./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_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_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:35:17,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:35:17,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:35:17,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:35:17,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:35:17,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:35:17,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:35:17,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:35:17,856 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:35:17,857 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:35:17,857 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:35:17,857 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:35:17,858 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:35:17,858 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:35:17,859 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:35:17,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:35:17,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:35:17,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:35:17,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:35:17,862 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:35:17,863 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:35:17,863 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:35:17,865 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:35:17,865 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:35:17,865 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:35:17,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:35:17,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:35:17,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:35:17,867 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:35:17,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:35:17,868 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:35:17,868 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:35:17,868 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:35:17,868 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:35:17,869 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:35:17,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:35:17,869 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 06:35:17,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:35:17,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:35:17,877 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:35:17,877 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:35:17,877 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:35:17,877 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:35:17,877 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 06:35:17,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:35:17,878 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:35:17,878 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:35:17,879 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:35:17,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:35:17,879 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_20adaea9-1702-4cda-bad4-199941c71973/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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-12-09 06:35:17,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:35:17,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:35:17,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:35:17,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:35:17,906 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:35:17,906 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-12-09 06:35:17,940 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/data/ffcd63fc2/008deb9ef52a4a85ba3d1d61932f844b/FLAG497b0f6a6 [2018-12-09 06:35:18,334 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:35:18,335 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-12-09 06:35:18,342 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/data/ffcd63fc2/008deb9ef52a4a85ba3d1d61932f844b/FLAG497b0f6a6 [2018-12-09 06:35:18,684 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/data/ffcd63fc2/008deb9ef52a4a85ba3d1d61932f844b [2018-12-09 06:35:18,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:35:18,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:35:18,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:35:18,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:35:18,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:35:18,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:35:18" (1/1) ... [2018-12-09 06:35:18,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:18, skipping insertion in model container [2018-12-09 06:35:18,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:35:18" (1/1) ... [2018-12-09 06:35:18,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:35:18,737 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:35:18,942 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:35:18,945 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:35:18,992 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:35:19,045 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:35:19,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19 WrapperNode [2018-12-09 06:35:19,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:35:19,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:35:19,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:35:19,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:35:19,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:35:19,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:35:19,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:35:19,069 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:35:19,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... [2018-12-09 06:35:19,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:35:19,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:35:19,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:35:19,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:35:19,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/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 06:35:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:35:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:35:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 06:35:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 06:35:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:35:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:35:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:35:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:35:19,742 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:35:19,742 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 06:35:19,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:35:19 BoogieIcfgContainer [2018-12-09 06:35:19,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:35:19,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:35:19,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:35:19,746 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:35:19,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:35:18" (1/3) ... [2018-12-09 06:35:19,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303d6224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:35:19, skipping insertion in model container [2018-12-09 06:35:19,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:19" (2/3) ... [2018-12-09 06:35:19,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303d6224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:35:19, skipping insertion in model container [2018-12-09 06:35:19,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:35:19" (3/3) ... [2018-12-09 06:35:19,748 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-12-09 06:35:19,756 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:35:19,762 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 06:35:19,773 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 06:35:19,798 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:35:19,798 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:35:19,798 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:35:19,798 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:35:19,799 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:35:19,799 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:35:19,799 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:35:19,799 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:35:19,799 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:35:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 06:35:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 06:35:19,823 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:19,824 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, 1, 1, 1, 1] [2018-12-09 06:35:19,825 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:19,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:19,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2018-12-09 06:35:19,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:19,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:19,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:19,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:19,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:20,105 