./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:58:27,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:58:27,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:58:27,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:58:27,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:58:27,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:58:27,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:58:27,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:58:27,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:58:27,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:58:27,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:58:27,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:58:27,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:58:27,110 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:58:27,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:58:27,111 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:58:27,111 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:58:27,112 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:58:27,113 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:58:27,114 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:58:27,114 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:58:27,115 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:58:27,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:58:27,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:58:27,116 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:58:27,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:58:27,117 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:58:27,118 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:58:27,118 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:58:27,118 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:58:27,119 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:58:27,119 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:58:27,119 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:58:27,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:58:27,120 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:58:27,120 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:58:27,120 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:58:27,127 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:58:27,127 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:58:27,128 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:58:27,128 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:58:27,128 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:58:27,128 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:58:27,128 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:58:27,128 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:58:27,128 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:58:27,128 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:58:27,128 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:58:27,129 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:58:27,129 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:58:27,129 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:58:27,129 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:58:27,129 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:58:27,129 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:58:27,129 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:58:27,129 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:58:27,130 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:58:27,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:58:27,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:58:27,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:58:27,131 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:58:27,131 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:58:27,131 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:58:27,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:58:27,131 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:58:27,131 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_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 -> 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 [2018-12-03 02:58:27,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:58:27,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:58:27,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:58:27,159 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:58:27,159 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:58:27,160 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-12-03 02:58:27,194 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/data/5cf5981ec/562d8491576e4fe397faab8e6b21eb41/FLAG51486eccb [2018-12-03 02:58:27,613 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:58:27,614 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-12-03 02:58:27,621 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/data/5cf5981ec/562d8491576e4fe397faab8e6b21eb41/FLAG51486eccb [2018-12-03 02:58:27,630 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/data/5cf5981ec/562d8491576e4fe397faab8e6b21eb41 [2018-12-03 02:58:27,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:58:27,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:58:27,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:58:27,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:58:27,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:58:27,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:27,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27, skipping insertion in model container [2018-12-03 02:58:27,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:27,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:58:27,674 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:58:27,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:58:27,871 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:58:27,975 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:58:27,983 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:58:27,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27 WrapperNode [2018-12-03 02:58:27,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:58:27,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:58:27,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:58:27,984 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:58:27,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:27,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:58:28,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:58:28,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:58:28,005 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:58:28,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... [2018-12-03 02:58:28,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:58:28,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:58:28,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:58:28,048 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:58:28,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 [2018-12-03 02:58:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:58:28,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:58:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 02:58:28,089 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 02:58:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:58:28,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:58:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:58:28,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:58:28,868 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:58:28,869 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 02:58:28,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:28 BoogieIcfgContainer [2018-12-03 02:58:28,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:58:28,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:58:28,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:58:28,871 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:58:28,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:58:27" (1/3) ... [2018-12-03 02:58:28,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbb31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:58:28, skipping insertion in model container [2018-12-03 02:58:28,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:27" (2/3) ... [2018-12-03 02:58:28,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbb31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:58:28, skipping insertion in model container [2018-12-03 02:58:28,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:28" (3/3) ... [2018-12-03 02:58:28,873 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label33_true-unreach-call_false-termination.c [2018-12-03 02:58:28,879 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:58:28,884 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:58:28,894 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:58:28,915 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:58:28,915 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:58:28,915 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:58:28,915 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:58:28,915 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:58:28,915 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:58:28,915 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:58:28,915 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:58:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-03 02:58:28,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 02:58:28,935 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:58:28,935 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:58:28,937 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:58:28,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:58:28,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1630664019, now seen corresponding path program 1 times [2018-12-03 02:58:28,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:58:28,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:28,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:58:28,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:28,972 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:58:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:58:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:58:29,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:58:29,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:58:29,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:58:29,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:58:29,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:58:29,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:58:29,122 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-03 02:58:29,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:58:29,705 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-03 02:58:29,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:58:29,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-03 02:58:29,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:58:29,715 INFO L225 Difference]: With dead ends: 688 [2018-12-03 02:58:29,715 INFO L226 Difference]: Without dead ends: 372 [2018-12-03 