./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label59_true-unreach-call.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_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/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 fa9f7121969fd508bfc2a70123a715e64e895bca .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:52:18,931 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:52:18,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:52:18,938 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:52:18,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:52:18,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:52:18,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:52:18,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:52:18,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:52:18,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:52:18,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:52:18,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:52:18,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:52:18,944 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:52:18,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:52:18,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:52:18,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:52:18,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:52:18,947 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:52:18,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:52:18,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:52:18,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:52:18,950 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:52:18,950 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:52:18,950 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:52:18,951 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:52:18,951 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:52:18,952 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:52:18,952 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:52:18,953 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:52:18,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:52:18,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:52:18,953 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:52:18,954 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:52:18,954 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:52:18,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:52:18,955 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 23:52:18,962 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:52:18,962 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:52:18,963 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:52:18,963 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 23:52:18,963 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 23:52:18,963 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 23:52:18,963 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 23:52:18,963 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 23:52:18,964 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 23:52:18,964 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 23:52:18,964 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 23:52:18,964 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 23:52:18,964 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 23:52:18,964 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:52:18,964 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:52:18,965 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:52:18,965 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:52:18,966 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:52:18,966 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 23:52:18,967 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_b111a51b-cdcf-40b1-b117-91557c136f68/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 -> fa9f7121969fd508bfc2a70123a715e64e895bca [2018-12-02 23:52:18,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:52:18,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:52:18,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:52:18,994 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:52:18,994 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:52:18,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label59_true-unreach-call.c [2018-12-02 23:52:19,029 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/data/f59896b67/28e6f063125240218c3c1553da610adc/FLAGc9fa0c4ec [2018-12-02 23:52:19,476 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:52:19,477 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/sv-benchmarks/c/eca-rers2012/Problem16_label59_true-unreach-call.c [2018-12-02 23:52:19,486 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/data/f59896b67/28e6f063125240218c3c1553da610adc/FLAGc9fa0c4ec [2018-12-02 23:52:19,495 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/data/f59896b67/28e6f063125240218c3c1553da610adc [2018-12-02 23:52:19,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:52:19,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:52:19,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:52:19,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:52:19,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:52:19,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:19" (1/1) ... [2018-12-02 23:52:19,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643265e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:19, skipping insertion in model container [2018-12-02 23:52:19,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:19" (1/1) ... [2018-12-02 23:52:19,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:52:19,547 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:52:19,839 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:52:19,842 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:52:20,049 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:52:20,059 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:52:20,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20 WrapperNode [2018-12-02 23:52:20,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:52:20,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:52:20,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:52:20,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:52:20,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:52:20,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:52:20,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:52:20,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:52:20,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... [2018-12-02 23:52:20,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:52:20,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:52:20,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:52:20,141 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:52:20,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/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 [2018-12-02 23:52:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 23:52:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 23:52:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 23:52:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 23:52:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 23:52:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 23:52:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:52:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:52:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 23:52:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 23:52:21,455 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:52:21,455 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 23:52:21,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:21 BoogieIcfgContainer [2018-12-02 23:52:21,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:52:21,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 23:52:21,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 23:52:21,459 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 23:52:21,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:52:19" (1/3) ... [2018-12-02 23:52:21,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:52:21, skipping insertion in model container [2018-12-02 23:52:21,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:20" (2/3) ... [2018-12-02 23:52:21,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:52:21, skipping insertion in model container [2018-12-02 23:52:21,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:21" (3/3) ... [2018-12-02 23:52:21,463 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label59_true-unreach-call.c [2018-12-02 23:52:21,471 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 23:52:21,479 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 23:52:21,492 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 23:52:21,522 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 