./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/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 cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:07:57,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:07:57,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:07:57,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:07:57,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:07:57,734 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:07:57,734 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:07:57,735 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:07:57,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:07:57,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:07:57,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:07:57,737 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:07:57,738 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:07:57,738 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:07:57,739 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:07:57,739 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:07:57,740 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:07:57,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:07:57,742 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:07:57,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:07:57,744 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:07:57,744 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:07:57,746 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:07:57,746 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:07:57,747 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:07:57,748 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:07:57,748 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:07:57,749 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:07:57,750 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:07:57,750 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:07:57,751 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:07:57,751 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:07:57,751 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:07:57,751 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:07:57,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:07:57,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:07:57,753 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 06:07:57,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:07:57,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:07:57,764 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:07:57,764 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:07:57,764 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:07:57,764 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:07:57,765 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 06:07:57,765 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:07:57,765 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:07:57,765 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:07:57,765 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:07:57,765 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:07:57,765 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:07:57,765 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:07:57,766 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:07:57,766 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:07:57,766 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:07:57,766 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:07:57,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:07:57,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:07:57,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:07:57,767 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:07:57,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:07:57,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:07:57,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:07:57,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:07:57,767 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 06:07:57,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:07:57,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:07:57,768 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_836be54b-b8b1-4f67-92a6-3534e2bc084c/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 -> cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 [2018-11-10 06:07:57,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:07:57,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:07:57,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:07:57,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:07:57,805 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:07:57,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-10 06:07:57,852 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/data/b846eeb53/d62e6b54c5f8491fb1c029e7584345ba/FLAGa7fbdf6b8 [2018-11-10 06:07:58,249 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:07:58,249 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-10 06:07:58,258 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/data/b846eeb53/d62e6b54c5f8491fb1c029e7584345ba/FLAGa7fbdf6b8 [2018-11-10 06:07:58,270 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/data/b846eeb53/d62e6b54c5f8491fb1c029e7584345ba [2018-11-10 06:07:58,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:07:58,274 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 06:07:58,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:07:58,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:07:58,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:07:58,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d37a3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58, skipping insertion in model container [2018-11-10 06:07:58,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:07:58,325 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:07:58,550 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:07:58,554 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:07:58,624 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:07:58,637 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:07:58,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58 WrapperNode [2018-11-10 06:07:58,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:07:58,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:07:58,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:07:58,638 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:07:58,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... [2018-11-10 06:07:58,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:07:58,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:07:58,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:07:58,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:07:58,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:07:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:07:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:07:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 06:07:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:07:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 06:07:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 06:07:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 06:07:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 06:07:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:07:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:07:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:07:59,592 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:07:59,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:07:59 BoogieIcfgContainer [2018-11-10 06:07:59,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:07:59,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:07:59,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:07:59,596 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:07:59,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:07:58" (1/3) ... [2018-11-10 06:07:59,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d48223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:59, skipping