./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79f8d22fb07c95427dd318f6d0f74f02d2c9197f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:35:55,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:35:55,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:35:55,799 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:35:55,799 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:35:55,800 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:35:55,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:35:55,801 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:35:55,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:35:55,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:35:55,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:35:55,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:35:55,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:35:55,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:35:55,805 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:35:55,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:35:55,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:35:55,807 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:35:55,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:35:55,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:35:55,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:35:55,810 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:35:55,811 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:35:55,811 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:35:55,811 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:35:55,812 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:35:55,812 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:35:55,813 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:35:55,813 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:35:55,814 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:35:55,814 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:35:55,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:35:55,815 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:35:55,815 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:35:55,815 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:35:55,816 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:35:55,816 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:35:55,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:35:55,824 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:35:55,824 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:35:55,824 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:35:55,824 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:35:55,824 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:35:55,824 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:35:55,825 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:35:55,825 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:35:55,825 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:35:55,825 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:35:55,825 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:35:55,825 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:35:55,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:35:55,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:35:55,826 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:35:55,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:35:55,827 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:35:55,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:35:55,828 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan 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 -> Taipan 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 -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2018-12-08 20:35:55,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:35:55,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:35:55,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:35:55,854 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:35:55,854 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:35:55,855 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-12-08 20:35:55,889 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/data/e74d09057/e75f81ca268e4a6aab943ab35bf25729/FLAG6636ca5ac [2018-12-08 20:35:56,354 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:35:56,354 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-12-08 20:35:56,360 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/data/e74d09057/e75f81ca268e4a6aab943ab35bf25729/FLAG6636ca5ac [2018-12-08 20:35:56,369 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/data/e74d09057/e75f81ca268e4a6aab943ab35bf25729 [2018-12-08 20:35:56,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:35:56,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:35:56,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:35:56,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:35:56,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:35:56,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56, skipping insertion in model container [2018-12-08 20:35:56,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:35:56,402 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:35:56,572 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:35:56,575 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:35:56,659 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:35:56,668 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:35:56,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56 WrapperNode [2018-12-08 20:35:56,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:35:56,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:35:56,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:35:56,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:35:56,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:35:56,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:35:56,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:35:56,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:35:56,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... [2018-12-08 20:35:56,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:35:56,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:35:56,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:35:56,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:35:56,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:35:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:35:56,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:35:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 20:35:56,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 20:35:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:35:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:35:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:35:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:35:57,313 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:35:57,313 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 20:35:57,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:35:57 BoogieIcfgContainer [2018-12-08 20:35:57,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:35:57,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:35:57,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:35:57,316 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:35:57,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:35:56" (1/3) ... [2018-12-08 20:35:57,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:35:57, skipping insertion in model container [2018-12-08 20:35:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:35:56" (2/3) ... [2018-12-08 20:35:57,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:35:57, skipping insertion in model container [2018-12-08 20:35:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:35:57" (3/3) ... [2018-12-08 20:35:57,318 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-12-08 