./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:22:41,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:22:41,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:22:41,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:22:41,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:22:41,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:22:41,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:22:41,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:22:41,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:22:41,746 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:22:41,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:22:41,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:22:41,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:22:41,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:22:41,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:22:41,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:22:41,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:22:41,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:22:41,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:22:41,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:22:41,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:22:41,754 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:22:41,756 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:22:41,756 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:22:41,756 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:22:41,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:22:41,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:22:41,757 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:22:41,758 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:22:41,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:22:41,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:22:41,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:22:41,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:22:41,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:22:41,759 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:22:41,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:22:41,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:22:41,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:22:41,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:22:41,771 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:22:41,771 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:22:41,771 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:22:41,771 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:22:41,771 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:22:41,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:22:41,772 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:22:41,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:22:41,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:22:41,772 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:22:41,772 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:22:41,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:22:41,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:22:41,773 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:22:41,773 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:22:41,773 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:22:41,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:22:41,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:22:41,774 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:22:41,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:22:41,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:22:41,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:22:41,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:22:41,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:22:41,775 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:22:41,775 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:22:41,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:22:41,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:22:41,775 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_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2018-11-28 13:22:41,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:22:41,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:22:41,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:22:41,812 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:22:41,812 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:22:41,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-11-28 13:22:41,862 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/data/bd16f02ae/c850eca28a304192af9c13cdf0618b00/FLAG8fb8cd349 [2018-11-28 13:22:42,251 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:22:42,251 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-11-28 13:22:42,261 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/data/bd16f02ae/c850eca28a304192af9c13cdf0618b00/FLAG8fb8cd349 [2018-11-28 13:22:42,273 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/data/bd16f02ae/c850eca28a304192af9c13cdf0618b00 [2018-11-28 13:22:42,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:22:42,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:22:42,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:22:42,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:22:42,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:22:42,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3375cb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42, skipping insertion in model container [2018-11-28 13:22:42,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:22:42,317 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:22:42,568 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:22:42,572 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:22:42,706 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:22:42,719 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:22:42,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42 WrapperNode [2018-11-28 13:22:42,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:22:42,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:22:42,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:22:42,720 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:22:42,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:22:42,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:22:42,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:22:42,749 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:22:42,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... [2018-11-28 13:22:42,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:22:42,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:22:42,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:22:42,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:22:42,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:22:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:22:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:22:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 13:22:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 13:22:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:22:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:22:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:22:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:22:43,775 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:22:43,776 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:22:43,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:22:43 BoogieIcfgContainer [2018-11-28 13:22:43,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:22:43,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:22:43,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:22:43,779 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:22:43,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:22:42" (1/3) ... [2018-11-28 13:22:43,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2194ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:22:43, skipping insertion in model container [2018-11-28 13:22:43,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:22:42" (2/3) ... [2018-11-28 13:22:43,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2194ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:22:43, skipping insertion in model container [2018-11-28 13:22:43,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:22:43" (3/3) ... [2018-11-28 13:22:43,782 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17_true-unreach-call_false-termination.c [2018-11-28 13:22:43,788 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:22:43,794 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:22:43,804 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:22:43,827 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:22:43,828 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:22:43,828 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:22:43,828 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:22:43,828 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:22:43,828 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:22:43,828 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:22:43,828 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:22:43,829 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:22:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-28 13:22:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 13:22:43,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:43,854 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] [2018-11-28 13:22:43,855 