./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/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 5f1f3e9c958502587d73771213325403adeeeeae ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:24:30,795 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:24:30,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:24:30,804 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:24:30,804 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:24:30,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:24:30,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:24:30,806 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:24:30,807 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:24:30,808 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:24:30,808 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:24:30,808 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:24:30,809 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:24:30,810 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:24:30,810 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:24:30,811 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:24:30,812 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:24:30,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:24:30,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:24:30,816 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:24:30,817 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:24:30,818 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:24:30,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:24:30,820 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:24:30,820 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:24:30,820 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:24:30,821 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:24:30,822 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:24:30,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:24:30,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:24:30,823 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:24:30,823 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:24:30,824 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:24:30,824 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:24:30,824 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:24:30,825 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:24:30,825 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 03:24:30,835 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:24:30,835 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:24:30,836 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:24:30,836 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:24:30,836 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:24:30,836 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:24:30,837 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:24:30,837 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:24:30,837 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:24:30,837 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:24:30,837 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:24:30,837 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:24:30,837 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:24:30,837 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:24:30,838 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:24:30,838 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:24:30,838 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:24:30,838 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:24:30,838 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:24:30,838 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:24:30,838 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:24:30,839 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:24:30,839 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:24:30,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:24:30,840 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:24:30,840 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:24:30,841 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:24:30,841 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:24:30,841 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:24:30,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:24:30,841 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_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/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 -> 5f1f3e9c958502587d73771213325403adeeeeae [2018-11-23 03:24:30,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:24:30,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:24:30,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:24:30,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:24:30,873 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:24:30,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-11-23 03:24:30,910 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/data/adafc43c0/372e77eebf3a4d689c4acbd43eb5f5f1/FLAGbbf394b89 [2018-11-23 03:24:31,252 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:24:31,253 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-11-23 03:24:31,263 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/data/adafc43c0/372e77eebf3a4d689c4acbd43eb5f5f1/FLAGbbf394b89 [2018-11-23 03:24:31,275 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/data/adafc43c0/372e77eebf3a4d689c4acbd43eb5f5f1 [2018-11-23 03:24:31,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:24:31,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:24:31,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:24:31,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:24:31,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:24:31,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31, skipping insertion in model container [2018-11-23 03:24:31,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:24:31,327 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:24:31,564 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:24:31,567 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:24:31,638 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:24:31,651 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:24:31,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31 WrapperNode [2018-11-23 03:24:31,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:24:31,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:24:31,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:24:31,652 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:24:31,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:24:31,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:24:31,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:24:31,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:24:31,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... [2018-11-23 03:24:31,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:24:31,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:24:31,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:24:31,775 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:24:31,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:24:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:24:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:24:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:24:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 03:24:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 03:24:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:24:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:24:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:24:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:24:32,733 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:24:32,733 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 03:24:32,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:32 BoogieIcfgContainer [2018-11-23 03:24:32,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:24:32,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:24:32,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:24:32,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:24:32,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:24:31" (1/3) ... [2018-11-23 