20:35:57,324 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:35:57,330 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:35:57,340 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:35:57,360 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:35:57,360 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:35:57,361 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:35:57,361 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:35:57,361 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:35:57,361 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:35:57,361 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:35:57,361 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:35:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 20:35:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 20:35:57,385 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:35:57,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:35:57,387 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:35:57,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:35:57,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2018-12-08 20:35:57,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:35:57,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:35:57,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:35:57,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:35:57,422 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:35:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:57,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:35:57,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 20:35:57,676 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:35:57,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 20:35:57,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 20:35:57,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:35:57,690 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2018-12-08 20:35:58,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:35:58,445 INFO L93 Difference]: Finished difference Result 784 states and 1369 transitions. [2018-12-08 20:35:58,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 20:35:58,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-08 20:35:58,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:35:58,455 INFO L225 Difference]: With dead ends: 784 [2018-12-08 20:35:58,455 INFO L226 Difference]: Without dead ends: 472 [2018-12-08 20:35:58,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:35:58,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-12-08 20:35:58,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 321. [2018-12-08 20:35:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-08 20:35:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 468 transitions. [2018-12-08 20:35:58,494 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 468 transitions. Word has length 99 [2018-12-08 20:35:58,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:35:58,494 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 468 transitions. [2018-12-08 20:35:58,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 20:35:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 468 transitions. [2018-12-08 20:35:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 20:35:58,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:35:58,497 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 20:35:58,497 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:35:58,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:35:58,497 INFO L82 PathProgramCache]: Analyzing trace with hash 30248894, now seen corresponding path program 1 times [2018-12-08 20:35:58,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:35:58,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:35:58,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:35:58,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:35:58,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:35:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:58,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:35:58,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:35:58,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:35:58,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:35:58,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:35:58,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:35:58,558 INFO L87 Difference]: Start difference. First operand 321 states and 468 transitions. Second operand 3 states. [2018-12-08 20:35:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:35:58,832 INFO L93 Difference]: Finished difference Result 934 states and 1385 transitions. [2018-12-08 20:35:58,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:35:58,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-08 20:35:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:35:58,835 INFO L225 Difference]: With dead ends: 934 [2018-12-08 20:35:58,835 INFO L226 Difference]: Without dead ends: 619 [2018-12-08 20:35:58,836 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:35:58,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-12-08 20:35:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 614. [2018-12-08 20:35:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-12-08 20:35:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 861 transitions. [2018-12-08 20:35:58,852 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 861 transitions. Word has length 107 [2018-12-08 20:35:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:35:58,853 INFO L480 AbstractCegarLoop]: Abstraction has 614 states and 861 transitions. [2018-12-08 20:35:58,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:35:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 861 transitions. [2018-12-08 20:35:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 20:35:58,855 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:35:58,855 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:35:58,855 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:35:58,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:35:58,855 INFO L82 PathProgramCache]: Analyzing trace with hash 183684818, now seen corresponding path program 1 times [2018-12-08 20:35:58,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:35:58,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:35:58,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:35:58,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:35:58,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:35:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 20:35:58,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:35:58,929 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:35:58,930 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-08 20:35:58,931 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:35:58,957 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:35:58,957 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:35:59,190 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:35:59,191 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Performed 1168 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1168 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-08 20:35:59,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:35:59,201 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:35:59,376 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.6% of their original sizes. [2018-12-08 20:35:59,377 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:35:59,414 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-08 20:35:59,414 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:35:59,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:35:59,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-12-08 20:35:59,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:35:59,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:35:59,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:35:59,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:35:59,415 