead ends: 5250 [2018-12-09 15:29:15,673 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:29:15,680 INFO L631 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 [2018-12-09 15:29:15,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:29:15,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:29:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:29:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:29:15,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-12-09 15:29:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:29:15,681 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:29:15,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:29:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:29:15,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:29:15,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:29:15,955 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2018-12-09 15:29:16,026 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 15:29:16,027 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 15:29:16,028 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,029 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 15:29:16,030 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 15:29:16,031 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 15:29:16,032 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 15:29:16,033 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 15:29:16,034 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 15:29:16,035 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L444 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 .cse6 .cse7 .cse3 .cse4) (or (or .cse0 .cse6 .cse9) (and .cse1 .cse2 .cse8)) (or .cse0 .cse8 .cse9 .cse4) (or .cse5 .cse10) (or .cse6 .cse7 (and (not (= ~a7~0 1)) .cse1 .cse2))))) [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,036 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 15:29:16,037 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 15:29:16,038 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,039 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L444 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)) [2018-12-09 15:29:16,040 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L444 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))) [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 15:29:16,040 INFO L444 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)|))) [2018-12-09 15:29:16,040 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 15:29:16,041 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 15:29:16,041 INFO L444 ceAbstractionStarter]: At program point L583-2(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)|))) [2018-12-09 15:29:16,041 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 15:29:16,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:29:16 BoogieIcfgContainer [2018-12-09 15:29:16,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:29:16,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:29:16,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:29:16,049 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:29:16,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:29:12" (3/4) ... [2018-12-09 15:29:16,052 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:29:16,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:29:16,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 15:29:16,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:29:16,065 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 15:29:16,065 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 15:29:16,090 WARN L221 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) [2018-12-09 15:29:16,152 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce2018e0-b704-4e7a-b910-d469187e641a/bin-2019/uautomizer/witness.graphml [2018-12-09 15:29:16,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:29:16,153 INFO L168 Benchmark]: Toolchain (without parser) took 4939.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -302.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:29:16,154 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:29:16,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:29:16,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:29:16,154 INFO L168 Benchmark]: Boogie Preprocessor took 47.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:29:16,154 INFO L168 Benchmark]: RCFGBuilder took 599.96 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:29:16,155 INFO L168 Benchmark]: TraceAbstraction took 3843.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -269.4 MB). Peak memory consumption was 372.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:29:16,155 INFO L168 Benchmark]: Witness Printer took 103.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:29:16,156 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 599.96 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3843.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -269.4 MB). Peak memory consumption was 372.1 MB. Max. memory is 11.5 GB. * Witness Printer took 103.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 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, 207 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 379 SDtfs, 1375 SDslu, 174 SDs, 0 SdLazy, 3240 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2629occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 342 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 67 PreInvPairs, 105 NumberOfFragments, 292 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1639 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 647 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 819 ConstructedInterpolants, 0 QuantifiedInterpolants, 257621 SizeOfPredicates, 2 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 162/164 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...