03:24:32,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa3c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:32, skipping insertion in model container [2018-11-23 03:24:32,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:31" (2/3) ... [2018-11-23 03:24:32,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa3c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:32, skipping insertion in model container [2018-11-23 03:24:32,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:32" (3/3) ... [2018-11-23 03:24:32,739 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label59_true-unreach-call.c [2018-11-23 03:24:32,746 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:24:32,751 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:24:32,762 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:24:32,783 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:24:32,784 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:24:32,784 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:24:32,784 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:24:32,784 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:24:32,784 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:24:32,784 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:24:32,784 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:24:32,784 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:24:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 03:24:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 03:24:32,808 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:24:32,809 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] [2018-11-23 03:24:32,811 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:24:32,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:24:32,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1400340266, now seen corresponding path program 1 times [2018-11-23 03:24:32,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:24:32,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:24:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:32,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:24:33,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:24:33,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:24:33,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:24:33,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:24:33,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:24:33,073 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2018-11-23 03:24:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:24:33,944 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2018-11-23 03:24:33,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:24:33,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2018-11-23 03:24:33,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:24:33,958 INFO L225 Difference]: With dead ends: 733 [2018-11-23 03:24:33,958 INFO L226 Difference]: Without dead ends: 512 [2018-11-23 03:24:33,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:24:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-23 03:24:34,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 354. [2018-11-23 03:24:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 03:24:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 611 transitions. [2018-11-23 03:24:34,011 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 611 transitions. Word has length 71 [2018-11-23 03:24:34,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:24:34,011 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 611 transitions. [2018-11-23 03:24:34,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:24:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 611 transitions. [2018-11-23 03:24:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 03:24:34,017 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:24:34,017 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, 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] [2018-11-23 03:24:34,018 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:24:34,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:24:34,019 INFO L82 PathProgramCache]: Analyzing trace with hash 41629170, now seen corresponding path program 1 times [2018-11-23 03:24:34,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:24:34,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:24:34,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:34,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:34,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:24:34,218 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:24:34,218 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:24:34,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:34,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:24:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:24:34,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:24:34,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 03:24:34,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:24:34,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:24:34,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:24:34,345 INFO L87 Difference]: Start difference. First operand 354 states and 611 transitions. Second operand 8 states. [2018-11-23 03:24:35,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:24:35,624 INFO L93 Difference]: Finished difference Result 1618 states and 3131 transitions. [2018-11-23 03:24:35,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 03:24:35,624 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2018-11-23 03:24:35,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:24:35,640 INFO L225 Difference]: With dead ends: 1618 [2018-11-23 03:24:35,640 INFO L226 Difference]: Without dead ends: 1270 [2018-11-23 03:24:35,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2018-11-23 03:24:35,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2018-11-23 03:24:35,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1246. [2018-11-23 03:24:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2018-11-23 03:24:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1990 transitions. [2018-11-23 03:24:35,709 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1990 transitions. Word has length 141 [2018-11-23 03:24:35,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:24:35,709 INFO L480 AbstractCegarLoop]: Abstraction has 1246 states and 1990 transitions. [2018-11-23 03:24:35,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:24:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1990 transitions. [2018-11-23 03:24:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 03:24:35,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:24:35,716 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, 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] [2018-11-23 03:24:35,716 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:24:35,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:24:35,717 INFO L82 PathProgramCache]: Analyzing trace with hash -395920931, now seen corresponding path program 1 times [2018-11-23 03:24:35,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:24:35,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:24:35,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:35,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:35,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:24:35,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:24:35,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:24:35,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:24:35,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:24:35,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:24:35,866 INFO L87 Difference]: Start difference. First operand 1246 states and 1990 transitions. Second operand 6 states. [2018-11-23 03:24:36,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:24:36,627 INFO L93 Difference]: Finished difference Result 2745 states and 4531 transitions. [2018-11-23 03:24:36,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:24:36,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-11-23 03:24:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:24:36,635 INFO L225 Difference]: With dead ends: 2745 [2018-11-23 03:24:36,635 INFO L226 Difference]: Without