23:52:21,523 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 23:52:21,523 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 23:52:21,523 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:52:21,523 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:52:21,523 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 23:52:21,523 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:52:21,523 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 23:52:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 23:52:21,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 23:52:21,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:21,551 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] [2018-12-02 23:52:21,553 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:21,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:21,558 INFO L82 PathProgramCache]: Analyzing trace with hash 441103245, now seen corresponding path program 1 times [2018-12-02 23:52:21,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:21,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:21,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:21,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:21,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:21,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:52:21,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 23:52:21,758 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:21,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 23:52:21,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 23:52:21,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 23:52:21,771 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-12-02 23:52:23,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:23,593 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-12-02 23:52:23,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 23:52:23,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-12-02 23:52:23,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:23,611 INFO L225 Difference]: With dead ends: 1509 [2018-12-02 23:52:23,612 INFO L226 Difference]: Without dead ends: 1019 [2018-12-02 23:52:23,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 23:52:23,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-12-02 23:52:23,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 682. [2018-12-02 23:52:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 23:52:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1190 transitions. [2018-12-02 23:52:23,683 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1190 transitions. Word has length 50 [2018-12-02 23:52:23,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:23,684 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1190 transitions. [2018-12-02 23:52:23,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 23:52:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1190 transitions. [2018-12-02 23:52:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 23:52:23,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:23,688 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:23,689 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:23,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:23,689 INFO L82 PathProgramCache]: Analyzing trace with hash -233546559, now seen corresponding path program 1 times [2018-12-02 23:52:23,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:23,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:23,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:23,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:23,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:23,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:52:23,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 23:52:23,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:23,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 23:52:23,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 23:52:23,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 23:52:23,823 INFO L87 Difference]: Start difference. First operand 682 states and 1190 transitions. Second operand 5 states. [2018-12-02 23:52:25,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:25,094 INFO L93 Difference]: Finished difference Result 2068 states and 3645 transitions. [2018-12-02 23:52:25,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 23:52:25,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2018-12-02 23:52:25,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:25,099 INFO L225 Difference]: With dead ends: 2068 [2018-12-02 23:52:25,100 INFO L226 Difference]: Without dead ends: 1392 [2018-12-02 23:52:25,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 23:52:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-12-02 23:52:25,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1374. [2018-12-02 23:52:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2018-12-02 23:52:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2277 transitions. [2018-12-02 23:52:25,133 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2277 transitions. Word has length 119 [2018-12-02 23:52:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:25,134 INFO L480 AbstractCegarLoop]: Abstraction has 1374 states and 2277 transitions. [2018-12-02 23:52:25,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 23:52:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2277 transitions. [2018-12-02 23:52:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 23:52:25,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:25,135 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:25,136 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:25,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:25,136 INFO L82 PathProgramCache]: Analyzing trace with hash -702025816, now seen corresponding path program 1 times [2018-12-02 23:52:25,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:25,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:25,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:25,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:25,137 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:25,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:52:25,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 23:52:25,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:25,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 23:52:25,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:52:25,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:52:25,207 INFO L87 Difference]: Start difference. First operand 1374 states and 2277 transitions. Second operand 6 states. [2018-12-02 23:52:26,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:26,515 INFO L93 Difference]: Finished difference Result 3463 states and 5746 transitions. [2018-12-02 23:52:26,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 23:52:26,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-12-02 23:52:26,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:26,522 INFO L225 Difference]: With dead ends: 3463 [2018-12-02 23:52:26,522 INFO L226 Difference]: Without dead ends: 2095 [2018-12-02 23:52:26,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 23:52:26,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-02 23:52:26,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2077. [2018-12-02 23:52:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2077 states. [2018-12-02 23:52:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 3299 transitions. [2018-12-02 23:52:26,557 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 3299 transitions. Word has length 122 [2018-12-02 23:52:26,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:26,558 INFO L480 AbstractCegarLoop]: Abstraction has 2077 states and 3299 transitions. [2018-12-02 23:52:26,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 23:52:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 3299 transitions. [2018-12-02 23:52:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 23:52:26,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:26,559 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:26,559 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:26,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:26,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1139332729, now seen corresponding path program 1 times [2018-12-02 23:52:26,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:26,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:26,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:26,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:26,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:26,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:52:26,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 23:52:26,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:26,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 23:52:26,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:52:26,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:52:26,640 