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:43,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:43,859 INFO L82 PathProgramCache]: Analyzing trace with hash -950257557, now seen corresponding path program 1 times [2018-11-28 13:22:43,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:43,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:43,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:43,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:43,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:44,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:44,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:22:44,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:22:44,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:22:44,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:22:44,089 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-28 13:22:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:44,738 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-28 13:22:44,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:22:44,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-28 13:22:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:44,748 INFO L225 Difference]: With dead ends: 688 [2018-11-28 13:22:44,748 INFO L226 Difference]: Without dead ends: 372 [2018-11-28 13:22:44,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:22:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-11-28 13:22:44,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-11-28 13:22:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-28 13:22:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 584 transitions. [2018-11-28 13:22:44,795 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 584 transitions. Word has length 62 [2018-11-28 13:22:44,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:44,795 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 584 transitions. [2018-11-28 13:22:44,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:22:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 584 transitions. [2018-11-28 13:22:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 13:22:44,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:44,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:44,801 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:44,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:44,801 INFO L82 PathProgramCache]: Analyzing trace with hash -955889055, now seen corresponding path program 1 times [2018-11-28 13:22:44,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:44,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:44,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:44,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:44,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:44,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:22:44,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:22:44,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:22:44,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:22:44,942 INFO L87 Difference]: Start difference. First operand 372 states and 584 transitions. Second operand 6 states. [2018-11-28 13:22:45,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:45,602 INFO L93 Difference]: Finished difference Result 1126 states and 1797 transitions. [2018-11-28 13:22:45,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:22:45,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-28 13:22:45,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:45,608 INFO L225 Difference]: With dead ends: 1126 [2018-11-28 13:22:45,608 INFO L226 Difference]: Without dead ends: 760 [2018-11-28 13:22:45,609 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 [2018-11-28 13:22:45,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2018-11-28 13:22:45,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2018-11-28 13:22:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2018-11-28 13:22:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1095 transitions. [2018-11-28 13:22:45,640 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1095 transitions. Word has length 141 [2018-11-28 13:22:45,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:45,641 INFO L480 AbstractCegarLoop]: Abstraction has 748 states and 1095 transitions. [2018-11-28 13:22:45,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:22:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1095 transitions. [2018-11-28 13:22:45,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 13:22:45,646 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:45,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:45,646 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:45,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:45,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1117315654, now seen corresponding path program 1 times [2018-11-28 13:22:45,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:45,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:45,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:45,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:45,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:45,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:45,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:22:45,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:22:45,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:22:45,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:22:45,760 INFO L87 Difference]: Start difference. First operand 748 states and 1095 transitions. Second operand 4 states. [2018-11-28 13:22:46,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:46,438 INFO L93 Difference]: Finished difference Result 1858 states and 2695 transitions. [2018-11-28 13:22:46,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:22:46,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-11-28 13:22:46,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:46,445 INFO L225 Difference]: With dead ends: 1858 [2018-11-28 13:22:46,445 INFO L226 Difference]: Without dead ends: 1116 [2018-11-28 13:22:46,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:22:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-11-28 13:22:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 932. [2018-11-28 13:22:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-28 13:22:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1253 transitions. [2018-11-28 13:22:46,471 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1253 transitions. Word has length 174 [2018-11-28 13:22:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:46,472 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1253 transitions. [2018-11-28 13:22:46,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:22:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1253 transitions. [2018-11-28 13:22:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-28 13:22:46,476 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:46,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:46,476 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:46,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:46,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1149985643, now seen corresponding path program 1 times [2018-11-28 13:22:46,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:46,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:46,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:46,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:46,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:46,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:22:46,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:22:46,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:22:46,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:22:46,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:22:46,781 INFO L87 Difference]: Start difference. First operand 932 states and 1253 transitions. Second operand 6 states. [2018-11-28 13:22:47,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:47,575 INFO L93 Difference]: Finished difference Result 2258 states and 3067 transitions. [2018-11-28 13:22:47,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:22:47,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-11-28 13:22:47,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:47,580 INFO L225 Difference]: With dead ends: 2258 [2018-11-28 13:22:47,580 INFO L226 Difference]: Without dead ends: 1332 [2018-11-28 13:22:47,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:22:47,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2018-11-28 13:22:47,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1124. [2018-11-28 13:22:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-11-28 13:22:47,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1460 transitions. [2018-11-28 13:22:47,601 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1460 transitions. Word has length 227 [2018-11-28 13:22:47,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:47,602 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1460 transitions. [2018-11-28 13:22:47,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:22:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1460 transitions. [2018-11-28 13:22:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-11-28 13:22:47,605 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:47,606 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:47,606 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:47,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:47,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1540192005, now seen corresponding path program 1 times [2018-11-28 13:22:47,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:47,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:47,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:47,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:47,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 251 proven. 