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 06:35:20,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:20,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:35:20,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:35:20,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:35:20,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:20,119 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 06:35:20,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:20,503 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 06:35:20,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:35:20,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-12-09 06:35:20,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:20,514 INFO L225 Difference]: With dead ends: 547 [2018-12-09 06:35:20,514 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 06:35:20,518 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 06:35:20,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 06:35:20,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 06:35:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 06:35:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-09 06:35:20,559 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 100 [2018-12-09 06:35:20,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:20,560 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-09 06:35:20,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:35:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-09 06:35:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-09 06:35:20,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:20,563 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, 1, 1, 1, 1] [2018-12-09 06:35:20,564 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:20,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:20,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2018-12-09 06:35:20,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:20,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:20,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:20,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:20,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:20,643 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 06:35:20,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:20,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:35:20,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:35:20,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:35:20,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:35:20,646 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-09 06:35:21,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:21,057 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-09 06:35:21,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:35:21,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-12-09 06:35:21,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:21,060 INFO L225 Difference]: With dead ends: 703 [2018-12-09 06:35:21,060 INFO L226 Difference]: Without dead ends: 431 [2018-12-09 06:35:21,061 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 06:35:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-09 06:35:21,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-09 06:35:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-09 06:35:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-09 06:35:21,080 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 110 [2018-12-09 06:35:21,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:21,080 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-09 06:35:21,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:35:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-09 06:35:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 06:35:21,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:21,083 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, 1, 1, 1, 1] [2018-12-09 06:35:21,083 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:21,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:21,083 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2018-12-09 06:35:21,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:21,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:21,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:21,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:21,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:21,159 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 06:35:21,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:21,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:35:21,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:35:21,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:35:21,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:21,160 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-09 06:35:21,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:21,425 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-09 06:35:21,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:35:21,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-12-09 06:35:21,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:21,430 INFO L225 Difference]: With dead ends: 1241 [2018-12-09 06:35:21,430 INFO L226 Difference]: Without dead ends: 828 [2018-12-09 06:35:21,431 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 06:35:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-09 06:35:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-09 06:35:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-09 06:35:21,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-12-09 06:35:21,456 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 111 [2018-12-09 06:35:21,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:21,457 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-12-09 06:35:21,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:35:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-12-09 06:35:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 06:35:21,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:21,460 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:35:21,461 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:21,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:21,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2018-12-09 06:35:21,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:21,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:21,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:21,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:21,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:21,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:21,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:35:21,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:35:21,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:35:21,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:35:21,525 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-12-09 06:35:21,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:21,896 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-12-09 06:35:21,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:35:21,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-12-09 06:35:21,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:21,904 INFO L225 Difference]: With dead ends: 2250 [2018-12-09 06:35:21,905 INFO L226 Difference]: Without dead ends: 1428 [2018-12-09 06:35:21,907 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 06:35:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-12-09 06:35:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-12-09 06:35:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-12-09 06:35:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1852 transitions. [2018-12-09 06:35:21,948 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1852 transitions. Word has length 125 [2018-12-09 06:35:21,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:21,949 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1852 transitions. [2018-12-09 06:35:21,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:35:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1852 transitions. [2018-12-09 06:35:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 06:35:21,953 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:21,953 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, 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] [2018-12-09 06:35:21,953 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:21,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:21,953 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2018-12-09 06:35:21,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:21,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:21,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:21,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:21,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:22,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:35:22,021 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/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 06:35:22,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:22,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:22,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 06:35:22,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-09 06:35:22,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:35:22,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:35:22,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:35:22,164 