dead ends: 1521 [2018-11-23 03:24:36,639 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 [2018-11-23 03:24:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2018-11-23 03:24:36,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1497. [2018-11-23 03:24:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2018-11-23 03:24:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2253 transitions. [2018-11-23 03:24:36,673 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2253 transitions. Word has length 152 [2018-11-23 03:24:36,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:24:36,674 INFO L480 AbstractCegarLoop]: Abstraction has 1497 states and 2253 transitions. [2018-11-23 03:24:36,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:24:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2253 transitions. [2018-11-23 03:24:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-23 03:24:36,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:24:36,678 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:24:36,678 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:24:36,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:24:36,678 INFO L82 PathProgramCache]: Analyzing trace with hash 421403873, now seen corresponding path program 1 times [2018-11-23 03:24:36,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:24:36,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:24:36,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:36,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:36,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:24:36,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:24:36,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:24:36,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:24:36,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:24:36,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:24:36,797 INFO L87 Difference]: Start difference. First operand 1497 states and 2253 transitions. Second operand 6 states. [2018-11-23 03:24:37,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:24:37,404 INFO L93 Difference]: Finished difference Result 3650 states and 5946 transitions. [2018-11-23 03:24:37,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:24:37,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 202 [2018-11-23 03:24:37,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:24:37,414 INFO L225 Difference]: With dead ends: 3650 [2018-11-23 03:24:37,414 INFO L226 Difference]: Without dead ends: 2159 [2018-11-23 03:24:37,419 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 [2018-11-23 03:24:37,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2018-11-23 03:24:37,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 2101. [2018-11-23 03:24:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2018-11-23 03:24:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 3171 transitions. [2018-11-23 03:24:37,466 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 3171 transitions. Word has length 202 [2018-11-23 03:24:37,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:24:37,466 INFO L480 AbstractCegarLoop]: Abstraction has 2101 states and 3171 transitions. [2018-11-23 03:24:37,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:24:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 3171 transitions. [2018-11-23 03:24:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-23 03:24:37,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:24:37,472 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:24:37,472 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:24:37,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:24:37,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1534813554, now seen corresponding path program 1 times [2018-11-23 03:24:37,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:24:37,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:24:37,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:37,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:37,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 128 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:24:37,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:24:37,563 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:24:37,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:37,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:24:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 03:24:37,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:24:37,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-23 03:24:37,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:24:37,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:24:37,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:24:37,712 INFO L87 Difference]: Start difference. First operand 2101 states and 3171 transitions. Second operand 9 states. [2018-11-23 03:24:39,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:24:39,700 INFO L93 Difference]: Finished difference Result 7255 states and 11793 transitions. [2018-11-23 03:24:39,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 03:24:39,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 221 [2018-11-23 03:24:39,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:24:39,718 INFO L225 Difference]: With dead ends: 7255 [2018-11-23 03:24:39,718 INFO L226 Difference]: Without dead ends: 5160 [2018-11-23 03:24:39,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2018-11-23 03:24:39,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2018-11-23 03:24:39,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5016. [2018-11-23 03:24:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5016 states. [2018-11-23 03:24:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5016 states to 5016 states and 6561 transitions. [2018-11-23 03:24:39,813 INFO L78 Accepts]: Start accepts. Automaton has 5016 states and 6561 transitions. Word has length 221 [2018-11-23 03:24:39,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:24:39,813 INFO L480 AbstractCegarLoop]: Abstraction has 5016 states and 6561 transitions. [2018-11-23 03:24:39,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:24:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 5016 states and 6561 transitions. [2018-11-23 03:24:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 03:24:39,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:24:39,821 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:24:39,821 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:24:39,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:24:39,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1716693714, now seen corresponding path program 1 times [2018-11-23 03:24:39,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:24:39,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:24:39,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:39,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:39,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:24:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:24:39,964 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:24:39,964 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:24:39,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:24:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:24:40,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:24:50,219 WARN L180 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2018-11-23 03:24:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 131 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:24:50,305 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:24:50,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2018-11-23 03:24:50,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 03:24:50,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 03:24:50,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:24:50,307 INFO L87 Difference]: Start difference. First operand 5016 states and 6561 transitions. Second operand 12 states. [2018-11-23 03:24:57,828 WARN L180 SmtUtils]: Spent 7.16 s on a formula simplification that was a NOOP. DAG size: 57 [2018-11-23 03:25:02,754 WARN L180 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 53 [2018-11-23 03:25:16,677 WARN L180 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2018-11-23 03:25:23,716 