190 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 13:22:48,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:48,106 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:22:48,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:48,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 336 proven. 53 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-28 13:22:48,638 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:22:48,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-11-28 13:22:48,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 13:22:48,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 13:22:48,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:22:48,640 INFO L87 Difference]: Start difference. First operand 1124 states and 1460 transitions. Second operand 15 states. [2018-11-28 13:22:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:50,515 INFO L93 Difference]: Finished difference Result 2541 states and 3330 transitions. [2018-11-28 13:22:50,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:22:50,516 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 409 [2018-11-28 13:22:50,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:50,520 INFO L225 Difference]: With dead ends: 2541 [2018-11-28 13:22:50,520 INFO L226 Difference]: Without dead ends: 1378 [2018-11-28 13:22:50,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 421 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2018-11-28 13:22:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2018-11-28 13:22:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1316. [2018-11-28 13:22:50,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2018-11-28 13:22:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1569 transitions. [2018-11-28 13:22:50,544 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1569 transitions. Word has length 409 [2018-11-28 13:22:50,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:50,545 INFO L480 AbstractCegarLoop]: Abstraction has 1316 states and 1569 transitions. [2018-11-28 13:22:50,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 13:22:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1569 transitions. [2018-11-28 13:22:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-11-28 13:22:50,549 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:50,550 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:22:50,550 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:50,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:50,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1982849592, now seen corresponding path program 1 times [2018-11-28 13:22:50,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:50,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:50,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:50,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:50,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 258 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:22:51,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:51,256 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:22:51,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:51,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-11-28 13:22:51,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:22:51,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-11-28 13:22:51,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-28 13:22:51,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-28 13:22:51,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-28 13:22:51,499 INFO L87 Difference]: Start difference. First operand 1316 states and 1569 transitions. Second operand 22 states. [2018-11-28 13:22:56,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:56,948 INFO L93 Difference]: Finished difference Result 4464 states and 5808 transitions. [2018-11-28 13:22:56,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-11-28 13:22:56,948 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 434 [2018-11-28 13:22:56,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:56,956 INFO L225 Difference]: With dead ends: 4464 [2018-11-28 13:22:56,956 INFO L226 Difference]: Without dead ends: 3154 [2018-11-28 13:22:56,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1512, Invalid=7800, Unknown=0, NotChecked=0, Total=9312 [2018-11-28 13:22:56,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2018-11-28 13:22:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 2818. [2018-11-28 13:22:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2018-11-28 13:22:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3236 transitions. [2018-11-28 13:22:57,012 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3236 transitions. Word has length 434 [2018-11-28 13:22:57,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:57,013 INFO L480 AbstractCegarLoop]: Abstraction has 2818 states and 3236 transitions. [2018-11-28 13:22:57,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-28 13:22:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3236 transitions. [2018-11-28 13:22:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2018-11-28 13:22:57,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:57,025 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-11-28 13:22:57,026 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:57,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:57,026 INFO L82 PathProgramCache]: Analyzing trace with hash -200653041, now seen corresponding path program 1 times [2018-11-28 13:22:57,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:57,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:57,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:57,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:57,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 687 proven. 228 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2018-11-28 13:22:57,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:57,459 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:22:57,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:57,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 1347 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-11-28 13:22:57,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:22:57,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 13:22:57,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:22:57,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:22:57,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:22:57,879 INFO L87 Difference]: Start difference. First operand 2818 states and 3236 transitions. Second operand 7 states. [2018-11-28 13:22:58,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:22:58,819 INFO L93 Difference]: Finished difference Result 7164 states and 9216 transitions. [2018-11-28 13:22:58,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 13:22:58,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 800 [2018-11-28 13:22:58,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:22:58,832 INFO L225 Difference]: With dead ends: 7164 [2018-11-28 13:22:58,832 INFO L226 Difference]: Without dead ends: 4534 [2018-11-28 13:22:58,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:22:58,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2018-11-28 13:22:58,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 4338. [2018-11-28 13:22:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2018-11-28 13:22:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 5045 transitions. [2018-11-28 13:22:58,915 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 5045 transitions. Word has length 800 [2018-11-28 13:22:58,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:22:58,916 INFO L480 AbstractCegarLoop]: Abstraction has 4338 states and 5045 transitions. [2018-11-28 13:22:58,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:22:58,916 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 5045 transitions. [2018-11-28 13:22:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2018-11-28 13:22:58,930 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:22:58,930 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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] [2018-11-28 13:22:58,931 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:22:58,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:22:58,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1790395514, now seen corresponding path program 1 times [2018-11-28 13:22:58,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:22:58,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:22:58,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:58,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:58,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:22:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 694 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-11-28 13:22:59,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:22:59,343 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:22:59,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:22:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:22:59,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:22:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1361 