INFO L87 Difference]: Start difference. First operand 614 states and 861 transitions. Second operand 7 states. [2018-12-08 20:36:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:36:00,921 INFO L93 Difference]: Finished difference Result 1370 states and 1931 transitions. [2018-12-08 20:36:00,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:36:00,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2018-12-08 20:36:00,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:36:00,924 INFO L225 Difference]: With dead ends: 1370 [2018-12-08 20:36:00,924 INFO L226 Difference]: Without dead ends: 762 [2018-12-08 20:36:00,926 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 20:36:00,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2018-12-08 20:36:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 760. [2018-12-08 20:36:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2018-12-08 20:36:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1015 transitions. [2018-12-08 20:36:00,947 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1015 transitions. Word has length 136 [2018-12-08 20:36:00,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:36:00,947 INFO L480 AbstractCegarLoop]: Abstraction has 760 states and 1015 transitions. [2018-12-08 20:36:00,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:36:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1015 transitions. [2018-12-08 20:36:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 20:36:00,950 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:36:00,950 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-08 20:36:00,950 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:36:00,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:00,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1462241987, now seen corresponding path program 1 times [2018-12-08 20:36:00,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:36:00,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:00,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:36:00,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:00,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:36:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:36:01,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:36:01,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:36:01,051 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-12-08 20:36:01,052 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:36:01,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:36:01,055 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:36:01,316 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:36:01,317 INFO L272 AbstractInterpreter]: Visited 104 different actions 305 times. Merged at 6 different actions 13 times. Never widened. Performed 3603 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3603 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 20:36:01,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:01,319 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:36:01,451 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 84.06% of their original sizes. [2018-12-08 20:36:01,451 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:36:01,496 INFO L418 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-12-08 20:36:01,497 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:36:01,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:36:01,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-08 20:36:01,497 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:36:01,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:36:01,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:36:01,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 20:36:01,498 INFO L87 Difference]: Start difference. First operand 760 states and 1015 transitions. Second operand 9 states. [2018-12-08 20:36:03,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:36:03,465 INFO L93 Difference]: Finished difference Result 2131 states and 2939 transitions. [2018-12-08 20:36:03,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 20:36:03,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2018-12-08 20:36:03,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:36:03,469 INFO L225 Difference]: With dead ends: 2131 [2018-12-08 20:36:03,469 INFO L226 Difference]: Without dead ends: 1377 [2018-12-08 20:36:03,470 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-08 20:36:03,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2018-12-08 20:36:03,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1353. [2018-12-08 20:36:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2018-12-08 20:36:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1759 transitions. [2018-12-08 20:36:03,498 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1759 transitions. Word has length 145 [2018-12-08 20:36:03,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:36:03,498 INFO L480 AbstractCegarLoop]: Abstraction has 1353 states and 1759 transitions. [2018-12-08 20:36:03,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:36:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1759 transitions. [2018-12-08 20:36:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 20:36:03,501 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:36:03,501 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 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] [2018-12-08 20:36:03,501 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:36:03,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:03,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1838882133, now seen corresponding path program 1 times [2018-12-08 20:36:03,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:36:03,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:03,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:36:03,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:03,502 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:36:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 101 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 20:36:03,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:36:03,591 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:36:03,591 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-12-08 20:36:03,592 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:36:03,595 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:36:03,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:36:03,698 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:36:03,698 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2306 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2306 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-08 20:36:03,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:03,699 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:36:03,871 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 80.62% of their original sizes. [2018-12-08 20:36:03,871 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:36:03,916 INFO L418 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-12-08 20:36:03,916 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:36:03,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:36:03,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 20:36:03,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:36:03,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:36:03,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:36:03,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:36:03,917 INFO L87 Difference]: Start difference. First operand 1353 states and 1759 transitions. Second operand 10 states. [2018-12-08 20:36:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:36:06,026 INFO L93 Difference]: Finished difference Result 2996 states and 3906 transitions. [2018-12-08 20:36:06,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 