INFO L87 Difference]: Start difference. First operand 1400 states and 1852 transitions. Second operand 7 states. [2018-12-09 06:35:22,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:22,670 INFO L93 Difference]: Finished difference Result 3245 states and 4457 transitions. [2018-12-09 06:35:22,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:35:22,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2018-12-09 06:35:22,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:22,676 INFO L225 Difference]: With dead ends: 3245 [2018-12-09 06:35:22,677 INFO L226 Difference]: Without dead ends: 1851 [2018-12-09 06:35:22,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 06:35:22,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2018-12-09 06:35:22,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1541. [2018-12-09 06:35:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2018-12-09 06:35:22,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2040 transitions. [2018-12-09 06:35:22,717 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2040 transitions. Word has length 142 [2018-12-09 06:35:22,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:22,717 INFO L480 AbstractCegarLoop]: Abstraction has 1541 states and 2040 transitions. [2018-12-09 06:35:22,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:35:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2040 transitions. [2018-12-09 06:35:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 06:35:22,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:22,720 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, 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] [2018-12-09 06:35:22,720 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:22,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:22,720 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2018-12-09 06:35:22,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:22,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:22,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:22,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:22,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:22,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:35:22,808 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:35:22,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:22,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:35:22,932 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 06:35:22,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-09 06:35:22,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:35:22,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:35:22,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:35:22,934 INFO L87 Difference]: Start difference. First operand 1541 states and 2040 transitions. Second operand 8 states. [2018-12-09 06:35:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:23,931 INFO L93 Difference]: Finished difference Result 3718 states and 5160 transitions. [2018-12-09 06:35:23,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 06:35:23,932 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2018-12-09 06:35:23,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:23,942 INFO L225 Difference]: With dead ends: 3718 [2018-12-09 06:35:23,942 INFO L226 Difference]: Without dead ends: 2183 [2018-12-09 06:35:23,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-12-09 06:35:23,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2018-12-09 06:35:24,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 1712. [2018-12-09 06:35:24,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2018-12-09 06:35:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2018-12-09 06:35:24,012 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 146 [2018-12-09 06:35:24,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:24,012 INFO L480 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2018-12-09 06:35:24,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:35:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2018-12-09 06:35:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 06:35:24,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:24,016 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:24,017 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:24,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:24,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2018-12-09 06:35:24,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:24,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:24,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:24,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:24,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:24,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:35:24,078 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:35:24,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:24,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 06:35:24,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 06:35:24,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-09 06:35:24,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:35:24,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:35:24,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:35:24,183 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 8 states. [2018-12-09 06:35:25,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:25,070 INFO L93 Difference]: Finished difference Result 5639 states and 7681 transitions. [2018-12-09 06:35:25,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-09 06:35:25,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-12-09 06:35:25,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:25,086 INFO L225 Difference]: With dead ends: 5639 [2018-12-09 06:35:25,086 INFO L226 Difference]: Without dead ends: 3933 [2018-12-09 06:35:25,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2018-12-09 06:35:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2018-12-09 06:35:25,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3432. [2018-12-09 06:35:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3432 states. [2018-12-09 06:35:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 4323 transitions. [2018-12-09 06:35:25,164 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 4323 transitions. Word has length 166 [2018-12-09 06:35:25,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:25,165 INFO L480 AbstractCegarLoop]: Abstraction has 3432 states and 4323 transitions. [2018-12-09 06:35:25,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:35:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 4323 transitions. [2018-12-09 06:35:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 06:35:25,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:25,170 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:25,170 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:25,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:25,171 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2018-12-09 06:35:25,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:35:25,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:35:25,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:25,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:25,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:35:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 06:35:25,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:35:25,241 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:35:25,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:25,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 06:35:25,366 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 06:35:25,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-09 06:35:25,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:35:25,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:35:25,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:35:25,367 INFO L87 Difference]: Start difference. First operand 3432 states and 4323 transitions. Second operand 8 states. [2018-12-09 06:35:26,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:26,702 INFO L93 Difference]: Finished difference Result 7100 states and 9084 transitions. [2018-12-09 06:35:26,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 06:35:26,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2018-12-09 06:35:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:26,703 INFO L225 Difference]: With dead ends: 7100 [2018-12-09 06:35:26,703 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 06:35:26,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-12-09 06:35:26,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 06:35:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 06:35:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 06:35:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 06:35:26,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-12-09 06:35:26,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:26,715 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:35:26,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:35:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:35:26,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 06:35:26,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 