INFO L87 Difference]: Start difference. First operand 2077 states and 3299 transitions. Second operand 6 states. [2018-12-02 23:52:27,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:27,703 INFO L93 Difference]: Finished difference Result 4874 states and 7768 transitions. [2018-12-02 23:52:27,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 23:52:27,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-02 23:52:27,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:27,710 INFO L225 Difference]: With dead ends: 4874 [2018-12-02 23:52:27,710 INFO L226 Difference]: Without dead ends: 2803 [2018-12-02 23:52:27,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 23:52:27,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2018-12-02 23:52:27,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2790. [2018-12-02 23:52:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2018-12-02 23:52:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 4061 transitions. [2018-12-02 23:52:27,752 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 4061 transitions. Word has length 123 [2018-12-02 23:52:27,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:27,753 INFO L480 AbstractCegarLoop]: Abstraction has 2790 states and 4061 transitions. [2018-12-02 23:52:27,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 23:52:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 4061 transitions. [2018-12-02 23:52:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 23:52:27,754 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:27,754 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:27,754 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:27,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:27,755 INFO L82 PathProgramCache]: Analyzing trace with hash 721853152, now seen corresponding path program 1 times [2018-12-02 23:52:27,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:27,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:27,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:27,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:27,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:27,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:52:27,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 23:52:27,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:27,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 23:52:27,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:52:27,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:52:27,820 INFO L87 Difference]: Start difference. First operand 2790 states and 4061 transitions. Second operand 6 states. [2018-12-02 23:52:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:29,107 INFO L93 Difference]: Finished difference Result 7362 states and 11039 transitions. [2018-12-02 23:52:29,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 23:52:29,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-02 23:52:29,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:29,117 INFO L225 Difference]: With dead ends: 7362 [2018-12-02 23:52:29,117 INFO L226 Difference]: Without dead ends: 4578 [2018-12-02 23:52:29,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-02 23:52:29,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2018-12-02 23:52:29,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4526. [2018-12-02 23:52:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4526 states. [2018-12-02 23:52:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 4526 states and 6572 transitions. [2018-12-02 23:52:29,190 INFO L78 Accepts]: Start accepts. Automaton has 4526 states and 6572 transitions. Word has length 126 [2018-12-02 23:52:29,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:29,191 INFO L480 AbstractCegarLoop]: Abstraction has 4526 states and 6572 transitions. [2018-12-02 23:52:29,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 23:52:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 4526 states and 6572 transitions. [2018-12-02 23:52:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 23:52:29,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:29,192 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:29,192 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:29,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:29,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1023749808, now seen corresponding path program 1 times [2018-12-02 23:52:29,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:29,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:29,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:29,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:29,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:29,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:52:29,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 23:52:29,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:29,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 23:52:29,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:52:29,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:52:29,284 INFO L87 Difference]: Start difference. First operand 4526 states and 6572 transitions. Second operand 6 states. [2018-12-02 23:52:30,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:30,828 INFO L93 Difference]: Finished difference Result 12150 states and 17943 transitions. [2018-12-02 23:52:30,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 23:52:30,828 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-02 23:52:30,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:30,842 INFO L225 Difference]: With dead ends: 12150 [2018-12-02 23:52:30,843 INFO L226 Difference]: Without dead ends: 7630 [2018-12-02 23:52:30,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 23:52:30,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7630 states. [2018-12-02 23:52:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7630 to 6239. [2018-12-02 23:52:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6239 states. [2018-12-02 23:52:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6239 states to 6239 states and 8457 transitions. [2018-12-02 23:52:30,929 INFO L78 Accepts]: Start accepts. Automaton has 6239 states and 8457 transitions. Word has length 134 [2018-12-02 23:52:30,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:30,930 INFO L480 AbstractCegarLoop]: Abstraction has 6239 states and 8457 transitions. [2018-12-02 23:52:30,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 23:52:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 8457 transitions. [2018-12-02 23:52:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 23:52:30,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:30,930 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:30,931 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:30,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:30,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1718542795, now seen corresponding path program 1 times [2018-12-02 23:52:30,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:30,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:30,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:30,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:30,932 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:31,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:52:31,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:52:31,008 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-12-02 23:52:31,009 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 23:52:31,042 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:52:31,042 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:52:31,397 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 23:52:31,398 INFO L272 AbstractInterpreter]: Visited 99 different actions 283 times. Merged at 4 different actions 7 times. Never widened. Performed 2542 root evaluator evaluations with a maximum evaluation depth of 7. Performed 2542 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 23:52:31,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:31,407 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 23:52:31,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:52:31,408 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/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 [2018-12-02 23:52:31,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:31,416 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 23:52:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:31,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:52:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:31,518 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 23:52:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:31,564 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 23:52:31,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2018-12-02 23:52:31,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:31,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 