02:58:29,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:58:29,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-03 02:58:29,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-03 02:58:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-03 02:58:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-12-03 02:58:29,755 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 64 [2018-12-03 02:58:29,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:58:29,755 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-12-03 02:58:29,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:58:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-12-03 02:58:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-03 02:58:29,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:58:29,760 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:58:29,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:58:29,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:58:29,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1007042450, now seen corresponding path program 1 times [2018-12-03 02:58:29,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:58:29,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:29,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:58:29,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:29,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:58:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:58:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:58:29,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:58:29,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:58:29,879 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:58:29,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:58:29,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:58:29,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:58:29,881 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-12-03 02:58:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:58:30,451 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2018-12-03 02:58:30,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:58:30,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-12-03 02:58:30,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:58:30,453 INFO L225 Difference]: With dead ends: 936 [2018-12-03 02:58:30,454 INFO L226 Difference]: Without dead ends: 570 [2018-12-03 02:58:30,454 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 [2018-12-03 02:58:30,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-12-03 02:58:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2018-12-03 02:58:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-12-03 02:58:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2018-12-03 02:58:30,472 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 138 [2018-12-03 02:58:30,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:58:30,473 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2018-12-03 02:58:30,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:58:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2018-12-03 02:58:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-03 02:58:30,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:58:30,474 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:58:30,475 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:58:30,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:58:30,475 INFO L82 PathProgramCache]: Analyzing trace with hash 996346145, now seen corresponding path program 1 times [2018-12-03 02:58:30,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:58:30,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:30,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:58:30,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:30,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:58:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:58:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:58:30,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:58:30,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:58:30,645 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:58:30,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:58:30,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:58:30,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:58:30,645 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 6 states. [2018-12-03 02:58:31,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:58:31,402 INFO L93 Difference]: Finished difference Result 1334 states and 1932 transitions. [2018-12-03 02:58:31,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 02:58:31,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-12-03 02:58:31,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:58:31,405 INFO L225 Difference]: With dead ends: 1334 [2018-12-03 02:58:31,406 INFO L226 Difference]: Without dead ends: 778 [2018-12-03 02:58:31,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:58:31,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-12-03 02:58:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 750. [2018-12-03 02:58:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-12-03 02:58:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1019 transitions. [2018-12-03 02:58:31,429 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1019 transitions. Word has length 147 [2018-12-03 02:58:31,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:58:31,430 INFO L480 AbstractCegarLoop]: Abstraction has 750 states and 1019 transitions. [2018-12-03 02:58:31,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:58:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1019 transitions. [2018-12-03 02:58:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-03 02:58:31,434 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:58:31,434 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-12-03 02:58:31,435 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:58:31,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:58:31,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1704297562, now seen corresponding path program 1 times [2018-12-03 02:58:31,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:58:31,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:31,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:58:31,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:31,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:58:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:58:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:58:31,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:58:31,784 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:58:31,785 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-12-03 02:58:31,786 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:58:31,816 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:58:31,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:58:32,086 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:58:32,087 INFO L272 AbstractInterpreter]: Visited 92 different actions 177 times. Merged at 3 different actions 3 times. Never widened. Performed 1469 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1469 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 02:58:32,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:58:32,094 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:58:32,352 INFO L227 lantSequenceWeakener]: Weakened 228 states. On average, predicates are now at 78.23% of their original sizes. [2018-12-03 02:58:32,352 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:58:32,411 INFO L418 sIntCurrentIteration]: We unified 230 AI predicates to 230 [2018-12-03 02:58:32,412 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:58:32,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:58:32,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-03 02:58:32,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:58:32,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:58:32,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:58:32,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:58:32,414 INFO L87 Difference]: Start difference. First operand 750 states and 1019 transitions. Second operand 10 states. [2018-12-03 02:58:52,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:58:52,228 INFO L93 Difference]: Finished difference Result 2258 states and 2978 transitions. [2018-12-03 02:58:52,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 02:58:52,228 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 231 [2018-12-03 02:58:52,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:58:52,231 INFO L225 Difference]: With dead ends: 2258 [2018-12-03 02:58:52,231 INFO L226 Difference]: Without dead ends: 1514 [2018-12-03 02:58:52,232 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 02:58:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2018-12-03 02:58:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1482. [2018-12-03 02:58:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1482 states. [2018-12-03 02:58:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1801 transitions. [2018-12-03 02:58:52,250 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1801 transitions. Word has length 231 [2018-12-03 02:58:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:58:52,251 INFO L480 AbstractCegarLoop]: Abstraction has 1482 states and 1801 transitions. [2018-12-03 02:58:52,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:58:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1801 transitions. [2018-12-03 02:58:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-03 02:58:52,254 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:58:52,255 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:58:52,255 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:58:52,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:58:52,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1626363718, now seen corresponding path program 1 times [2018-12-03 02:58:52,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:58:52,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:52,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:58:52,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:58:52,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:58:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:58:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-03 02:58:52,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:58:52,439 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:58:52,439 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 367 with the following transitions: [2018-12-03 02:58:52,439 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:58:52,441 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:58:52,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:58:55,891 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:58:55,891 INFO L272 AbstractInterpreter]: Visited 119 different actions 354 times. Merged at 6 different actions 17 times. Never widened. Performed 3366 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 02:58:55,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:58:55,893 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:58:56,486 INFO L227 lantSequenceWeakener]: Weakened 363 states. On average, predicates are now at 80.61% of their