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-11-28 13:22:59,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:22:59,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 13:22:59,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:22:59,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:22:59,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:22:59,773 INFO L87 Difference]: Start difference. First operand 4338 states and 5045 transitions. Second operand 7 states. [2018-11-28 13:23:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:00,832 INFO L93 Difference]: Finished difference Result 10758 states and 13636 transitions. [2018-11-28 13:23:00,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 13:23:00,832 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 807 [2018-11-28 13:23:00,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:00,849 INFO L225 Difference]: With dead ends: 10758 [2018-11-28 13:23:00,849 INFO L226 Difference]: Without dead ends: 6608 [2018-11-28 13:23:00,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:23:00,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2018-11-28 13:23:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 6402. [2018-11-28 13:23:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6402 states. [2018-11-28 13:23:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6402 states to 6402 states and 7509 transitions. [2018-11-28 13:23:00,959 INFO L78 Accepts]: Start accepts. Automaton has 6402 states and 7509 transitions. Word has length 807 [2018-11-28 13:23:00,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:00,960 INFO L480 AbstractCegarLoop]: Abstraction has 6402 states and 7509 transitions. [2018-11-28 13:23:00,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:23:00,960 INFO L276 IsEmpty]: Start isEmpty. Operand 6402 states and 7509 transitions. [2018-11-28 13:23:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2018-11-28 13:23:00,968 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:00,968 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:23:00,968 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:00,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:00,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1982891454, now seen corresponding path program 1 times [2018-11-28 13:23:00,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:00,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:00,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:00,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:00,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 574 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-11-28 13:23:01,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:01,548 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:23:01,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:01,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 1385 proven. 2 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-11-28 13:23:01,966 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:01,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-11-28 13:23:01,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:23:01,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:23:01,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:23:01,968 INFO L87 Difference]: Start difference. First operand 6402 states and 7509 transitions. Second operand 7 states. [2018-11-28 13:23:02,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:02,655 INFO L93 Difference]: Finished difference Result 14286 states and 16932 transitions. [2018-11-28 13:23:02,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:23:02,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 867 [2018-11-28 13:23:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:02,677 INFO L225 Difference]: With dead ends: 14286 [2018-11-28 13:23:02,677 INFO L226 Difference]: Without dead ends: 8072 [2018-11-28 13:23:02,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 871 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:23:02,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8072 states. [2018-11-28 13:23:02,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8072 to 7706. [2018-11-28 13:23:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7706 states. [2018-11-28 13:23:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7706 states to 7706 states and 8868 transitions. [2018-11-28 13:23:02,830 INFO L78 Accepts]: Start accepts. Automaton has 7706 states and 8868 transitions. Word has length 867 [2018-11-28 13:23:02,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:02,831 INFO L480 AbstractCegarLoop]: Abstraction has 7706 states and 8868 transitions. [2018-11-28 13:23:02,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:23:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7706 states and 8868 transitions. [2018-11-28 13:23:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2018-11-28 13:23:02,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:02,845 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:23:02,846 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:02,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:02,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1993504723, now seen corresponding path program 1 times [2018-11-28 13:23:02,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:02,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:02,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:02,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:02,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 732 proven. 1046 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2018-11-28 13:23:04,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:04,080 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:23:04,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:04,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 1698 proven. 2 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2018-11-28 13:23:04,689 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:04,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-11-28 13:23:04,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 13:23:04,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 13:23:04,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:23:04,691 INFO L87 Difference]: Start difference. First operand 7706 states and 8868 transitions. Second operand 17 states. [2018-11-28 13:23:07,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:07,240 INFO L93 Difference]: Finished difference Result 15687 states and 18680 transitions. [2018-11-28 13:23:07,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-28 13:23:07,240 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 907 [2018-11-28 13:23:07,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:07,257 INFO L225 Difference]: With dead ends: 15687 [2018-11-28 13:23:07,257 INFO L226 Difference]: Without dead ends: 8114 [2018-11-28 13:23:07,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 926 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=545, Invalid=2107, Unknown=0, NotChecked=0, Total=2652 [2018-11-28 13:23:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2018-11-28 13:23:07,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 6930. [2018-11-28 13:23:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6930 states. [2018-11-28 13:23:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 7548 transitions. [2018-11-28 13:23:07,412 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 7548 transitions. Word has length 907 [2018-11-28 13:23:07,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:07,413 INFO L480 AbstractCegarLoop]: Abstraction has 6930 states and 7548 transitions. [2018-11-28 13:23:07,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 13:23:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 7548 transitions. [2018-11-28 13:23:07,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2018-11-28 13:23:07,420 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:07,421 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:23:07,421 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:07,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:07,421 INFO L82 PathProgramCache]: Analyzing trace with hash -424462762, now seen corresponding path program 1 times [2018-11-28 13:23:07,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:07,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:07,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:07,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:07,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 919 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-11-28 13:23:07,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:07,925 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:23:07,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:08,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1808 proven. 