20:36:06,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2018-12-08 20:36:06,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:36:06,030 INFO L225 Difference]: With dead ends: 2996 [2018-12-08 20:36:06,030 INFO L226 Difference]: Without dead ends: 1649 [2018-12-08 20:36:06,031 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 20:36:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2018-12-08 20:36:06,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1500. [2018-12-08 20:36:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2018-12-08 20:36:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1905 transitions. [2018-12-08 20:36:06,049 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1905 transitions. Word has length 200 [2018-12-08 20:36:06,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:36:06,049 INFO L480 AbstractCegarLoop]: Abstraction has 1500 states and 1905 transitions. [2018-12-08 20:36:06,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:36:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1905 transitions. [2018-12-08 20:36:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 20:36:06,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:36:06,052 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-08 20:36:06,052 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:36:06,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:06,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1739595059, now seen corresponding path program 1 times [2018-12-08 20:36:06,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:36:06,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:06,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:36:06,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:06,053 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:36:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 20:36:06,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:36:06,121 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:36:06,122 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-12-08 20:36:06,122 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:36:06,123 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:36:06,123 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:36:06,247 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:36:06,247 INFO L272 AbstractInterpreter]: Visited 107 different actions 311 times. Merged at 7 different actions 16 times. Never widened. Performed 3848 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3848 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 20:36:06,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:06,249 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:36:06,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:36:06,249 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:36:06,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:36:06,256 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:36:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:06,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:36:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 20:36:06,367 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:36:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 20:36:06,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:36:06,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 20:36:06,473 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:36:06,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:36:06,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:36:06,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:36:06,474 INFO L87 Difference]: Start difference. First operand 1500 states and 1905 transitions. Second operand 9 states. [2018-12-08 20:36:08,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:36:08,031 INFO L93 Difference]: Finished difference Result 5643 states and 7481 transitions. [2018-12-08 20:36:08,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 20:36:08,032 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2018-12-08 20:36:08,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:36:08,040 INFO L225 Difference]: With dead ends: 5643 [2018-12-08 20:36:08,040 INFO L226 Difference]: Without dead ends: 2675 [2018-12-08 20:36:08,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 417 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-12-08 20:36:08,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2018-12-08 20:36:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2530. [2018-12-08 20:36:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2018-12-08 20:36:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 2966 transitions. [2018-12-08 20:36:08,095 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 2966 transitions. Word has length 204 [2018-12-08 20:36:08,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:36:08,095 INFO L480 AbstractCegarLoop]: Abstraction has 2530 states and 2966 transitions. [2018-12-08 20:36:08,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:36:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2966 transitions. [2018-12-08 20:36:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-08 20:36:08,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:36:08,100 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:36:08,101 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:36:08,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:08,101 INFO L82 PathProgramCache]: Analyzing trace with hash -382493489, now seen corresponding path program 1 times [2018-12-08 20:36:08,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:36:08,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:08,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:36:08,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:36:08,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:36:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 113 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:36:08,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:36:08,175 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:36:08,175 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-12-08 20:36:08,175 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:36:08,177 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:36:08,177 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:36:08,343 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:36:08,343 INFO L272 AbstractInterpreter]: Visited 107 different actions 414 times. Merged at 7 different actions 23 times. Never widened. Performed 5121 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 20:36:08,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:36:08,344 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:36:08,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:36:08,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:36:08,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:36:08,352 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:36:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:08,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:36:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 20:36:08,449 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:36:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 20:36:08,517 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:36:08,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-12-08 20:36:08,517 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:36:08,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 20:36:08,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 20:36:08,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-12-08 20:36:08,518 INFO L87 Difference]: Start difference. First operand 2530 states and 2966 transitions. Second operand 13 states. [2018-12-08 20:36:09,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:36:09,343 INFO L93 Difference]: Finished difference Result 4832 states and 5818 transitions. [2018-12-08 