WARN L180 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 55 [2018-11-23 03:25:33,341 WARN L180 SmtUtils]: Spent 9.56 s on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2018-11-23 03:25:46,061 WARN L180 SmtUtils]: Spent 12.69 s on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2018-11-23 03:25:55,936 WARN L180 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-11-23 03:26:04,241 WARN L180 SmtUtils]: Spent 8.17 s on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2018-11-23 03:26:09,528 WARN L180 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 53 [2018-11-23 03:26:13,917 WARN L180 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 56 [2018-11-23 03:26:26,038 WARN L180 SmtUtils]: Spent 11.91 s on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-11-23 03:26:30,279 WARN L180 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 53 [2018-11-23 03:26:38,620 WARN L180 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-11-23 03:26:39,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:26:39,740 INFO L93 Difference]: Finished difference Result 11880 states and 16218 transitions. [2018-11-23 03:26:39,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-11-23 03:26:39,741 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 227 [2018-11-23 03:26:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:26:39,764 INFO L225 Difference]: With dead ends: 11880 [2018-11-23 03:26:39,764 INFO L226 Difference]: Without dead ends: 6870 [2018-11-23 03:26:39,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 109.0s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2018-11-23 03:26:39,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6870 states. [2018-11-23 03:26:39,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6870 to 6671. [2018-11-23 03:26:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6671 states. [2018-11-23 03:26:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6671 states to 6671 states and 8126 transitions. [2018-11-23 03:26:39,940 INFO L78 Accepts]: Start accepts. Automaton has 6671 states and 8126 transitions. Word has length 227 [2018-11-23 03:26:39,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:26:39,940 INFO L480 AbstractCegarLoop]: Abstraction has 6671 states and 8126 transitions. [2018-11-23 03:26:39,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 03:26:39,940 INFO L276 IsEmpty]: Start isEmpty. Operand 6671 states and 8126 transitions. [2018-11-23 03:26:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 03:26:39,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:26:39,950 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:26:39,950 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:26:39,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash 805990106, now seen corresponding path program 1 times [2018-11-23 03:26:39,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:26:39,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:26:39,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:39,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:39,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 129 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 03:26:40,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:26:40,125 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/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 [2018-11-23 03:26:40,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:40,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:26:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:26:40,261 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:26:40,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-23 03:26:40,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 03:26:40,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 03:26:40,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:26:40,262 INFO L87 Difference]: Start difference. First operand 6671 states and 8126 transitions. Second operand 11 states. [2018-11-23 03:26:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:26:41,511 INFO L93 Difference]: Finished difference Result 18790 states and 23356 transitions. [2018-11-23 03:26:41,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 03:26:41,512 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2018-11-23 03:26:41,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:26:41,523 INFO L225 Difference]: With dead ends: 18790 [2018-11-23 03:26:41,523 INFO L226 Difference]: Without dead ends: 4561 [2018-11-23 03:26:41,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 238 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2018-11-23 03:26:41,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4561 states. [2018-11-23 03:26:41,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4561 to 2970. [2018-11-23 03:26:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2018-11-23 03:26:41,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3330 transitions. [2018-11-23 03:26:41,610 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3330 transitions. Word has length 231 [2018-11-23 03:26:41,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:26:41,610 INFO L480 AbstractCegarLoop]: Abstraction has 2970 states and 3330 transitions. [2018-11-23 03:26:41,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 03:26:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3330 transitions. [2018-11-23 03:26:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 03:26:41,615 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:26:41,616 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:26:41,616 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:26:41,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:41,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1419996987, now seen corresponding path program 1 times [2018-11-23 03:26:41,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:26:41,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:26:41,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:41,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:41,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 128 proven. 82 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:26:41,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:26:41,746 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:26:41,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:41,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:26:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 03:26:41,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:26:41,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-23 03:26:41,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:26:41,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:26:41,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:26:41,909 INFO L87 Difference]: Start difference. First operand 2970 states and 3330 transitions. Second operand 6 states. [2018-11-23 03:26:42,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:26:42,401 INFO L93 Difference]: Finished difference Result 6101 states and 6847 transitions. [2018-11-23 03:26:42,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:26:42,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2018-11-23 03:26:42,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:26:42,406 INFO L225 Difference]: With dead ends: 6101 [2018-11-23 03:26:42,406 INFO L226 Difference]: Without dead ends: 3137 [2018-11-23 03:26:42,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:26:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3137 states. [2018-11-23 03:26:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3137 to 3125. [2018-11-23 03:26:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3125 states. [2018-11-23 03:26:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 3495 transitions. [2018-11-23 03:26:42,462 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 3495 transitions. Word has length 244 [2018-11-23 03:26:42,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:26:42,463 INFO L480 AbstractCegarLoop]: Abstraction has 3125 states and 3495 transitions. [2018-11-23 03:26:42,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:26:42,463 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 3495 transitions. [2018-11-23 03:26:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-11-23 03:26:42,470 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:26:42,471 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:26:42,471 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:26:42,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:42,471 INFO L82 PathProgramCache]: Analyzing trace with hash -807705670, now seen corresponding path program 1 times [2018-11-23 03:26:42,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:26:42,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:26:42,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:42,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:42,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 281 proven. 