2 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2018-11-28 13:23:08,337 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:08,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 13:23:08,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:23:08,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:23:08,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:23:08,338 INFO L87 Difference]: Start difference. First operand 6930 states and 7548 transitions. Second operand 7 states. [2018-11-28 13:23:08,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:08,922 INFO L93 Difference]: Finished difference Result 13832 states and 15105 transitions. [2018-11-28 13:23:08,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 13:23:08,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 966 [2018-11-28 13:23:08,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:08,932 INFO L225 Difference]: With dead ends: 13832 [2018-11-28 13:23:08,932 INFO L226 Difference]: Without dead ends: 7090 [2018-11-28 13:23:08,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:23:08,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2018-11-28 13:23:09,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 6892. [2018-11-28 13:23:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6892 states. [2018-11-28 13:23:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 7474 transitions. [2018-11-28 13:23:09,015 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 7474 transitions. Word has length 966 [2018-11-28 13:23:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:09,016 INFO L480 AbstractCegarLoop]: Abstraction has 6892 states and 7474 transitions. [2018-11-28 13:23:09,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:23:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 7474 transitions. [2018-11-28 13:23:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2018-11-28 13:23:09,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:09,026 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 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, 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:23:09,026 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:09,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:09,026 INFO L82 PathProgramCache]: Analyzing trace with hash 500462927, now seen corresponding path program 1 times [2018-11-28 13:23:09,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:09,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:09,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:09,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:09,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 1679 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-11-28 13:23:09,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:09,606 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:23:09,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:09,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 2469 proven. 6 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2018-11-28 13:23:10,248 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:10,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-11-28 13:23:10,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:23:10,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:23:10,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:23:10,250 INFO L87 Difference]: Start difference. First operand 6892 states and 7474 transitions. Second operand 9 states. [2018-11-28 13:23:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:11,236 INFO L93 Difference]: Finished difference Result 15262 states and 16617 transitions. [2018-11-28 13:23:11,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 13:23:11,236 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1141 [2018-11-28 13:23:11,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:11,252 INFO L225 Difference]: With dead ends: 15262 [2018-11-28 13:23:11,252 INFO L226 Difference]: Without dead ends: 8558 [2018-11-28 13:23:11,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1159 GetRequests, 1145 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:23:11,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2018-11-28 13:23:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8002. [2018-11-28 13:23:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8002 states. [2018-11-28 13:23:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8002 states to 8002 states and 8681 transitions. [2018-11-28 13:23:11,398 INFO L78 Accepts]: Start accepts. Automaton has 8002 states and 8681 transitions. Word has length 1141 [2018-11-28 13:23:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:11,399 INFO L480 AbstractCegarLoop]: Abstraction has 8002 states and 8681 transitions. [2018-11-28 13:23:11,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:23:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 8002 states and 8681 transitions. [2018-11-28 13:23:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2018-11-28 13:23:11,415 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:11,415 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:23:11,415 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:11,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:11,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1123864491, now seen corresponding path program 1 times [2018-11-28 13:23:11,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:11,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:11,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:11,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:11,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 1416 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-11-28 13:23:13,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:13,192 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/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 [2018-11-28 13:23:13,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:13,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 2362 proven. 2 refuted. 0 times theorem prover too weak. 2802 trivial. 0 not checked. [2018-11-28 13:23:13,973 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:13,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-28 13:23:13,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 13:23:13,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 13:23:13,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:23:13,975 INFO L87 Difference]: Start difference. First operand 8002 states and 8681 transitions. Second operand 17 states. [2018-11-28 13:23:16,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:16,576 INFO L93 Difference]: Finished difference Result 15690 states and 17060 transitions. [2018-11-28 13:23:16,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-28 13:23:16,577 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1292 [2018-11-28 13:23:16,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:16,590 INFO L225 Difference]: With dead ends: 15690 [2018-11-28 13:23:16,590 INFO L226 Difference]: Without dead ends: 7876 [2018-11-28 13:23:16,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1367 GetRequests, 1316 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=548, Invalid=2208, Unknown=0, NotChecked=0, Total=2756 [2018-11-28 13:23:16,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2018-11-28 13:23:16,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 7452. [2018-11-28 13:23:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7452 states. [2018-11-28 13:23:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7452 states to 7452 states and 8093 transitions. [2018-11-28 13:23:16,695 INFO L78 Accepts]: Start accepts. Automaton has 7452 states and 8093 transitions. Word has length 1292 [2018-11-28 13:23:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:16,696 INFO L480 AbstractCegarLoop]: Abstraction has 7452 states and 8093 transitions. [2018-11-28 13:23:16,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 13:23:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 7452 states and 8093 transitions. [2018-11-28 13:23:16,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1497 [2018-11-28 13:23:16,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:16,710 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:23:16,710 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:16,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:16,710 INFO L82 PathProgramCache]: Analyzing trace with hash -962469324, now seen corresponding path program 1 times [2018-11-28 13:23:16,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:16,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:16,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:16,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:16,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 1280 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-11-28 13:23:19,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:19,001 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:23:19,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:19,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 3974 proven. 