23:52:31,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 23:52:31,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:52:31,565 INFO L87 Difference]: Start difference. First operand 6239 states and 8457 transitions. Second operand 3 states. [2018-12-02 23:52:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:32,584 INFO L93 Difference]: Finished difference Result 13496 states and 18136 transitions. [2018-12-02 23:52:32,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 23:52:32,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-12-02 23:52:32,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:32,601 INFO L225 Difference]: With dead ends: 13496 [2018-12-02 23:52:32,601 INFO L226 Difference]: Without dead ends: 6203 [2018-12-02 23:52:32,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:52:32,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6203 states. [2018-12-02 23:52:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6203 to 6203. [2018-12-02 23:52:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6203 states. [2018-12-02 23:52:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6203 states to 6203 states and 6929 transitions. [2018-12-02 23:52:32,726 INFO L78 Accepts]: Start accepts. Automaton has 6203 states and 6929 transitions. Word has length 141 [2018-12-02 23:52:32,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:32,726 INFO L480 AbstractCegarLoop]: Abstraction has 6203 states and 6929 transitions. [2018-12-02 23:52:32,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 23:52:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 6203 states and 6929 transitions. [2018-12-02 23:52:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 23:52:32,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:32,728 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:32,728 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:32,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:32,728 INFO L82 PathProgramCache]: Analyzing trace with hash 898320404, now seen corresponding path program 1 times [2018-12-02 23:52:32,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:32,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:32,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:32,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:32,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:52:32,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:52:32,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 23:52:32,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:32,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 23:52:32,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 23:52:32,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 23:52:32,799 INFO L87 Difference]: Start difference. First operand 6203 states and 6929 transitions. Second operand 4 states. [2018-12-02 23:52:33,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:52:33,878 INFO L93 Difference]: Finished difference Result 17822 states and 20166 transitions. [2018-12-02 23:52:33,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 23:52:33,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 212 [2018-12-02 23:52:33,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:52:33,902 INFO L225 Difference]: With dead ends: 17822 [2018-12-02 23:52:33,903 INFO L226 Difference]: Without dead ends: 11625 [2018-12-02 23:52:33,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 23:52:33,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11625 states. [2018-12-02 23:52:34,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11625 to 11286. [2018-12-02 23:52:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11286 states. [2018-12-02 23:52:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11286 states to 11286 states and 12534 transitions. [2018-12-02 23:52:34,025 INFO L78 Accepts]: Start accepts. Automaton has 11286 states and 12534 transitions. Word has length 212 [2018-12-02 23:52:34,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:52:34,025 INFO L480 AbstractCegarLoop]: Abstraction has 11286 states and 12534 transitions. [2018-12-02 23:52:34,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 23:52:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 11286 states and 12534 transitions. [2018-12-02 23:52:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2018-12-02 23:52:34,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:52:34,039 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:52:34,039 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:52:34,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:34,039 INFO L82 PathProgramCache]: Analyzing trace with hash 2143846190, now seen corresponding path program 1 times [2018-12-02 23:52:34,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:52:34,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:34,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:52:34,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:52:34,040 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:52:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:52:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 293 proven. 223 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-12-02 23:52:34,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:52:34,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:52:34,320 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 670 with the following transitions: [2018-12-02 23:52:34,320 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1456], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 23:52:34,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:52:34,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:52:34,510 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 23:52:34,511 INFO L272 AbstractInterpreter]: Visited 272 different actions 272 times. Never merged. Never widened. Performed 2948 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2948 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 23:52:34,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:52:34,515 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 23:52:34,987 INFO L227 lantSequenceWeakener]: Weakened 654 states. On average, predicates are now at 77.52% of their original sizes. [2018-12-02 23:52:34,987 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 23:52:35,022 INFO L418 sIntCurrentIteration]: We unified 668 AI predicates to 668 [2018-12-02 23:52:35,023 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 23:52:35,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 23:52:35,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 23:52:35,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:52:35,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 23:52:35,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:52:35,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:52:35,024 INFO L87 Difference]: Start difference. First operand 11286 states and 12534 transitions. Second operand 6 states. [2018-12-02 23:53:22,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:53:22,588 INFO L93 Difference]: Finished difference Result 22904 states and 25424 transitions. [2018-12-02 23:53:22,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 23:53:22,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 669 [2018-12-02 23:53:22,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:53:22,603 INFO L225 Difference]: With dead ends: 22904 [2018-12-02 23:53:22,603 INFO L226 Difference]: Without dead ends: 11624 [2018-12-02 23:53:22,610 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 669 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 23:53:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11624 states. [2018-12-02 23:53:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11624 to 11623. [2018-12-02 23:53:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11623 states. [2018-12-02 23:53:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11623 states to 11623 states and 12875 transitions. [2018-12-02 23:53:22,717 INFO L78 Accepts]: Start accepts. Automaton has 11623 states and 12875 transitions. Word has length 669 [2018-12-02 23:53:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:53:22,718 INFO L480 AbstractCegarLoop]: Abstraction has 11623 states and 12875 transitions. [2018-12-02 23:53:22,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 23:53:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 11623 states and 12875 transitions. [2018-12-02 23:53:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2018-12-02 23:53:22,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:53:22,739 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 23:53:22,739 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:53:22,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:53:22,739 INFO L82 PathProgramCache]: Analyzing trace with hash -699169554, now seen corresponding path program 1 times [2018-12-02 23:53:22,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:53:22,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:53:22,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:53:22,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:53:22,740 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:53:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:53:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 462 proven. 