insertion in model container [2018-11-10 06:07:59,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:58" (2/3) ... [2018-11-10 06:07:59,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d48223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:59, skipping insertion in model container [2018-11-10 06:07:59,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:07:59" (3/3) ... [2018-11-10 06:07:59,598 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label06_true-unreach-call_false-termination.c [2018-11-10 06:07:59,604 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:07:59,610 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:07:59,619 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:07:59,642 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:07:59,643 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:07:59,643 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:07:59,643 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:07:59,643 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:07:59,643 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:07:59,643 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:07:59,643 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:07:59,643 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:07:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 06:07:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 06:07:59,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:07:59,670 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:07:59,672 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:07:59,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:07:59,677 INFO L82 PathProgramCache]: Analyzing trace with hash 482475453, now seen corresponding path program 1 times [2018-11-10 06:07:59,678 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:07:59,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:07:59,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:07:59,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:07:59,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:07:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:07:59,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:07:59,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:07:59,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:07:59,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:08:00,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:08:00,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:08:00,011 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 06:08:00,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:00,544 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 06:08:00,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:08:00,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-11-10 06:08:00,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:00,558 INFO L225 Difference]: With dead ends: 550 [2018-11-10 06:08:00,558 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 06:08:00,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:08:00,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 06:08:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 06:08:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 06:08:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-10 06:08:00,617 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 131 [2018-11-10 06:08:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:00,618 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-10 06:08:00,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:08:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-10 06:08:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 06:08:00,624 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:00,624 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:00,625 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:00,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:00,625 INFO L82 PathProgramCache]: Analyzing trace with hash -359292034, now seen corresponding path program 1 times [2018-11-10 06:08:00,625 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:08:00,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:08:00,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:00,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:00,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:08:00,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:08:00,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:08:00,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:08:00,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:08:00,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:08:00,740 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-10 06:08:01,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:01,529 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-10 06:08:01,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:08:01,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-11-10 06:08:01,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:01,537 INFO L225 Difference]: With dead ends: 1075 [2018-11-10 06:08:01,537 INFO L226 Difference]: Without dead ends: 741 [2018-11-10 06:08:01,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:08:01,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-10 06:08:01,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-10 06:08:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-10 06:08:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-10 06:08:01,568 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 142 [2018-11-10 06:08:01,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:01,569 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-10 06:08:01,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:08:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-10 06:08:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 06:08:01,572 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:01,573 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:01,573 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:01,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:01,573 INFO L82 PathProgramCache]: Analyzing trace with hash -879449942, now seen corresponding path program 1 times [2018-11-10 06:08:01,573 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:08:01,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:08:01,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:01,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:01,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:08:01,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:08:01,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:08:01,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:08:01,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:08:01,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:08:01,790 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-10 06:08:02,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:02,282 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-10 06:08:02,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:08:02,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-11-10 06:08:02,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:02,286 INFO L225 Difference]: With dead ends: 1578 [2018-11-10 06:08:02,286 INFO L226 Difference]: Without dead ends: 721 [2018-11-10 06:08:02,289 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:08:02,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-10 06:08:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-10 06:08:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-10 06:08:02,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-10 06:08:02,311 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 143 [2018-11-10 06:08:02,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:02,311 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-10 06:08:02,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:08:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-10 06:08:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 