166 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:26:42,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:26:42,917 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:26:42,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:42,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:26:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-23 03:26:43,068 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:26:43,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-23 03:26:43,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:26:43,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:26:43,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-23 03:26:43,069 INFO L87 Difference]: Start difference. First operand 3125 states and 3495 transitions. Second operand 15 states. [2018-11-23 03:26:45,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:26:45,654 INFO L93 Difference]: Finished difference Result 6900 states and 7874 transitions. [2018-11-23 03:26:45,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-23 03:26:45,655 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 359 [2018-11-23 03:26:45,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:26:45,660 INFO L225 Difference]: With dead ends: 6900 [2018-11-23 03:26:45,660 INFO L226 Difference]: Without dead ends: 3924 [2018-11-23 03:26:45,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=421, Invalid=1835, Unknown=0, NotChecked=0, Total=2256 [2018-11-23 03:26:45,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3924 states. [2018-11-23 03:26:45,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 3554. [2018-11-23 03:26:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3554 states. [2018-11-23 03:26:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3554 states and 3904 transitions. [2018-11-23 03:26:45,739 INFO L78 Accepts]: Start accepts. Automaton has 3554 states and 3904 transitions. Word has length 359 [2018-11-23 03:26:45,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:26:45,740 INFO L480 AbstractCegarLoop]: Abstraction has 3554 states and 3904 transitions. [2018-11-23 03:26:45,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:26:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 3904 transitions. [2018-11-23 03:26:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-23 03:26:45,749 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:26:45,750 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:26:45,750 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:26:45,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:26:45,750 INFO L82 PathProgramCache]: Analyzing trace with hash 362141877, now seen corresponding path program 1 times [2018-11-23 03:26:45,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:26:45,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:26:45,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:45,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:45,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:26:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 253 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:26:46,426 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:26:46,426 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:26:46,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:26:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:26:46,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:26:52,145 WARN L180 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2018-11-23 03:26:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 166 proven. 204 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-23 03:26:52,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:26:52,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 27 [2018-11-23 03:26:52,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-23 03:26:52,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-23 03:26:52,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=625, Unknown=1, NotChecked=0, Total=702 [2018-11-23 03:26:52,481 INFO L87 Difference]: Start difference. First operand 3554 states and 3904 transitions. Second operand 27 states. [2018-11-23 03:26:55,244 WARN L180 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-11-23 03:26:56,339 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2018-11-23 03:27:12,615 WARN L180 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2018-11-23 03:27:15,076 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2018-11-23 03:27:18,490 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2018-11-23 03:27:23,942 WARN L180 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 129 DAG size of output: 102 [2018-11-23 03:27:25,176 WARN L180 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 87 DAG size of output: 40 [2018-11-23 03:27:28,300 WARN L180 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2018-11-23 03:27:31,158 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2018-11-23 03:27:55,796 WARN L180 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2018-11-23 03:28:28,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:28:28,697 INFO L93 Difference]: Finished difference Result 9545 states and 10666 transitions. [2018-11-23 03:28:28,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-11-23 03:28:28,698 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 400 [2018-11-23 03:28:28,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:28:28,706 INFO L225 Difference]: With dead ends: 9545 [2018-11-23 03:28:28,707 INFO L226 Difference]: Without dead ends: 6140 [2018-11-23 03:28:28,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 410 SyntacticMatches, 4 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5674 ImplicationChecksByTransitivity, 37.0s TimeCoverageRelationStatistics Valid=2387, Invalid=13605, Unknown=10, NotChecked=0, Total=16002 [2018-11-23 03:28:28,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6140 states. [2018-11-23 03:28:28,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6140 to 4692. [2018-11-23 03:28:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4692 states. [2018-11-23 03:28:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 5090 transitions. [2018-11-23 03:28:28,809 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 5090 transitions. Word has length 400 [2018-11-23 03:28:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:28:28,810 INFO L480 AbstractCegarLoop]: Abstraction has 4692 states and 5090 transitions. [2018-11-23 03:28:28,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-23 03:28:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 5090 transitions. [2018-11-23 03:28:28,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2018-11-23 03:28:28,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:28:28,826 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:28:28,826 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:28:28,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:28:28,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1404055622, now seen corresponding path program 1 times [2018-11-23 03:28:28,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:28:28,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:28:28,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:28:28,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:28:28,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:28:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:28:29,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1234 backedges. 466 proven. 