2 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2018-11-28 13:23:19,814 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:19,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-28 13:23:19,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 13:23:19,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 13:23:19,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:23:19,816 INFO L87 Difference]: Start difference. First operand 7452 states and 8093 transitions. Second operand 19 states. [2018-11-28 13:23:23,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:23,187 INFO L93 Difference]: Finished difference Result 15127 states and 17466 transitions. [2018-11-28 13:23:23,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 13:23:23,187 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1496 [2018-11-28 13:23:23,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:23,208 INFO L225 Difference]: With dead ends: 15127 [2018-11-28 13:23:23,208 INFO L226 Difference]: Without dead ends: 7863 [2018-11-28 13:23:23,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1596 GetRequests, 1531 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=884, Invalid=3276, Unknown=0, NotChecked=0, Total=4160 [2018-11-28 13:23:23,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7863 states. [2018-11-28 13:23:23,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7863 to 7454. [2018-11-28 13:23:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7454 states. [2018-11-28 13:23:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7454 states to 7454 states and 8013 transitions. [2018-11-28 13:23:23,336 INFO L78 Accepts]: Start accepts. Automaton has 7454 states and 8013 transitions. Word has length 1496 [2018-11-28 13:23:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:23,337 INFO L480 AbstractCegarLoop]: Abstraction has 7454 states and 8013 transitions. [2018-11-28 13:23:23,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 13:23:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7454 states and 8013 transitions. [2018-11-28 13:23:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1615 [2018-11-28 13:23:23,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:23,350 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 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] [2018-11-28 13:23:23,350 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:23,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:23,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1288405425, now seen corresponding path program 1 times [2018-11-28 13:23:23,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:23,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:23,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:23,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:23,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 1764 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-11-28 13:23:25,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:25,385 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:23:25,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:25,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 2993 proven. 2 refuted. 0 times theorem prover too weak. 4794 trivial. 0 not checked. [2018-11-28 13:23:26,351 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:26,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-28 13:23:26,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 13:23:26,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 13:23:26,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:23:26,352 INFO L87 Difference]: Start difference. First operand 7454 states and 8013 transitions. Second operand 17 states. [2018-11-28 13:23:29,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:29,113 INFO L93 Difference]: Finished difference Result 14732 states and 15853 transitions. [2018-11-28 13:23:29,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-28 13:23:29,113 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1614 [2018-11-28 13:23:29,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:29,122 INFO L225 Difference]: With dead ends: 14732 [2018-11-28 13:23:29,122 INFO L226 Difference]: Without dead ends: 7466 [2018-11-28 13:23:29,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1692 GetRequests, 1640 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=526, Invalid=2336, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 13:23:29,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-11-28 13:23:29,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7450. [2018-11-28 13:23:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7450 states. [2018-11-28 13:23:29,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7450 states to 7450 states and 7965 transitions. [2018-11-28 13:23:29,210 INFO L78 Accepts]: Start accepts. Automaton has 7450 states and 7965 transitions. Word has length 1614 [2018-11-28 13:23:29,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:29,211 INFO L480 AbstractCegarLoop]: Abstraction has 7450 states and 7965 transitions. [2018-11-28 13:23:29,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 13:23:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 7450 states and 7965 transitions. [2018-11-28 13:23:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2018-11-28 13:23:29,227 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:29,227 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 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, 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, 3, 3, 3, 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] [2018-11-28 13:23:29,227 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:29,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:29,228 INFO L82 PathProgramCache]: Analyzing trace with hash 722821424, now seen corresponding path program 1 times [2018-11-28 13:23:29,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:29,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:29,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:29,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:29,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 1794 proven. 79 refuted. 0 times theorem prover too weak. 8416 trivial. 0 not checked. [2018-11-28 13:23:30,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:30,518 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:23:30,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:30,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 3213 proven. 2 refuted. 0 times theorem prover too weak. 7074 trivial. 0 not checked. [2018-11-28 13:23:31,524 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:31,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-11-28 13:23:31,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:23:31,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:23:31,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:23:31,526 INFO L87 Difference]: Start difference. First operand 7450 states and 7965 transitions. Second operand 10 states. [2018-11-28 13:23:32,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:32,632 INFO L93 Difference]: Finished difference Result 14726 states and 15750 transitions. [2018-11-28 13:23:32,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:23:32,632 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1821 [2018-11-28 13:23:32,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:32,642 INFO L225 Difference]: With dead ends: 14726 [2018-11-28 13:23:32,642 INFO L226 Difference]: Without dead ends: 7464 [2018-11-28 13:23:32,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1850 GetRequests, 1829 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-28 13:23:32,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2018-11-28 13:23:32,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 7086. [2018-11-28 13:23:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7086 states. [2018-11-28 13:23:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7086 states to 7086 states and 7520 transitions. [2018-11-28 13:23:32,732 INFO L78 Accepts]: Start accepts. Automaton has 7086 states and 7520 transitions. Word has length 1821 [2018-11-28 13:23:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:32,733 INFO L480 AbstractCegarLoop]: Abstraction has 7086 states and 7520 transitions. [2018-11-28 13:23:32,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:23:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 7086 states and 7520 transitions. [2018-11-28 13:23:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1832 [2018-11-28 13:23:32,749 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:32,749 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 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] [2018-11-28 13:23:32,749 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:32,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:32,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1793687586, now seen corresponding path program 1 times [2018-11-28 13:23:32,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:32,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:32,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:32,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:32,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 2130 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-11-28 13:23:35,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:35,263 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:23:35,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:35,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 4526 proven. 6 refuted. 0 times theorem prover too weak. 5947 trivial. 