06:35:26,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:26,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:26,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:26,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:26,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:26,933 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 161 [2018-12-09 06:35:26,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:26,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:26,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:27,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:27,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:35:27,539 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 62 [2018-12-09 06:35:27,957 WARN L180 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 61 [2018-12-09 06:35:28,338 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 61 [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,340 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 06:35:28,341 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 06:35:28,342 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,343 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 06:35:28,344 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 06:35:28,345 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse18 (< 0 |old(~a21~0)|)) (.cse12 (= |old(~a16~0)| ~a16~0)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= |old(~a8~0)| ~a8~0)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse15 (= 6 |old(~a16~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse17 (not (= 1 |old(~a20~0)|)))) (let ((.cse0 (or .cse4 (= 4 |old(~a16~0)|) .cse17)) (.cse5 (= 13 |old(~a8~0)|)) (.cse8 (not (= 1 |old(~a7~0)|))) (.cse7 (or .cse15 .cse4 .cse17)) (.cse6 (not (= 1 |old(~a17~0)|))) (.cse1 (< 0 |old(~a7~0)|)) (.cse3 (and .cse12 .cse10 .cse11 .cse16 (= 1 ~a21~0) .cse13)) (.cse9 (or .cse15 .cse18)) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse2 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse5 .cse1 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 1 ~a17~0)) .cse6) (or .cse0 .cse3 .cse1 .cse6) (or .cse15 .cse4 .cse3 .cse5 .cse8 .cse2) (or .cse3 .cse7 .cse1 .cse6) (or (or .cse15 .cse4 .cse1) .cse2 .cse3) (or .cse9 .cse2 (and .cse10 .cse11 .cse16 .cse12 .cse13 .cse14)) (or .cse17 (and .cse12 .cse14 .cse10 .cse11 .cse16 .cse13) .cse2 .cse18)))) [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,346 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,347 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 06:35:28,348 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 06:35:28,349 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13)) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-12-09 06:35:28,350 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:35:28,350 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= |old(~a16~0)| ~a16~0) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-12-09 06:35:28,350 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 06:35:28,351 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse10 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (let ((.cse8 (and .cse10 .cse3 (not (= ~a16~0 4)))) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse6 (and .cse10 .cse2 .cse3)) (.cse7 (= 1 ~a17~0)) (.cse0 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (and (and .cse2 .cse3 .cse5) .cse1) (and .cse6 .cse5 .cse7) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (and (and .cse8 .cse7) .cse5) (and .cse9 .cse2 .cse7) (= 6 |old(~a16~0)|) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse8 .cse5) .cse1) (and (and .cse3 .cse4 .cse5) .cse1) (= 13 |old(~a8~0)|) (and .cse9 .cse2 .cse1) (and (and .cse6 .cse7) .cse0) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse9 .cse10 .cse1)))) [2018-12-09 06:35:28,351 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 06:35:28,351 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 06:35:28,351 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse10 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (let ((.cse8 (and .cse10 .cse3 (not (= ~a16~0 4)))) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse6 (and .cse10 .cse2 .cse3)) (.cse7 (= 1 ~a17~0)) (.cse0 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (and (and .cse2 .cse3 .cse5) .cse1) (and .cse6 .cse5 .cse7) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (and (and .cse8 .cse7) .cse5) (and .cse9 .cse2 .cse7) (= 6 |old(~a16~0)|) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse8 .cse5) .cse1) (and (and .cse3 .cse4 .cse5) .cse1) (= 13 |old(~a8~0)|) (and .cse9 .cse2 .cse1) (and (and .cse6 .cse7) .cse0) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse9 .cse10 .cse1)))) [2018-12-09 06:35:28,351 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 06:35:28,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:35:28 BoogieIcfgContainer [2018-12-09 06:35:28,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:35:28,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:35:28,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:35:28,362 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:35:28,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:35:19" (3/4) ... [2018-12-09 06:35:28,366 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 06:35:28,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 06:35:28,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 06:35:28,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 06:35:28,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 06:35:28,382 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 06:35:28,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a7 <= 0) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && a7 <= 0) && 1 == a17)) || !(1 == \old(a20))) || 0 < \old(a7)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && 1 == a17) && a7 <= 0)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || 6 == \old(a16)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && a7 <= 0) && a17 <= 0)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17) && 1 == a7)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) [2018-12-09 06:35:28,478 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_20adaea9-1702-4cda-bad4-199941c71973/bin-2019/uautomizer/witness.graphml [2018-12-09 06:35:28,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:35:28,479 INFO L168 Benchmark]: Toolchain (without parser) took 9793.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.1 MB). Free memory was 944.2 MB in the beginning and 776.4 MB in the end (delta: 167.8 MB). Peak memory consumption was 492.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:28,480 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 06:35:28,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:28,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:28,480 INFO L168 Benchmark]: Boogie Preprocessor took 49.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:28,480 INFO L168 Benchmark]: RCFGBuilder took 623.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.3 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:28,480 INFO L168 Benchmark]: TraceAbstraction took 8618.52 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 253.2 MB). Free memory was 954.3 MB in the beginning and 798.9 MB in the end (delta: 155.3 MB). Peak memory consumption was 509.6 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:28,481 INFO L168 Benchmark]: Witness Printer took 116.70 ms. Allocated memory is still 1.4 GB. Free memory was 798.9 MB in the beginning and 776.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:28,482 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 357.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 623.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.3 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8618.52 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 253.2 MB). Free memory was 954.3 MB in the beginning and 798.9 MB in the end (delta: 155.3 MB). Peak memory consumption was 509.6 MB. Max. memory is 11.5 GB. * Witness Printer took 116.70 ms. Allocated memory is still 1.4 GB. Free memory was 798.9 MB in the beginning and 776.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a7 <= 0) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && a7 <= 0) && 1 == a17)) || !(1 == \old(a20))) || 0 < \old(a7)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && 1 == a17) && a7 <= 0)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || 6 == \old(a16)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && a7 <= 0) && a17 <= 0)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17) && 1 == a7)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 4197 SDslu, 487 SDs, 0 SdLazy, 7371 SolverSat, 1511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 788 GetRequests, 695 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3432occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1322 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 174 NumberOfFragments, 883 HoareAnnotationTreeSize, 108 FomulaSimplifications, 30100 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19443 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1762 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1750 ConstructedInterpolants, 0 QuantifiedInterpolants, 668592 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1903 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 556/727 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...