688 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 03:28:29,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:28:29,767 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:28:29,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:28:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:28:29,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:28:35,738 WARN L180 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-11-23 03:28:38,637 WARN L180 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 20 [2018-11-23 03:28:41,310 WARN L180 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2018-11-23 03:28:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1234 backedges. 37 proven. 952 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-23 03:28:41,971 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:28:41,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 12] total 34 [2018-11-23 03:28:41,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 03:28:41,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 03:28:41,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1009, Unknown=1, NotChecked=0, Total=1122 [2018-11-23 03:28:41,973 INFO L87 Difference]: Start difference. First operand 4692 states and 5090 transitions. Second operand 34 states. [2018-11-23 03:28:44,654 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 123 DAG size of output: 94 [2018-11-23 03:28:51,186 WARN L180 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2018-11-23 03:28:52,888 WARN L180 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2018-11-23 03:28:54,464 WARN L180 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-11-23 03:28:56,190 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2018-11-23 03:28:59,393 WARN L180 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2018-11-23 03:29:08,133 WARN L180 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 121 DAG size of output: 92 [2018-11-23 03:29:20,035 WARN L180 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2018-11-23 03:29:22,558 WARN L180 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 110 DAG size of output: 55 [2018-11-23 03:29:28,761 WARN L180 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-11-23 03:29:30,971 WARN L180 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2018-11-23 03:29:32,469 WARN L180 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2018-11-23 03:29:34,328 WARN L180 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-11-23 03:29:39,442 WARN L180 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2018-11-23 03:29:41,959 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 96 [2018-11-23 03:29:45,000 WARN L180 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2018-11-23 03:29:49,135 WARN L180 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2018-11-23 03:29:50,817 WARN L180 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 42 DAG size of output: 17 [2018-11-23 03:29:53,030 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2018-11-23 03:29:57,027 WARN L180 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 109 DAG size of output: 40 [2018-11-23 03:29:58,845 WARN L180 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2018-11-23 03:30:03,513 WARN L180 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2018-11-23 03:30:05,344 WARN L180 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2018-11-23 03:30:08,235 WARN L180 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 70 DAG size of output: 32 [2018-11-23 03:30:10,491 WARN L180 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 122 DAG size of output: 96 [2018-11-23 03:30:18,722 WARN L180 SmtUtils]: Spent 8.00 s on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2018-11-23 03:30:39,480 WARN L180 SmtUtils]: Spent 14.12 s on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2018-11-23 03:30:44,117 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-23 03:30:49,989 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2018-11-23 03:30:53,331 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 44 DAG size of output: 19 [2018-11-23 03:30:55,957 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 41 [2018-11-23 03:31:06,267 WARN L180 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-11-23 03:31:22,440 WARN L180 SmtUtils]: Spent 14.24 s on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-11-23 03:31:26,382 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2018-11-23 03:31:44,869 WARN L180 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2018-11-23 03:31:46,724 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2018-11-23 03:31:52,765 WARN L180 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2018-11-23 03:31:59,575 WARN L180 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-11-23 03:32:02,806 WARN L180 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2018-11-23 03:32:23,059 WARN L180 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2018-11-23 03:32:24,945 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2018-11-23 03:32:27,622 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2018-11-23 03:32:41,185 WARN L180 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-11-23 03:33:25,496 WARN L180 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2018-11-23 03:33:34,400 WARN L180 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2018-11-23 03:33:36,322 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 87 DAG size of output: 42 [2018-11-23 03:33:38,244 WARN L180 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2018-11-23 03:33:40,206 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-11-23 03:33:59,408 WARN L180 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-11-23 03:34:14,741 WARN L180 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 79 DAG size of output: 41 [2018-11-23 03:34:31,534 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 59 DAG size of output: 22 [2018-11-23 03:34:53,392 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-23 03:35:34,005 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2018-11-23 03:36:15,441 WARN L180 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 96 DAG size of output: 51 [2018-11-23 03:36:23,010 WARN L180 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-11-23 03:36:53,722 WARN L180 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2018-11-23 03:37:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:37:28,201 INFO L93 Difference]: Finished difference Result 12436 states and 15635 transitions. [2018-11-23 03:37:28,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2018-11-23 03:37:28,201 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 607 [2018-11-23 03:37:28,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:37:28,221 INFO L225 Difference]: With dead ends: 12436 [2018-11-23 03:37:28,221 INFO L226 Difference]: Without dead ends: 7893 [2018-11-23 03:37:28,231 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 919 GetRequests, 621 SyntacticMatches, 1 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37524 ImplicationChecksByTransitivity, 197.6s TimeCoverageRelationStatistics Valid=9335, Invalid=79753, Unknown=14, NotChecked=0, Total=89102 [2018-11-23 03:37:28,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7893 states. [2018-11-23 03:37:28,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7893 to 6336. [2018-11-23 03:37:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6336 states. [2018-11-23 03:37:28,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 7147 transitions. [2018-11-23 03:37:28,403 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 7147 transitions. Word has length 607 [2018-11-23 03:37:28,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:37:28,403 INFO L480 AbstractCegarLoop]: Abstraction has 6336 states and 7147 transitions. [2018-11-23 03:37:28,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-23 03:37:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 7147 transitions. [2018-11-23 03:37:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2018-11-23 03:37:28,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:37:28,416 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:37:28,417 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:37:28,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:37:28,417 INFO L82 PathProgramCache]: Analyzing trace with hash 841946334, now seen corresponding path program 1 times [2018-11-23 03:37:28,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:37:28,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:37:28,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:37:28,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:37:28,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:37:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:37:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 867 proven. 