0 not checked. [2018-11-28 13:23:36,365 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:36,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-28 13:23:36,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 13:23:36,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 13:23:36,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-11-28 13:23:36,367 INFO L87 Difference]: Start difference. First operand 7086 states and 7520 transitions. Second operand 16 states. [2018-11-28 13:23:38,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:38,710 INFO L93 Difference]: Finished difference Result 14397 states and 15539 transitions. [2018-11-28 13:23:38,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-28 13:23:38,710 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1831 [2018-11-28 13:23:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:38,723 INFO L225 Difference]: With dead ends: 14397 [2018-11-28 13:23:38,723 INFO L226 Difference]: Without dead ends: 7437 [2018-11-28 13:23:38,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1917 GetRequests, 1869 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=479, Invalid=1971, Unknown=0, NotChecked=0, Total=2450 [2018-11-28 13:23:38,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7437 states. [2018-11-28 13:23:38,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7437 to 7074. [2018-11-28 13:23:38,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7074 states. [2018-11-28 13:23:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7074 states to 7074 states and 7444 transitions. [2018-11-28 13:23:38,881 INFO L78 Accepts]: Start accepts. Automaton has 7074 states and 7444 transitions. Word has length 1831 [2018-11-28 13:23:38,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:38,882 INFO L480 AbstractCegarLoop]: Abstraction has 7074 states and 7444 transitions. [2018-11-28 13:23:38,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 13:23:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 7074 states and 7444 transitions. [2018-11-28 13:23:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1872 [2018-11-28 13:23:38,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:38,906 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:23:38,906 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:38,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:38,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1327403292, now seen corresponding path program 1 times [2018-11-28 13:23:38,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:38,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:38,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:38,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:38,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 2262 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-11-28 13:23:40,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:23:40,288 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:23:40,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:40,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:23:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 4494 proven. 2 refuted. 0 times theorem prover too weak. 5968 trivial. 0 not checked. [2018-11-28 13:23:41,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:23:41,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-28 13:23:41,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:23:41,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:23:41,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:23:41,311 INFO L87 Difference]: Start difference. First operand 7074 states and 7444 transitions. Second operand 11 states. [2018-11-28 13:23:42,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:42,732 INFO L93 Difference]: Finished difference Result 14879 states and 15690 transitions. [2018-11-28 13:23:42,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-28 13:23:42,733 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1871 [2018-11-28 13:23:42,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:42,738 INFO L225 Difference]: With dead ends: 14879 [2018-11-28 13:23:42,738 INFO L226 Difference]: Without dead ends: 4262 [2018-11-28 13:23:42,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1915 GetRequests, 1885 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2018-11-28 13:23:42,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2018-11-28 13:23:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 4076. [2018-11-28 13:23:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4076 states. [2018-11-28 13:23:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 4173 transitions. [2018-11-28 13:23:42,794 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 4173 transitions. Word has length 1871 [2018-11-28 13:23:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:42,795 INFO L480 AbstractCegarLoop]: Abstraction has 4076 states and 4173 transitions. [2018-11-28 13:23:42,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:23:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 4173 transitions. [2018-11-28 13:23:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1947 [2018-11-28 13:23:42,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:23:42,810 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 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] [2018-11-28 13:23:42,810 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:23:42,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:23:42,811 INFO L82 PathProgramCache]: Analyzing trace with hash 798801568, now seen corresponding path program 1 times [2018-11-28 13:23:42,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:23:42,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:23:42,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:42,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:23:42,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:23:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:23:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 11897 backedges. 867 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-11-28 13:23:43,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:23:43,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:23:43,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:23:43,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:23:43,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:23:43,984 INFO L87 Difference]: Start difference. First operand 4076 states and 4173 transitions. Second operand 4 states. [2018-11-28 13:23:44,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:23:44,266 INFO L93 Difference]: Finished difference Result 4076 states and 4173 transitions. [2018-11-28 13:23:44,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:23:44,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1946 [2018-11-28 13:23:44,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:23:44,268 INFO L225 Difference]: With dead ends: 4076 [2018-11-28 13:23:44,268 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:23:44,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:23:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:23:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:23:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:23:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:23:44,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1946 [2018-11-28 13:23:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:23:44,270 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:23:44,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:23:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:23:44,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:23:44,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:23:44,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:44,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:46,321 WARN L180 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 897 DAG size of output: 845 [2018-11-28 13:23:46,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:46,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:46,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:46,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:46,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:23:47,806 WARN L180 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 897 DAG size of output: 845 [2018-11-28 13:23:49,253 WARN L180 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 353 DAG size of output: 107 [2018-11-28 13:23:53,876 WARN L180 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 863 DAG size of output: 97 [2018-11-28 13:23:58,444 WARN L180 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 863 DAG size of output: 97 [2018-11-28 13:23:58,445 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 13:23:58,446 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,447 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-28 13:23:58,448 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-28 13:23:58,449 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 13:23:58,450 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 13:23:58,451 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse14 (= 8 |old(~a21~0)|)) (.cse19 (= ~a24~0 |old(~a24~0)|)) (.cse13 (= 7 |old(~a21~0)|)) (.cse15 (= 10 |old(~a21~0)|)) (.cse20 (= ~a21~0 |old(~a21~0)|)) (.cse17 (= ~a12~0 |old(~a12~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse21 (= 1 ~a24~0))) (let ((.cse5 (not (= 6 |old(~a21~0)|))) (.cse12 (= 5 |old(~a15~0)|)) (.cse1 (and .cse17 .cse18 .cse21 (= 10 ~a21~0))) (.cse6 (and .cse17 .cse20 .cse18 .cse21)) (.cse4 (< 7 |old(~a15~0)|)) (.cse0 (not .cse15)) (.cse16 (not .cse13)) (.cse11 (and .cse17 .cse20 .cse21 (= 8 ~a15~0))) (.cse3 (< 11 |old(~a12~0)|)) (.cse7 (and (and .cse17 (not (= ~a15~0 9)) .cse19 .cse18) (= ~a21~0 8))) (.cse2 (not (= 1 |old(~a24~0)|))) (.cse10 (not (= 8 |old(~a15~0)|))) (.cse8 (< 73282 |old(~a12~0)|)) (.cse9 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse2 .cse8 .cse4 .cse9) (or .cse5 .cse2 .cse10 .cse11) (or .cse12 .cse13 .cse2 .cse6 .cse14 .cse4 .cse15) (or .cse6 (or (< 0 (+ |old(~a12~0)| 43)) .cse2) .cse10) (or (or (not (= 9 |old(~a21~0)|)) .cse10) (< 76 |old(~a12~0)|) .cse11 .cse2) (or .cse16 (and (and .cse17 (= 7 ~a21~0) .cse18) .cse19) .cse2 (< 72 |old(~a12~0)|) .cse4 (<= |old(~a12~0)| 18)) (or .cse5 (< 0 (+ |old(~a12~0)| 49)) (and .cse17 .cse19 .cse20 .cse18) .cse4) (or .cse0 .cse2 (not .cse12) .cse8 .cse1) (or (and .cse17 .cse20 .cse21 (= 9 ~a15~0)) (not (= 9 |old(~a15~0)|)) .cse2) (or .cse2 (not (= 7 |old(~a15~0)|)) (and .cse17 .cse20 (= 7 ~a15~0) .cse21)) (or (< 78 |old(~a12~0)|) .cse6 .cse13 .cse2 .cse4 .cse15) (or (or .cse0 .cse2 .cse10) .cse11) (or .cse16 .cse11 .cse2 .cse3 .cse10) (or .cse7 .cse2 .cse10 .cse8 .cse9)))) [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-28 13:23:58,452 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 13:23:58,453 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-28 13:23:58,454 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-28 13:23:58,455 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-28 13:23:58,456 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-28 13:23:58,457 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-28 13:23:58,458 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-28 13:23:58,459 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:23:58,460 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-28 13:23:58,461 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:23:58,461 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:23:58,461 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0))) [2018-11-28 13:23:58,461 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-28 13:23:58,461 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse9 (= ~a21~0 8))) (let ((.cse5 (and .cse11 (and .cse3 (not (= ~a15~0 9))) .cse9)) (.cse4 (and .cse0 .cse3)) (.cse8 (= 5 ~a15~0)) (.cse7 (not (= 10 ~a21~0))) (.cse6 (= ~a15~0 |old(~a15~0)|)) (.cse12 (= ~a21~0 10)) (.cse1 (<= ~a15~0 7)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse13 (<= ~a12~0 11)) (.cse10 (not (= ~a21~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 49) 0) .cse1) (and .cse2 (= 7 ~a15~0)) (and .cse3 (= 9 ~a15~0)) (and .cse4 .cse1) (and .cse1 .cse5) (and .cse6 .cse5) (not (= 7 |old(~a21~0)|)) (and .cse1 (and (and .cse7 .cse2 (not .cse8)) (not .cse9) .cse10)) (and .cse4 .cse6) (and (and .cse11 (and .cse3 .cse12)) .cse8) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse3 (= 7 ~a21~0)) .cse13) .cse6) (and (<= ~a12~0 78) .cse1 (and (and .cse7 .cse2) .cse10)) (and (and (<= ~a21~0 7) (< 18 ~a12~0) .cse2 (<= ~a12~0 72)) .cse1) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse6) (and (and .cse2 (<= (+ ~a12~0 43) 0)) .cse6) (and .cse2 .cse12 (= 8 ~a15~0)) (not (= 1 |old(~a24~0)|)) (and .cse1 (and .cse2 .cse13 .cse10))))) [2018-11-28 13:23:58,461 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-28 13:23:58,461 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-28 13:23:58,461 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse9 (= ~a21~0 8))) (let ((.cse5 (and .cse11 (and .cse3 (not (= ~a15~0 9))) .cse9)) (.cse4 (and .cse0 .cse3)) (.cse8 (= 5 ~a15~0)) (.cse7 (not (= 10 ~a21~0))) (.cse6 (= ~a15~0 |old(~a15~0)|)) (.cse12 (= ~a21~0 10)) (.cse1 (<= ~a15~0 7)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse13 (<= ~a12~0 11)) (.cse10 (not (= ~a21~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 49) 0) .cse1) (and .cse2 (= 7 ~a15~0)) (and .cse3 (= 9 ~a15~0)) (and .cse4 .cse1) (and .cse1 .cse5) (and .cse6 .cse5) (not (= 7 |old(~a21~0)|)) (and .cse1 (and (and .cse7 .cse2 (not .cse8)) (not .cse9) .cse10)) (and .cse4 .cse6) (and (and .cse11 (and .cse3 .cse12)) .cse8) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse3 (= 7 ~a21~0)) .cse13) .cse6) (and (<= ~a12~0 78) .cse1 (and (and .cse7 .cse2) .cse10)) (and (and (<= ~a21~0 7) (< 18 ~a12~0) .cse2 (<= ~a12~0 72)) .cse1) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse6) (and (and .cse2 (<= (+ ~a12~0 43) 0)) .cse6) (and .cse2 .cse12 (= 8 ~a15~0)) (not (= 1 |old(~a24~0)|)) (and .cse1 (and .cse2 .cse13 .cse10))))) [2018-11-28 13:23:58,462 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-28 13:23:58,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:23:58 BoogieIcfgContainer [2018-11-28 13:23:58,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:23:58,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:23:58,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:23:58,477 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:23:58,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:22:43" (3/4) ... [2018-11-28 13:23:58,480 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:23:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:23:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 13:23:58,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:23:58,500 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 13:23:58,500 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 13:23:58,525 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(8 == \old(a15)) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || (a24 == \old(a24) && 7 == a15)) || (1 == a24 && 9 == a15)) || ((6 == a21 && 1 == a24) && a15 <= 7)) || (a15 <= 7 && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || (a15 == \old(a15) && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || !(7 == \old(a21))) || (a15 <= 7 && (((!(10 == a21) && a24 == \old(a24)) && !(5 == a15)) && !(a21 == 8)) && !(a21 == 7))) || ((6 == a21 && 1 == a24) && a15 == \old(a15))) || ((a12 <= 73282 && 1 == a24 && a21 == 10) && 5 == a15)) || 0 < \old(a12) + 49) || (((1 == a24 && 7 == a21) && a12 <= 11) && a15 == \old(a15))) || ((a12 <= 78 && a15 <= 7) && (!(10 == a21) && a24 == \old(a24)) && !(a21 == 7))) || ((((a21 <= 7 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || ((a24 == \old(a24) && a12 + 43 <= 0) && a15 == \old(a15))) || ((a24 == \old(a24) && a21 == 10) && 8 == a15)) || !(1 == \old(a24))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && !(a21 == 7)) [2018-11-28 13:23:58,597 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb14c05a-3a96-43d8-a160-fefd3c62abae/bin-2019/uautomizer/witness.graphml [2018-11-28 13:23:58,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:23:58,598 INFO L168 Benchmark]: Toolchain (without parser) took 76322.78 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.1 GB). Free memory was 950.6 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-28 13:23:58,598 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:23:58,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:23:58,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.85 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:23:58,599 INFO L168 Benchmark]: Boogie Preprocessor took 58.93 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. [2018-11-28 13:23:58,599 INFO L168 Benchmark]: RCFGBuilder took 967.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.2 MB in the end (delta: 123.1 MB). Peak memory consumption was 123.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:23:58,599 INFO L168 Benchmark]: TraceAbstraction took 74699.83 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 986.2 MB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-28 13:23:58,600 INFO L168 Benchmark]: Witness Printer took 120.52 ms. Allocated memory is still 5.1 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:23:58,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 443.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.85 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.93 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 967.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.2 MB in the end (delta: 123.1 MB). Peak memory consumption was 123.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74699.83 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 986.2 MB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 120.52 ms. Allocated memory is still 5.1 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(8 == \old(a15)) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || (a24 == \old(a24) && 7 == a15)) || (1 == a24 && 9 == a15)) || ((6 == a21 && 1 == a24) && a15 <= 7)) || (a15 <= 7 && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || (a15 == \old(a15) && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || !(7 == \old(a21))) || (a15 <= 7 && (((!(10 == a21) && a24 == \old(a24)) && !(5 == a15)) && !(a21 == 8)) && !(a21 == 7))) || ((6 == a21 && 1 == a24) && a15 == \old(a15))) || ((a12 <= 73282 && 1 == a24 && a21 == 10) && 5 == a15)) || 0 < \old(a12) + 49) || (((1 == a24 && 7 == a21) && a12 <= 11) && a15 == \old(a15))) || ((a12 <= 78 && a15 <= 7) && (!(10 == a21) && a24 == \old(a24)) && !(a21 == 7))) || ((((a21 <= 7 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || ((a24 == \old(a24) && a12 + 43 <= 0) && a15 == \old(a15))) || ((a24 == \old(a24) && a21 == 10) && 8 == a15)) || !(1 == \old(a24))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && !(a21 == 7)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 74.6s OverallTime, 19 OverallIterations, 16 TraceHistogramMax, 31.1s AutomataDifference, 0.0s DeadEndRemovalTime, 14.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 644 SDtfs, 26307 SDslu, 1981 SDs, 0 SdLazy, 40451 SolverSat, 7358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16994 GetRequests, 16467 SyntacticMatches, 19 SemanticMatches, 508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7547 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8002occurred in iteration=12, 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: 1.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 5284 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 505 PreInvPairs, 607 NumberOfFragments, 1032 HoareAnnotationTreeSize, 505 FomulaSimplifications, 122084355 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24876146 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 35062 NumberOfCodeBlocks, 35062 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 35029 ConstructedInterpolants, 0 QuantifiedInterpolants, 120413591 SizeOfPredicates, 10 NumberOfNonLiveVariables, 22359 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 33 InterpolantComputations, 6 PerfectInterpolantSequences, 133729/144960 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...