223 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2018-12-02 23:53:23,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:53:23,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:53:23,108 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 909 with the following transitions: [2018-12-02 23:53:23,109 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1456], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 23:53:23,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:53:23,113 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:53:23,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 23:53:23,638 INFO L272 AbstractInterpreter]: Visited 277 different actions 1108 times. Merged at 9 different actions 32 times. Widened at 1 different actions 1 times. Performed 13364 root evaluator evaluations with a maximum evaluation depth of 18. Performed 13364 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 23:53:23,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:53:23,642 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 23:53:23,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:53:23,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/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 [2018-12-02 23:53:23,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:53:23,650 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 23:53:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:53:23,773 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:53:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 1171 proven. 2 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-12-02 23:53:23,976 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 23:53:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 462 proven. 223 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2018-12-02 23:53:24,290 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 23:53:24,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 23:53:24,290 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 23:53:24,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 23:53:24,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 23:53:24,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 23:53:24,291 INFO L87 Difference]: Start difference. First operand 11623 states and 12875 transitions. Second operand 9 states. [2018-12-02 23:53:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:53:26,200 INFO L93 Difference]: Finished difference Result 26178 states and 29805 transitions. [2018-12-02 23:53:26,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 23:53:26,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 908 [2018-12-02 23:53:26,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:53:26,225 INFO L225 Difference]: With dead ends: 26178 [2018-12-02 23:53:26,225 INFO L226 Difference]: Without dead ends: 14898 [2018-12-02 23:53:26,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1837 GetRequests, 1819 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 23:53:26,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14898 states. [2018-12-02 23:53:26,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14898 to 11789. [2018-12-02 23:53:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11789 states. [2018-12-02 23:53:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11789 states to 11789 states and 13064 transitions. [2018-12-02 23:53:26,380 INFO L78 Accepts]: Start accepts. Automaton has 11789 states and 13064 transitions. Word has length 908 [2018-12-02 23:53:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:53:26,380 INFO L480 AbstractCegarLoop]: Abstraction has 11789 states and 13064 transitions. [2018-12-02 23:53:26,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 23:53:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 11789 states and 13064 transitions. [2018-12-02 23:53:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1251 [2018-12-02 23:53:26,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:53:26,399 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 23:53:26,399 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:53:26,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:53:26,399 INFO L82 PathProgramCache]: Analyzing trace with hash 945933775, now seen corresponding path program 1 times [2018-12-02 23:53:26,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:53:26,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:53:26,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:53:26,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:53:26,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:53:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:53:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2688 backedges. 511 proven. 1352 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-12-02 23:53:28,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:53:28,021 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:53:28,022 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1251 with the following transitions: [2018-12-02 23:53:28,022 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1456], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 23:53:28,025 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:53:28,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:53:28,258 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 23:53:28,258 INFO L272 AbstractInterpreter]: Visited 277 different actions 548 times. Merged at 4 different actions 4 times. Never widened. Performed 5981 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 23:53:28,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:53:28,260 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 23:53:28,891 INFO L227 lantSequenceWeakener]: Weakened 1247 states. On average, predicates are now at 77.43% of their original sizes. [2018-12-02 23:53:28,891 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 23:53:28,943 INFO L418 sIntCurrentIteration]: We unified 1249 AI predicates to 1249 [2018-12-02 23:53:28,943 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 23:53:28,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 23:53:28,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-02 23:53:28,944 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:53:28,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 23:53:28,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 23:53:28,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 23:53:28,945 INFO L87 Difference]: Start difference. First operand 11789 states and 13064 transitions. Second operand 10 states. [2018-12-02 23:54:16,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:54:16,971 INFO L93 Difference]: Finished difference Result 23576 states and 26134 transitions. [2018-12-02 23:54:16,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 23:54:16,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1250 [2018-12-02 23:54:16,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:54:16,992 INFO L225 Difference]: With dead ends: 23576 [2018-12-02 23:54:16,992 INFO L226 Difference]: Without dead ends: 12130 [2018-12-02 23:54:17,007 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 1257 GetRequests, 1241 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 23:54:17,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12130 states. [2018-12-02 23:54:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12130 to 12128. [2018-12-02 23:54:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12128 states. [2018-12-02 23:54:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12128 states to 12128 states and 13406 transitions. [2018-12-02 23:54:17,128 INFO L78 Accepts]: Start accepts. Automaton has 12128 states and 13406 transitions. Word has length 1250 [2018-12-02 23:54:17,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:54:17,129 INFO L480 AbstractCegarLoop]: Abstraction has 12128 states and 13406 transitions. [2018-12-02 23:54:17,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 23:54:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12128 states and 13406 transitions. [2018-12-02 23:54:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1259 [2018-12-02 23:54:17,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:54:17,146 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 23:54:17,146 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:54:17,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:17,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1879603105, now seen corresponding path program 1 times [2018-12-02 23:54:17,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:54:17,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:17,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:17,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:54:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 569 proven. 