881 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-23 03:37:29,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:37:29,771 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:37:29,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:37:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:37:29,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:37:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 850 proven. 431 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2018-11-23 03:37:31,461 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:37:31,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 15] total 38 [2018-11-23 03:37:31,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-11-23 03:37:31,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-11-23 03:37:31,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1191, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 03:37:31,463 INFO L87 Difference]: Start difference. First operand 6336 states and 7147 transitions. Second operand 38 states. [2018-11-23 03:37:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:37:43,791 INFO L93 Difference]: Finished difference Result 12884 states and 14860 transitions. [2018-11-23 03:37:43,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-11-23 03:37:43,792 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 758 [2018-11-23 03:37:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:37:43,793 INFO L225 Difference]: With dead ends: 12884 [2018-11-23 03:37:43,793 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:37:43,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1000 GetRequests, 810 SyntacticMatches, 4 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12868 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=5190, Invalid=29966, Unknown=0, NotChecked=0, Total=35156 [2018-11-23 03:37:43,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:37:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:37:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:37:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:37:43,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 758 [2018-11-23 03:37:43,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:37:43,813 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:37:43,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-11-23 03:37:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:37:43,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:37:43,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:37:44,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:44,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:44,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:44,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:44,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:45,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,352 WARN L180 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1000 [2018-11-23 03:37:47,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:47,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:48,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:49,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:37:49,899 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1161 DAG size of output: 1012 [2018-11-23 03:37:51,600 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 502 DAG size of output: 107 [2018-11-23 03:38:03,217 WARN L180 SmtUtils]: Spent 11.61 s on a formula simplification. DAG size of input: 986 DAG size of output: 97 [2018-11-23 03:38:18,149 WARN L180 SmtUtils]: Spent 14.93 s on a formula simplification. DAG size of input: 998 DAG size of output: 88 [2018-11-23 03:38:18,151 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:38:18,151 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 03:38:18,151 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:38:18,151 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 03:38:18,151 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,151 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,151 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,151 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 03:38:18,152 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,153 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,154 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 03:38:18,155 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 03:38:18,156 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 03:38:18,157 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,158 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,160 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,160 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 03:38:18,160 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,160 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,160 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 03:38:18,160 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 03:38:18,160 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,161 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 03:38:18,162 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse21 (= |old(~a19~0)| ~a19~0)) (.cse22 (<= ~a1~0 |old(~a1~0)|)) (.cse11 (= 9 ~a19~0)) (.cse12 (= ~a1~0 |old(~a1~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|)) (.cse23 (= |old(~a10~0)| ~a10~0)) (.cse24 (= 9 |old(~a19~0)|)) (.cse25 (= 2 |old(~a10~0)|)) (.cse20 (< 2 |old(~a10~0)|)) (.cse2 (= 8 |old(~a19~0)|)) (.cse17 (= 1 |old(~a10~0)|))) (let ((.cse10 (or .cse24 .cse25 .cse20 .cse2 .cse17)) (.cse7 (not .cse25)) (.cse8 (and .cse12 .cse14 .cse23)) (.cse18 (< (+ |old(~a1~0)| 600000) 0)) (.cse3 (and .cse23 .cse11 .cse12)) (.cse6 (not .cse24)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= 0 ~a12~0))) (.cse0 (and .cse21 .cse22 .cse23)) (.cse13 (= 0 |old(~a10~0)|)) (.cse16 (< |old(~a1~0)| 449589)) (.cse15 (<= 449589 ~a1~0)) (.cse1 (< 8 |old(~a19~0)|)) (.cse9 (<= (+ |old(~a1~0)| 13) 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse4 .cse5 .cse9 .cse10) (or (and (= ~a10~0 0) .cse11 .cse12) (< |old(~a1~0)| 23) .cse4 .cse5 .cse6 (not .cse13)) (or (< (+ |old(~a1~0)| 599502) 0) (and (= ~a10~0 |old(~a10~0)|) .cse14 .cse12) .cse4 .cse5 (< 0 (+ |old(~a1~0)| 299778)) .cse10) (or .cse15 .cse1 .cse16 .cse7) (or (not .cse17) .cse18 .cse2 .cse4 .cse5 (and (= 1 ~a10~0) .cse14 .cse12)) (or .cse4 (forall ((v_prenex_26 Int)) (let ((.cse19 (mod v_prenex_26 299993))) (or (< (+ |old(~a1~0)| 600000) .cse19) (= 0 .cse19) (<= 0 v_prenex_26) (< |old(~a1~0)| v_prenex_26)))) .cse5 .cse6 .cse8 (not (= 3 |old(~a10~0)|))) (or .cse18 .cse3 .cse6 (or .cse4 .cse5 (< |old(~a10~0)| 4))) (or (< |old(~a10~0)| 2) .cse1 .cse0) (or .cse1 .cse13 .cse16 .cse20 .cse2 .cse15) (or (and .cse21 .cse22 (< 0 (+ ~a1~0 13)) .cse23) .cse1 .cse9)))) [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,163 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,164 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 03:38:18,165 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 03:38:18,166 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a10~0 0) (= ~a12~0 0) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-23 03:38:18,167 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0))) [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse3 (not (= ~a10~0 2))) (.cse0 (not (= ~a19~0 8))) (.cse4 (<= ~a10~0 2))) (let ((.cse5 (<= 0 (+ ~a1~0 600000))) (.cse2 (= 9 ~a19~0)) (.cse7 (and .cse3 .cse0 .cse4 (not (= ~a19~0 9)) (not (= ~a10~0 1)))) (.cse1 (= 8 ~a19~0)) (.cse8 (< 0 (+ ~a1~0 13)))) (or (< |old(~a1~0)| 23) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= ~a19~0 8)) (not (= 14 ~a4~0)) (and .cse1 (<= 2 ~a10~0)) (and (= 2 ~a10~0) .cse2) (and (and .cse3 .cse0 .cse4 (<= |old(~a10~0)| ~a10~0) (not (= ~a10~0 0))) .cse5) (and (<= 23 ~a1~0) (= 0 ~a10~0)) (not (= 0 ~a12~0)) (and (= 3 ~a10~0) (exists ((v_prenex_26 Int)) (let ((.cse6 (mod v_prenex_26 299993))) (and (< v_prenex_26 0) (not (= 0 .cse6)) (<= (+ v_prenex_26 599258) 0) (<= .cse6 (+ ~a1~0 600000))))) .cse2 (or (= 3 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 6 main_~input~0) (= 2 main_~input~0))) (< 23 |old(~a1~0)|) (and .cse7 .cse8) (and .cse5 (and (<= 4 ~a10~0) .cse2)) (and (<= 0 (+ ~a1~0 599502)) (<= (+ ~a1~0 299778) 0) .cse7) (not (= 9 |old(~a19~0)|)) (and .cse1 .cse8)))) [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 03:38:18,167 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse4 (not (= ~a10~0 2))) (.cse0 (not (= ~a19~0 8))) (.cse5 (<= ~a10~0 2))) (let ((.cse6 (<= 0 (+ ~a1~0 600000))) (.cse3 (= 9 ~a19~0)) (.cse7 (and .cse4 .cse0 .cse5 (not (= ~a19~0 9)) (not (= ~a10~0 1)))) (.cse1 (= 8 ~a19~0)) (.cse8 (< 0 (+ ~a1~0 13)))) (or (< |old(~a1~0)| 23) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= ~a19~0 8)) (not (= 14 ~a4~0)) (and .cse1 (<= 2 ~a10~0)) (and (= 3 ~a10~0) (exists ((v_prenex_26 Int)) (let ((.cse2 (mod v_prenex_26 299993))) (and (< v_prenex_26 0) (not (= 0 .cse2)) (<= (+ v_prenex_26 599258) 0) (<= .cse2 (+ ~a1~0 600000))))) .cse3) (and (= 2 ~a10~0) .cse3) (and (and .cse4 .cse0 .cse5 (<= |old(~a10~0)| ~a10~0) (not (= ~a10~0 0))) .cse6) (and (<= 23 ~a1~0) (= 0 ~a10~0)) (not (= 0 ~a12~0)) (< 23 |old(~a1~0)|) (and .cse7 .cse8) (and .cse6 (and (<= 4 ~a10~0) .cse3)) (and (<= 0 (+ ~a1~0 599502)) (<= (+ ~a1~0 299778) 0) .cse7) (not (= 9 |old(~a19~0)|)) (and .cse1 .cse8)))) [2018-11-23 03:38:18,167 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 03:38:18,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:38:18 BoogieIcfgContainer [2018-11-23 03:38:18,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:38:18,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:38:18,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:38:18,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:38:18,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:32" (3/4) ... [2018-11-23 03:38:18,194 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:38:18,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:38:18,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 03:38:18,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:38:18,213 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 03:38:18,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:38:18,240 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\old(a1) < 23 || !(0 == \old(a10))) || (!(a19 == 8) && a19 <= 8)) || !(14 == a4)) || (8 == a19 && 2 <= a10)) || ((3 == a10 && (\exists v_prenex_26 : int :: ((v_prenex_26 < 0 && !(0 == v_prenex_26 % 299993)) && v_prenex_26 + 599258 <= 0) && v_prenex_26 % 299993 <= a1 + 600000)) && 9 == a19)) || (2 == a10 && 9 == a19)) || (((((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && \old(a10) <= a10) && !(a10 == 0)) && 0 <= a1 + 600000)) || (23 <= a1 && 0 == a10)) || !(0 == a12)) || 23 < \old(a1)) || (((((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && !(a19 == 9)) && !(a10 == 1)) && 0 < a1 + 13)) || (0 <= a1 + 600000 && 4 <= a10 && 9 == a19)) || ((0 <= a1 + 599502 && a1 + 299778 <= 0) && (((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && !(a19 == 9)) && !(a10 == 1))) || !(9 == \old(a19))) || (8 == a19 && 0 < a1 + 13) [2018-11-23 03:38:18,300 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_194573c1-6c5a-4b13-b66f-fa3fdc670a4d/bin-2019/uautomizer/witness.graphml [2018-11-23 03:38:18,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:38:18,301 INFO L168 Benchmark]: Toolchain (without parser) took 827023.38 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 881.3 MB). Free memory was 953.9 MB in the beginning and 889.8 MB in the end (delta: 64.1 MB). Peak memory consumption was 945.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:38:18,302 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:38:18,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.19 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:38:18,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -233.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:38:18,302 INFO L168 Benchmark]: Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:38:18,302 INFO L168 Benchmark]: RCFGBuilder took 958.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:38:18,303 INFO L168 Benchmark]: TraceAbstraction took 825455.39 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 727.2 MB). Free memory was 1.0 GB in the beginning and 909.4 MB in the end (delta: 133.3 MB). Peak memory consumption was 998.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:38:18,303 INFO L168 Benchmark]: Witness Printer took 110.30 ms. Allocated memory is still 1.9 GB. Free memory was 909.4 MB in the beginning and 889.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:38:18,305 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.19 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -233.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 958.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 825455.39 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 727.2 MB). Free memory was 1.0 GB in the beginning and 909.4 MB in the end (delta: 133.3 MB). Peak memory consumption was 998.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.30 ms. Allocated memory is still 1.9 GB. Free memory was 909.4 MB in the beginning and 889.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: 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: 582]: Loop Invariant [2018-11-23 03:38:18,308 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,308 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,308 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,308 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,309 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,309 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,309 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-23 03:38:18,310 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] Derived loop invariant: ((((((((((((((\old(a1) < 23 || !(0 == \old(a10))) || (!(a19 == 8) && a19 <= 8)) || !(14 == a4)) || (8 == a19 && 2 <= a10)) || ((3 == a10 && (\exists v_prenex_26 : int :: ((v_prenex_26 < 0 && !(0 == v_prenex_26 % 299993)) && v_prenex_26 + 599258 <= 0) && v_prenex_26 % 299993 <= a1 + 600000)) && 9 == a19)) || (2 == a10 && 9 == a19)) || (((((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && \old(a10) <= a10) && !(a10 == 0)) && 0 <= a1 + 600000)) || (23 <= a1 && 0 == a10)) || !(0 == a12)) || 23 < \old(a1)) || (((((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && !(a19 == 9)) && !(a10 == 1)) && 0 < a1 + 13)) || (0 <= a1 + 600000 && 4 <= a10 && 9 == a19)) || ((0 <= a1 + 599502 && a1 + 299778 <= 0) && (((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && !(a19 == 9)) && !(a10 == 1))) || !(9 == \old(a19))) || (8 == a19 && 0 < a1 + 13) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 825.3s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 754.3s AutomataDifference, 0.0s DeadEndRemovalTime, 34.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1071 SDtfs, 38712 SDslu, 4705 SDs, 0 SdLazy, 79007 SolverSat, 13178 SolverUnsat, 286 SolverUnknown, 0 SolverNotchecked, 422.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4164 GetRequests, 3355 SyntacticMatches, 21 SemanticMatches, 788 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57845 ImplicationChecksByTransitivity, 352.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6671occurred in iteration=6, 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: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 5585 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 449 PreInvPairs, 796 NumberOfFragments, 823 HoareAnnotationTreeSize, 449 FomulaSimplifications, 2850721 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2224349 FormulaSimplificationTreeSizeReductionInter, 28.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 32.7s InterpolantComputationTime, 6801 NumberOfCodeBlocks, 6801 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 6780 ConstructedInterpolants, 154 QuantifiedInterpolants, 31089386 SizeOfPredicates, 21 NumberOfNonLiveVariables, 4997 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 21 InterpolantComputations, 6 PerfectInterpolantSequences, 6124/9962 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...