06:08:02,313 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:02,314 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:02,314 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:02,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:02,314 INFO L82 PathProgramCache]: Analyzing trace with hash 353210034, now seen corresponding path program 1 times [2018-11-10 06:08:02,314 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:08:02,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:08:02,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:02,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:02,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:08:02,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:08:02,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:08:02,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:08:02,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:08:02,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:08:02,418 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-10 06:08:02,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:02,766 INFO L93 Difference]: Finished difference Result 1871 states and 2749 transitions. [2018-11-10 06:08:02,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:08:02,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-11-10 06:08:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:02,770 INFO L225 Difference]: With dead ends: 1871 [2018-11-10 06:08:02,771 INFO L226 Difference]: Without dead ends: 1156 [2018-11-10 06:08:02,773 INFO L605 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 [2018-11-10 06:08:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2018-11-10 06:08:02,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1153. [2018-11-10 06:08:02,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-11-10 06:08:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1553 transitions. [2018-11-10 06:08:02,796 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1553 transitions. Word has length 147 [2018-11-10 06:08:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:02,796 INFO L481 AbstractCegarLoop]: Abstraction has 1153 states and 1553 transitions. [2018-11-10 06:08:02,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:08:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1553 transitions. [2018-11-10 06:08:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 06:08:02,800 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:02,800 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:02,800 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:02,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:02,801 INFO L82 PathProgramCache]: Analyzing trace with hash -2123069123, now seen corresponding path program 1 times [2018-11-10 06:08:02,801 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:08:02,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:08:02,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:02,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:02,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 06:08:02,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:08:02,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 06:08:02,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 06:08:02,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 06:08:02,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 06:08:02,898 INFO L87 Difference]: Start difference. First operand 1153 states and 1553 transitions. Second operand 4 states. [2018-11-10 06:08:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:03,433 INFO L93 Difference]: Finished difference Result 3973 states and 5595 transitions. [2018-11-10 06:08:03,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:08:03,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2018-11-10 06:08:03,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:03,443 INFO L225 Difference]: With dead ends: 3973 [2018-11-10 06:08:03,443 INFO L226 Difference]: Without dead ends: 2826 [2018-11-10 06:08:03,447 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 06:08:03,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2018-11-10 06:08:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2796. [2018-11-10 06:08:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2018-11-10 06:08:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3650 transitions. [2018-11-10 06:08:03,499 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3650 transitions. Word has length 168 [2018-11-10 06:08:03,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:03,500 INFO L481 AbstractCegarLoop]: Abstraction has 2796 states and 3650 transitions. [2018-11-10 06:08:03,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 06:08:03,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3650 transitions. [2018-11-10 06:08:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 06:08:03,507 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:03,508 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:03,508 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:03,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:03,508 INFO L82 PathProgramCache]: Analyzing trace with hash -813161529, now seen corresponding path program 1 times [2018-11-10 06:08:03,508 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:08:03,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:08:03,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:03,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:03,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:08:03,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:08:03,634 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 06:08:03,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:03,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:08:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:08:03,841 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 06:08:03,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-10 06:08:03,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 06:08:03,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 06:08:03,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:08:03,843 INFO L87 Difference]: Start difference. First operand 2796 states and 3650 transitions. Second operand 8 states. [2018-11-10 06:08:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:05,154 INFO L93 Difference]: Finished difference Result 6645 states and 9100 transitions. [2018-11-10 06:08:05,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-10 06:08:05,156 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 179 [2018-11-10 06:08:05,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:05,156 INFO L225 Difference]: With dead ends: 6645 [2018-11-10 06:08:05,156 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:08:05,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2018-11-10 06:08:05,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:08:05,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:08:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:08:05,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:08:05,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2018-11-10 06:08:05,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:05,170 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:08:05,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 06:08:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:08:05,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:08:05,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:08:05,711 WARN L179 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2018-11-10 06:08:05,908 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,909 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,910 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 06:08:05,911 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 06:08:05,912 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 06:08:05,923 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 06:08:05,923 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 06:08:05,923 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 06:08:05,923 