1175 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2018-12-02 23:54:17,978 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:54:17,978 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:54:17,978 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1259 with the following transitions: [2018-12-02 23:54:17,978 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1456], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 23:54:17,981 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:54:17,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:54:18,274 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 23:54:18,274 INFO L272 AbstractInterpreter]: Visited 278 different actions 820 times. Merged at 4 different actions 7 times. Never widened. Performed 9746 root evaluator evaluations with a maximum evaluation depth of 15. Performed 9746 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 23:54:18,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:18,277 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 23:54:18,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:54:18,277 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 23:54:18,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:18,306 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 23:54:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:18,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:54:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 1873 proven. 2 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2018-12-02 23:54:18,821 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 23:54:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 712 proven. 250 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2018-12-02 23:54:19,341 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 23:54:19,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-02 23:54:19,341 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 23:54:19,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 23:54:19,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 23:54:19,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-02 23:54:19,342 INFO L87 Difference]: Start difference. First operand 12128 states and 13406 transitions. Second operand 12 states. [2018-12-02 23:54:21,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:54:21,099 INFO L93 Difference]: Finished difference Result 23608 states and 26161 transitions. [2018-12-02 23:54:21,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 23:54:21,099 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1258 [2018-12-02 23:54:21,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:54:21,116 INFO L225 Difference]: With dead ends: 23608 [2018-12-02 23:54:21,117 INFO L226 Difference]: Without dead ends: 12162 [2018-12-02 23:54:21,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2554 GetRequests, 2526 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2018-12-02 23:54:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12162 states. [2018-12-02 23:54:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12162 to 11813. [2018-12-02 23:54:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11813 states. [2018-12-02 23:54:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11813 states to 11813 states and 12742 transitions. [2018-12-02 23:54:21,245 INFO L78 Accepts]: Start accepts. Automaton has 11813 states and 12742 transitions. Word has length 1258 [2018-12-02 23:54:21,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:54:21,245 INFO L480 AbstractCegarLoop]: Abstraction has 11813 states and 12742 transitions. [2018-12-02 23:54:21,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 23:54:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 11813 states and 12742 transitions. [2018-12-02 23:54:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2018-12-02 23:54:21,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:54:21,260 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 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] [2018-12-02 23:54:21,260 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:54:21,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:21,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1645899673, now seen corresponding path program 1 times [2018-12-02 23:54:21,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:54:21,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:21,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:21,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:21,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:54:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 922 proven. 265 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2018-12-02 23:54:23,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:54:23,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:54:23,483 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1280 with the following transitions: [2018-12-02 23:54:23,483 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1456], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 23:54:23,485 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:54:23,486 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:54:23,798 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 23:54:23,798 INFO L272 AbstractInterpreter]: Visited 285 different actions 841 times. Merged at 4 different actions 7 times. Never widened. Performed 10049 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10049 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 23:54:23,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:23,800 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 23:54:23,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:54:23,800 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 23:54:23,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:23,806 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 23:54:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:23,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:54:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 2272 trivial. 0 not checked. [2018-12-02 23:54:24,325 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 23:54:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 2272 trivial. 0 not checked. [2018-12-02 23:54:24,731 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 23:54:24,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [11] total 13 [2018-12-02 23:54:24,732 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:54:24,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 23:54:24,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 23:54:24,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 23:54:24,733 INFO L87 Difference]: Start difference. First operand 11813 states and 12742 transitions. Second operand 3 states. [2018-12-02 23:54:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:54:25,330 INFO L93 Difference]: Finished difference Result 24649 states and 26573 transitions. [2018-12-02 23:54:25,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 23:54:25,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1279 [2018-12-02 23:54:25,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:54:25,348 INFO L225 Difference]: With dead ends: 24649 [2018-12-02 23:54:25,348 INFO L226 Difference]: Without dead ends: 11442 [2018-12-02 23:54:25,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2569 GetRequests, 2557 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 23:54:25,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11442 states. [2018-12-02 23:54:25,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11442 to 11101. [2018-12-02 23:54:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11101 states. [2018-12-02 23:54:25,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11101 states to 11101 states and 11839 transitions. [2018-12-02 23:54:25,471 INFO L78 Accepts]: Start accepts. Automaton has 11101 states and 11839 transitions. Word has length 1279 [2018-12-02 23:54:25,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:54:25,471 INFO L480 AbstractCegarLoop]: Abstraction has 11101 states and 11839 transitions. [2018-12-02 23:54:25,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 23:54:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 11101 states and 11839 transitions. [2018-12-02 23:54:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1658 [2018-12-02 23:54:25,492 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:54:25,493 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:54:25,493 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:54:25,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:25,493 INFO L82 PathProgramCache]: Analyzing trace with hash 683346205, now seen corresponding path program 1 times [2018-12-02 23:54:25,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:54:25,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:25,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:25,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:54:25,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:54:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4641 backedges. 