20:36:09,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-08 20:36:09,344 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2018-12-08 20:36:09,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:36:09,344 INFO L225 Difference]: With dead ends: 4832 [2018-12-08 20:36:09,344 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:36:09,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 449 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2018-12-08 20:36:09,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:36:09,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:36:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:36:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:36:09,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2018-12-08 20:36:09,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:36:09,352 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:36:09,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 20:36:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:36:09,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:36:09,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:36:09,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:36:09,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:36:09,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:36:09,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:36:09,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:36:09,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:36:09,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:36:09,967 WARN L180 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2018-12-08 20:36:10,078 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 20:36:10,167 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 20:36:10,168 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 20:36:10,169 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,170 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,171 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,172 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 20:36:10,173 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse18 (= 1 |old(~a11~0)|)) (.cse13 (not (= 1 ~a21~0))) (.cse14 (not (= 1 |old(~a19~0)|))) (.cse15 (= 0 |old(~a28~0)|)) (.cse16 (not (= 8 |old(~a17~0)|))) (.cse17 (= |calculate_output_#in~input| 0))) (let ((.cse9 (< 7 |old(~a17~0)|)) (.cse10 (or .cse13 .cse14 .cse15 .cse16 .cse17)) (.cse11 (= ~a19~0 1)) (.cse12 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (not .cse18)) (.cse8 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (= 1 ~a11~0)) (.cse2 (= |old(~a17~0)| ~a17~0)) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= 8 |old(~a28~0)|)) (.cse6 (< 8 |old(~a17~0)|)) (.cse3 (= 1 ~a25~0)) (.cse0 (not (= 1 |old(~a25~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse0 (and .cse8 .cse1 .cse3) .cse7 .cse9) (or .cse10 .cse5 .cse11) (or .cse12 .cse0 .cse3 .cse7) (or .cse5 (and .cse1 .cse2 .cse4) .cse7 .cse9) (or .cse10 (and (not (= ~a28~0 0)) .cse1 (= ~a17~0 8) .cse11) .cse7) (or .cse13 .cse0 .cse14 .cse11 .cse15 .cse16 .cse17) (or .cse12 .cse7 (and .cse8 .cse1 (not (= 1 ~a19~0)))) (or .cse18 .cse6 (and (= ~a11~0 |old(~a11~0)|) .cse2 .cse4)) (or .cse13 .cse14 .cse15 (= ~a25~0 0) .cse5 (not (= 0 |old(~a11~0)|)) .cse16 .cse17 (not (= 0 |old(~a25~0)|))) (or .cse3 .cse6 (or .cse18 .cse0)) (or .cse3 .cse13 .cse0 .cse16 .cse17)))) [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 20:36:10,174 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 20:36:10,175 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 20:36:10,176 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-08 20:36:10,177 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-08 20:36:10,177 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and (not (= ~a28~0 0)) .cse0 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse3 (not (= ~a28~0 8))) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a11~0)) (.cse1 (= 1 ~a25~0)) (.cse5 (not (= ~a28~0 8))) (.cse4 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse2 .cse3) (and (= ~a11~0 |old(~a11~0)|) .cse4) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) .cse2 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3) (and .cse2 .cse1 .cse5 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 20:36:10,177 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 20:36:10,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:36:10 BoogieIcfgContainer [2018-12-08 20:36:10,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:36:10,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:36:10,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:36:10,184 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:36:10,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:35:57" (3/4) ... [2018-12-08 20:36:10,186 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:36:10,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:36:10,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 20:36:10,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:36:10,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 20:36:10,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:36:10,213 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) [2018-12-08 20:36:10,265 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c02d19f1-6ad0-402d-ba7e-af263cd1d026/bin-2019/utaipan/witness.graphml [2018-12-08 20:36:10,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:36:10,266 INFO L168 Benchmark]: Toolchain (without parser) took 13894.80 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 764.9 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -84.2 MB). Peak memory consumption was 680.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:36:10,266 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:36:10,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:36:10,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:36:10,266 INFO L168 Benchmark]: Boogie Preprocessor took 37.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:36:10,267 INFO L168 Benchmark]: RCFGBuilder took 588.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:36:10,267 INFO L168 Benchmark]: TraceAbstraction took 12869.28 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 623.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -39.7 MB). Peak memory consumption was 583.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:36:10,267 INFO L168 Benchmark]: Witness Printer took 81.45 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-08 20:36:10,268 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 588.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12869.28 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 623.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -39.7 MB). Peak memory consumption was 583.7 MB. Max. memory is 11.5 GB. * Witness Printer took 81.45 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 9.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 810 SDtfs, 5555 SDslu, 595 SDs, 0 SdLazy, 7162 SolverSat, 1734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1434 GetRequests, 1329 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2530occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.996589661127128 AbsIntWeakeningRatio, 0.24476987447698745 AbsIntAvgWeakeningVarsNumRemoved, 26.12133891213389 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 476 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 147 NumberOfFragments, 551 HoareAnnotationTreeSize, 85 FomulaSimplifications, 3496 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2073 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1531 NumberOfCodeBlocks, 1531 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1942 ConstructedInterpolants, 0 QuantifiedInterpolants, 815253 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1028 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1035/1172 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...