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,923 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,923 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 06:08:05,924 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 06:08:05,925 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 06:08:05,926 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 06:08:05,927 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 06:08:05,928 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse10 (<= ~a21~0 |old(~a21~0)|)) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse12 (= ~a20~0 |old(~a20~0)|))) (let ((.cse2 (< 0 |old(~a21~0)|)) (.cse3 (and .cse14 .cse10 .cse11 .cse12)) (.cse9 (not (= ~a7~0 1))) (.cse0 (not (= 1 |old(~a20~0)|))) (.cse13 (= 1 ~a17~0)) (.cse4 (= 1 |old(~a7~0)|)) (.cse7 (not (= 1 |old(~a17~0)|))) (.cse6 (not (= ~a8~0 13))) (.cse5 (= 13 |old(~a8~0)|)) (.cse8 (= 6 |old(~a16~0)|)) (.cse16 (not (= 15 |old(~a8~0)|))) (.cse1 (not (= 8 ~a12~0))) (.cse15 (= 15 ~a8~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse8 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse7) (or .cse4 (and .cse9 .cse14 .cse10 .cse11 .cse15 .cse12) .cse16 .cse1) (or .cse8 .cse4 .cse1 (and .cse9 .cse14 .cse10 .cse11 .cse12)) (or (not (= 1 |old(~a21~0)|)) .cse0 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse11 (= 1 ~a21~0) .cse13) .cse1 (not .cse4) (not .cse5) .cse7) (or .cse8 (and .cse14 .cse10 .cse11 .cse12 .cse6) .cse5 .cse1) (or .cse8 .cse16 .cse1 .cse15)))) [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,929 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 06:08:05,930 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 06:08:05,931 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:08:05,932 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 06:08:05,937 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 06:08:05,938 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:08:05,938 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (= 15 ~a8~0) (= 1 ~a17~0)) [2018-11-10 06:08:05,938 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:08:05,938 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:08:05,938 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 8 ~a12~0)) (and (not (= ~a7~0 1)) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= 15 ~a8~0) (= ~a20~0 |old(~a20~0)|) (= 1 ~a17~0)) (not (= 1 |old(~a17~0)|))) [2018-11-10 06:08:05,938 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:08:05,938 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6))) (.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a20~0)) (.cse2 (= 1 ~a17~0))) (or (and .cse0 (= 15 ~a8~0)) (= 6 |old(~a16~0)|) (and .cse1 (= 4 ~a16~0) (= 1 ~a21~0) .cse2) (not (= 8 ~a12~0)) (and .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse4 (not (= ~a8~0 13))) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse3 .cse1) (and .cse0 .cse4) (and .cse0 .cse1 .cse2))) [2018-11-10 06:08:05,938 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 06:08:05,938 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 06:08:05,938 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 06:08:05,939 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6))) (.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a20~0)) (.cse2 (= 1 ~a17~0))) (or (and .cse0 (= 15 ~a8~0)) (= 6 |old(~a16~0)|) (and .cse1 (= 4 ~a16~0) (= 1 ~a21~0) .cse2) (not (= 8 ~a12~0)) (and .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse4 (not (= ~a8~0 13))) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse3 .cse1) (and .cse0 .cse4) (and .cse0 .cse1 .cse2))) [2018-11-10 06:08:05,939 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:08:05,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:08:05 BoogieIcfgContainer [2018-11-10 06:08:05,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:08:05,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:08:05,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:08:05,956 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:08:05,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:07:59" (3/4) ... [2018-11-10 06:08:05,962 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:08:05,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:08:05,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 06:08:05,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:08:05,979 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 06:08:05,980 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 06:08:06,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(a7 == 1) && 15 == a8) || 6 == \old(a16)) || (((1 == a20 && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a17))) || (!(a16 == 6) && !(a8 == 13))) || 1 == \old(a7)) || !(1 == \old(a20))) || !(15 == \old(a8))) || (a21 <= 0 && 1 == a20)) || (!(a7 == 1) && !(a16 == 6))) || ((!(a7 == 1) && 1 == a20) && 1 == a17) [2018-11-10 06:08:06,082 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_836be54b-b8b1-4f67-92a6-3534e2bc084c/bin-2019/uautomizer/witness.graphml [2018-11-10 06:08:06,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:08:06,083 INFO L168 Benchmark]: Toolchain (without parser) took 7810.01 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.4 MB). Free memory was 951.8 MB in the beginning and 1.3 GB in the end (delta: -345.4 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:08:06,083 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:08:06,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.59 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 916.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:08:06,084 INFO L168 Benchmark]: Boogie Preprocessor took 113.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 916.9 MB in the beginning and 1.2 GB in the end (delta: -242.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:08:06,084 INFO L168 Benchmark]: RCFGBuilder took 841.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:08:06,084 INFO L168 Benchmark]: TraceAbstraction took 6362.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 243.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -263.0 MB). Peak memory consumption was 377.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:08:06,087 INFO L168 Benchmark]: Witness Printer took 125.81 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:08:06,088 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.59 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 916.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 916.9 MB in the beginning and 1.2 GB in the end (delta: -242.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 841.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6362.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 243.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -263.0 MB). Peak memory consumption was 377.5 MB. Max. memory is 11.5 GB. * Witness Printer took 125.81 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: 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: ((((((((((((!(a7 == 1) && 15 == a8) || 6 == \old(a16)) || (((1 == a20 && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a17))) || (!(a16 == 6) && !(a8 == 13))) || 1 == \old(a7)) || !(1 == \old(a20))) || !(15 == \old(a8))) || (a21 <= 0 && 1 == a20)) || (!(a7 == 1) && !(a16 == 6))) || ((!(a7 == 1) && 1 == a20) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 625 SDtfs, 2568 SDslu, 560 SDs, 0 SdLazy, 4597 SolverSat, 992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 199 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2796occurred 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, 50 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 169 NumberOfFragments, 513 HoareAnnotationTreeSize, 85 FomulaSimplifications, 2134 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 901 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1089 NumberOfCodeBlocks, 1089 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1082 ConstructedInterpolants, 0 QuantifiedInterpolants, 752669 SizeOfPredicates, 2 NumberOfNonLiveVariables, 461 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 164/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...