1032 proven. 639 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2018-12-02 23:54:28,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:54:28,457 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:54:28,457 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1658 with the following transitions: [2018-12-02 23:54:28,457 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [487], [489], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1320], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 23:54:28,460 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:54:28,460 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:54:28,764 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 23:54:28,764 INFO L272 AbstractInterpreter]: Visited 287 different actions 847 times. Merged at 4 different actions 7 times. Never widened. Performed 10048 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 23:54:28,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:54:28,767 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 23:54:28,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:54:28,767 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 23:54:28,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:54:28,773 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 23:54:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:54:28,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:54:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4641 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 4322 trivial. 0 not checked. [2018-12-02 23:54:29,565 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 23:54:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4641 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 4322 trivial. 0 not checked. [2018-12-02 23:54:30,192 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 23:54:30,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [11] total 12 [2018-12-02 23:54:30,192 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:54:30,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 23:54:30,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 23:54:30,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-12-02 23:54:30,193 INFO L87 Difference]: Start difference. First operand 11101 states and 11839 transitions. Second operand 3 states. [2018-12-02 23:54:30,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:54:30,758 INFO L93 Difference]: Finished difference Result 22541 states and 24069 transitions. [2018-12-02 23:54:30,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 23:54:30,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1657 [2018-12-02 23:54:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:54:30,759 INFO L225 Difference]: With dead ends: 22541 [2018-12-02 23:54:30,760 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 23:54:30,775 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3325 GetRequests, 3312 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-12-02 23:54:30,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 23:54:30,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 23:54:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 23:54:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 23:54:30,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1657 [2018-12-02 23:54:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:54:30,776 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 23:54:30,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 23:54:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 23:54:30,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 23:54:30,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 23:54:30,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:30,990 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 189 [2018-12-02 23:54:31,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:54:31,366 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 196 [2018-12-02 23:54:31,757 WARN L180 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 64 [2018-12-02 23:54:32,860 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 248 DAG size of output: 85 [2018-12-02 23:54:34,639 WARN L180 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 242 DAG size of output: 83 [2018-12-02 23:54:35,578 WARN L180 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 90 [2018-12-02 23:54:35,950 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2018-12-02 23:54:35,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:54:35,952 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 23:54:35,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:54:35,952 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,952 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 23:54:35,952 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,952 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,952 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,953 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,954 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse10 (< 0 (+ ~a18~0 156))) (.cse2 (= |old(~a16~0)| ~a16~0)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse5 (= 5 |old(~a12~0)|)) (.cse7 (= 7 |old(~a12~0)|))) (let ((.cse0 (< 8 |old(~a16~0)|)) (.cse6 (= 12 |old(~a16~0)|)) (.cse11 (< 7 |old(~a12~0)|)) (.cse14 (not .cse7)) (.cse17 (not .cse5)) (.cse20 (= (+ ~a18~0 87) 0)) (.cse16 (not (= 3 |old(~a15~0)|))) (.cse18 (not (= (+ |old(~a18~0)| 87) 0))) (.cse12 (= 6 |old(~a12~0)|)) (.cse19 (not (= 11 |old(~a16~0)|))) (.cse21 (< 10 |old(~a16~0)|)) (.cse13 (not (= 9 |old(~a12~0)|))) (.cse1 (and .cse2 .cse3 .cse4)) (.cse22 (and .cse2 .cse10 .cse3 .cse4)) (.cse9 (<= (+ |old(~a18~0)| 156) 0)) (.cse8 (= 4 |old(~a15~0)|)) (.cse15 (= 10 |old(~a16~0)|))) (and (or .cse0 .cse1) (or (and (and .cse2 .cse3) .cse4) (or .cse5 (or .cse6 .cse7 .cse8))) (or .cse9 .cse10 .cse7 .cse0 .cse11) (or .cse12 .cse9 .cse7 .cse8 .cse10) (or .cse9 .cse10 .cse0 .cse13) (or (or .cse6 .cse8 .cse14 .cse15) (and .cse2 (= 7 ~a12~0) .cse3)) (or .cse16 .cse17 .cse18 .cse19 .cse20) (or .cse7 .cse1 .cse21 .cse11) (or .cse12 .cse7 .cse8 .cse5 .cse1) (or (or .cse14 .cse15) .cse21 .cse1) (or .cse12 .cse9 .cse7 .cse22 .cse15 (= 8 |old(~a16~0)|) .cse21) (or .cse9 .cse17 .cse10 .cse21) (or .cse20 (or .cse16 .cse18 (not .cse12) .cse19)) (or .cse15 .cse21 .cse13 .cse1) (or .cse22 .cse9 .cse8 .cse15)))) [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,955 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 23:54:35,956 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse5 (= 5 |old(~a12~0)|)) (.cse10 (< 0 (+ ~a18~0 156))) (.cse2 (= |old(~a16~0)| ~a16~0)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse7 (= 7 |old(~a12~0)|))) (let ((.cse0 (< 8 |old(~a16~0)|)) (.cse6 (= 12 |old(~a16~0)|)) (.cse11 (< 7 |old(~a12~0)|)) (.cse14 (not .cse7)) (.cse12 (= 6 |old(~a12~0)|)) (.cse22 (< 10 |old(~a16~0)|)) (.cse13 (not (= 9 |old(~a12~0)|))) (.cse1 (and .cse2 .cse3 .cse4)) (.cse23 (and .cse2 .cse10 .cse3 .cse4)) (.cse9 (<= (+ |old(~a18~0)| 156) 0)) (.cse8 (= 4 |old(~a15~0)|)) (.cse15 (= 10 |old(~a16~0)|)) (.cse18 (not (= 3 |old(~a15~0)|))) (.cse24 (not .cse5)) (.cse17 (= (+ ~a18~0 87) 0)) (.cse16 (not (= calculate_output_~input 0))) (.cse20 (not (= 11 |old(~a16~0)|))) (.cse21 (= |calculate_output_#in~input| 0)) (.cse19 (not (= (+ |old(~a18~0)| 87) 0)))) (and (or .cse0 .cse1) (or (and (and .cse2 .cse3) .cse4) (or .cse5 (or .cse6 .cse7 .cse8))) (or .cse9 .cse10 .cse7 .cse0 .cse11) (or .cse12 .cse9 .cse7 .cse8 .cse10) (or .cse9 .cse10 .cse0 .cse13) (or (or .cse6 .cse8 .cse14 .cse15) (and .cse2 (= 7 ~a12~0) .cse3)) (or (and .cse16 .cse17) (or .cse18 (not .cse12)) .cse19 .cse20 .cse21) (or .cse7 .cse1 .cse22 .cse11) (or .cse12 .cse7 .cse8 .cse5 .cse1) (or (or .cse14 .cse15) .cse22 .cse1) (or .cse12 .cse9 .cse7 .cse23 .cse15 (= 8 |old(~a16~0)|) .cse22) (or .cse9 .cse24 .cse10 .cse22) (or .cse15 .cse22 .cse13 .cse1) (or .cse23 .cse9 .cse8 .cse15) (or .cse18 .cse24 (and .cse17 .cse16) .cse20 .cse21 .cse19)))) [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,957 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,958 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,959 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,960 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,961 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,962 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,963 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse10 (< 0 (+ ~a18~0 156))) (.cse2 (= |old(~a16~0)| ~a16~0)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse5 (= 5 |old(~a12~0)|)) (.cse7 (= 7 |old(~a12~0)|))) (let ((.cse0 (< 8 |old(~a16~0)|)) (.cse6 (= 12 |old(~a16~0)|)) (.cse11 (< 7 |old(~a12~0)|)) (.cse14 (not .cse7)) (.cse17 (= (+ ~a18~0 87) 0)) (.cse18 (not (= 3 |old(~a15~0)|))) (.cse20 (not (= 11 |old(~a16~0)|))) (.cse21 (= |calculate_output_#in~input| 0)) (.cse19 (not (= (+ |old(~a18~0)| 87) 0))) (.cse12 (= 6 |old(~a12~0)|)) (.cse22 (not .cse5)) (.cse16 (< 10 |old(~a16~0)|)) (.cse13 (not (= 9 |old(~a12~0)|))) (.cse1 (and .cse2 .cse3 .cse4)) (.cse23 (and .cse2 .cse10 .cse3 .cse4)) (.cse9 (<= (+ |old(~a18~0)| 156) 0)) (.cse8 (= 4 |old(~a15~0)|)) (.cse15 (= 10 |old(~a16~0)|))) (and (or .cse0 .cse1) (or (and (and .cse2 .cse3) .cse4) (or .cse5 (or .cse6 .cse7 .cse8))) (or .cse9 .cse10 .cse7 .cse0 .cse11) (or .cse12 .cse9 .cse7 .cse8 .cse10) (or .cse9 .cse10 .cse0 .cse13) (or (or .cse6 .cse8 .cse14 .cse15) (and .cse2 (= 7 ~a12~0) .cse3)) (or .cse7 .cse1 .cse16 .cse11) (or .cse12 .cse7 .cse8 .cse5 .cse1) (or .cse17 (or .cse18 (not .cse12)) .cse19 .cse20 .cse21) (or (or .cse14 .cse15) .cse16 .cse1) (or .cse17 .cse18 .cse22 .cse20 .cse21 .cse19) (or .cse12 .cse9 .cse7 .cse23 .cse15 (= 8 |old(~a16~0)|) .cse16) (or .cse9 .cse22 .cse10 .cse16) (or .cse15 .cse16 .cse13 .cse1) (or .cse23 .cse9 .cse8 .cse15)))) [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,964 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,965 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,966 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,967 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,968 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,969 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,970 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,971 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,972 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,973 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,974 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,975 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,976 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:54:35,977 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-02 23:54:35,977 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 23:54:35,977 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:54:35,978 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 11) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-12-02 23:54:35,978 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 23:54:35,978 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a12~0))) (.cse6 (< 0 (+ ~a18~0 156))) (.cse2 (not (= ~a12~0 7))) (.cse4 (= 9 ~a12~0)) (.cse7 (<= ~a16~0 9)) (.cse5 (not (= ~a16~0 10))) (.cse0 (not (= ~a15~0 4))) (.cse1 (not (= ~a16~0 12))) (.cse8 (= 7 ~a12~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and (not .cse4) (<= ~a16~0 8)) (and .cse5 .cse0 .cse6) (and .cse7 .cse8) (and (not (= ~a12~0 6)) .cse0 .cse3 .cse2) (not (= 5 |old(~a12~0)|)) (and .cse7 .cse6) (and (<= ~a16~0 10) .cse2 (<= ~a12~0 7)) (and .cse4 (not (= ~a16~0 8)) .cse7) (and .cse5 .cse0 .cse1 .cse8))) [2018-12-02 23:54:35,978 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 23:54:35,978 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 23:54:35,978 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a12~0))) (.cse6 (< 0 (+ ~a18~0 156))) (.cse2 (not (= ~a12~0 7))) (.cse4 (= 9 ~a12~0)) (.cse7 (<= ~a16~0 9)) (.cse5 (not (= ~a16~0 10))) (.cse0 (not (= ~a15~0 4))) (.cse1 (not (= ~a16~0 12))) (.cse8 (= 7 ~a12~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and (not .cse4) (<= ~a16~0 8)) (and .cse5 .cse0 .cse6) (and .cse7 .cse8) (and (not (= ~a12~0 6)) .cse0 .cse3 .cse2) (not (= 5 |old(~a12~0)|)) (and .cse7 .cse6) (and (<= ~a16~0 10) .cse2 (<= ~a12~0 7)) (and .cse4 (not (= ~a16~0 8)) .cse7) (and .cse5 .cse0 .cse1 .cse8))) [2018-12-02 23:54:35,978 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 23:54:35,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:54:35 BoogieIcfgContainer [2018-12-02 23:54:35,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 23:54:35,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:54:35,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:54:35,988 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:54:35,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:21" (3/4) ... [2018-12-02 23:54:35,991 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 23:54:35,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 23:54:35,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 23:54:35,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 23:54:35,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 23:54:36,012 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 23:54:36,014 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 23:54:36,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(a15 == 4) && !(a16 == 12)) && !(a12 == 7)) && !(5 == a12)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(9 == a12) && a16 <= 8)) || ((!(a16 == 10) && !(a15 == 4)) && 0 < a18 + 156)) || (a16 <= 9 && 7 == a12)) || (((!(a12 == 6) && !(a15 == 4)) && !(5 == a12)) && !(a12 == 7))) || !(5 == \old(a12))) || (a16 <= 9 && 0 < a18 + 156)) || ((a16 <= 10 && !(a12 == 7)) && a12 <= 7)) || ((9 == a12 && !(a16 == 8)) && a16 <= 9)) || (((!(a16 == 10) && !(a15 == 4)) && !(a16 == 12)) && 7 == a12) [2018-12-02 23:54:36,125 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b111a51b-cdcf-40b1-b117-91557c136f68/bin-2019/utaipan/witness.graphml [2018-12-02 23:54:36,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:54:36,126 INFO L168 Benchmark]: Toolchain (without parser) took 136628.88 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 951.7 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-12-02 23:54:36,127 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 23:54:36,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:36,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.33 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. [2018-12-02 23:54:36,127 INFO L168 Benchmark]: Boogie Preprocessor took 56.64 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:36,128 INFO L168 Benchmark]: RCFGBuilder took 1314.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.5 MB in the end (delta: 250.9 MB). Peak memory consumption was 250.9 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:36,128 INFO L168 Benchmark]: TraceAbstraction took 134530.76 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 856.5 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-02 23:54:36,128 INFO L168 Benchmark]: Witness Printer took 137.84 ms. Allocated memory is still 5.0 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2018-12-02 23:54:36,130 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 561.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.33 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 56.64 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1314.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.5 MB in the end (delta: 250.9 MB). Peak memory consumption was 250.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134530.76 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 856.5 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 137.84 ms. Allocated memory is still 5.0 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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: 1773]: Loop Invariant Derived loop invariant: ((((((((((((((!(a15 == 4) && !(a16 == 12)) && !(a12 == 7)) && !(5 == a12)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(9 == a12) && a16 <= 8)) || ((!(a16 == 10) && !(a15 == 4)) && 0 < a18 + 156)) || (a16 <= 9 && 7 == a12)) || (((!(a12 == 6) && !(a15 == 4)) && !(5 == a12)) && !(a12 == 7))) || !(5 == \old(a12))) || (a16 <= 9 && 0 < a18 + 156)) || ((a16 <= 10 && !(a12 == 7)) && a12 <= 7)) || ((9 == a12 && !(a16 == 8)) && a16 <= 9)) || (((!(a16 == 10) && !(a15 == 4)) && !(a16 == 12)) && 7 == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 134.4s OverallTime, 14 OverallIterations, 8 TraceHistogramMax, 111.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2337 SDtfs, 14975 SDslu, 881 SDs, 0 SdLazy, 24797 SolverSat, 3645 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 12557 GetRequests, 12418 SyntacticMatches, 15 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12128occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9985657565163595 AbsIntWeakeningRatio, 0.04590505998956703 AbsIntAvgWeakeningVarsNumRemoved, 16.742305685967658 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 5970 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1266 PreInvPairs, 1515 NumberOfFragments, 1410 HoareAnnotationTreeSize, 1266 FomulaSimplifications, 91558 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 22571 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 13291 NumberOfCodeBlocks, 13291 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 18510 ConstructedInterpolants, 0 QuantifiedInterpolants, 76284650 SizeOfPredicates, 7 NumberOfNonLiveVariables, 6706 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 24 InterpolantComputations, 13 PerfectInterpolantSequences, 33582/37959 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...