original sizes. [2018-12-03 02:58:56,486 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:58:56,531 INFO L418 sIntCurrentIteration]: We unified 365 AI predicates to 365 [2018-12-03 02:58:56,531 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:58:56,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:58:56,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-03 02:58:56,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:58:56,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:58:56,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:58:56,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:58:56,532 INFO L87 Difference]: Start difference. First operand 1482 states and 1801 transitions. Second operand 9 states. [2018-12-03 02:59:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:08,155 INFO L93 Difference]: Finished difference Result 2622 states and 3304 transitions. [2018-12-03 02:59:08,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 02:59:08,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 366 [2018-12-03 02:59:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:08,160 INFO L225 Difference]: With dead ends: 2622 [2018-12-03 02:59:08,160 INFO L226 Difference]: Without dead ends: 1878 [2018-12-03 02:59:08,162 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 372 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-03 02:59:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2018-12-03 02:59:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1858. [2018-12-03 02:59:08,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1858 states. [2018-12-03 02:59:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2259 transitions. [2018-12-03 02:59:08,200 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2259 transitions. Word has length 366 [2018-12-03 02:59:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:08,200 INFO L480 AbstractCegarLoop]: Abstraction has 1858 states and 2259 transitions. [2018-12-03 02:59:08,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:59:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2259 transitions. [2018-12-03 02:59:08,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-12-03 02:59:08,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:59:08,207 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:59:08,207 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:59:08,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:08,208 INFO L82 PathProgramCache]: Analyzing trace with hash 61048537, now seen corresponding path program 1 times [2018-12-03 02:59:08,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:59:08,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:08,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:08,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:08,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:59:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 318 proven. 154 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-03 02:59:08,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:08,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:59:08,332 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 415 with the following transitions: [2018-12-03 02:59:08,332 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:59:08,334 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:59:08,334 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:59:08,559 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:59:08,559 INFO L272 AbstractInterpreter]: Visited 121 different actions 482 times. Merged at 8 different actions 31 times. Never widened. Performed 4507 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4507 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 02:59:08,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:08,561 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:59:08,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:08,561 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 [2018-12-03 02:59:08,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:08,568 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:59:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:08,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:59:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 506 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-03 02:59:08,727 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:59:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 318 proven. 154 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-03 02:59:08,850 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:59:08,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 02:59:08,851 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:59:08,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:59:08,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:59:08,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:59:08,852 INFO L87 Difference]: Start difference. First operand 1858 states and 2259 transitions. Second operand 9 states. [2018-12-03 02:59:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:10,583 INFO L93 Difference]: Finished difference Result 3928 states and 5109 transitions. [2018-12-03 02:59:10,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-03 02:59:10,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 414 [2018-12-03 02:59:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:10,587 INFO L225 Difference]: With dead ends: 3928 [2018-12-03 02:59:10,587 INFO L226 Difference]: Without dead ends: 2072 [2018-12-03 02:59:10,590 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 844 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2018-12-03 02:59:10,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2018-12-03 02:59:10,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1868. [2018-12-03 02:59:10,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2018-12-03 02:59:10,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2164 transitions. [2018-12-03 02:59:10,612 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2164 transitions. Word has length 414 [2018-12-03 02:59:10,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:10,613 INFO L480 AbstractCegarLoop]: Abstraction has 1868 states and 2164 transitions. [2018-12-03 02:59:10,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:59:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2164 transitions. [2018-12-03 02:59:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-12-03 02:59:10,615 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:59:10,615 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:59:10,615 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:59:10,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:10,616 INFO L82 PathProgramCache]: Analyzing trace with hash 254447710, now seen corresponding path program 1 times [2018-12-03 02:59:10,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:59:10,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:10,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:10,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:10,616 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:59:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 375 proven. 69 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-12-03 02:59:10,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:10,759 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:59:10,759 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 436 with the following transitions: [2018-12-03 02:59:10,760 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [494], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:59:10,762 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:59:10,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:59:14,696 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:59:14,696 INFO L272 AbstractInterpreter]: Visited 121 different actions 480 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 4654 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4654 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 02:59:14,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:14,698 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:59:14,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:14,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 [2018-12-03 02:59:14,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:14,705 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:59:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:14,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:59:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 544 proven. 2 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-03 02:59:14,836 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:59:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 375 proven. 69 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-12-03 02:59:14,946 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:59:14,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-12-03 02:59:14,946 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:59:14,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:59:14,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:59:14,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-03 02:59:14,947 INFO L87 Difference]: Start difference. First operand 1868 states and 2164 transitions. Second operand 10 states. [2018-12-03 02:59:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:16,094 INFO L93 Difference]: Finished difference Result 4692 states and 5647 transitions. [2018-12-03 02:59:16,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 02:59:16,094 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 435 [2018-12-03 02:59:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:16,099 INFO L225 Difference]: With dead ends: 4692 [2018-12-03 02:59:16,099 INFO L226 Difference]: Without dead ends: 3010 [2018-12-03 02:59:16,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 880 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2018-12-03 02:59:16,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2018-12-03 02:59:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 2634. [2018-12-03 02:59:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2634 states. [2018-12-03 02:59:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 3112 transitions. [2018-12-03 02:59:16,132 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 3112 transitions. Word has length 435 [2018-12-03 02:59:16,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:16,133 INFO L480 AbstractCegarLoop]: Abstraction has 2634 states and 3112 transitions. [2018-12-03 02:59:16,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:59:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3112 transitions. [2018-12-03 02:59:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-12-03 02:59:16,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:59:16,135 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:59:16,135 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:59:16,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:16,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1696246501, now seen corresponding path program 1 times [2018-12-03 02:59:16,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:59:16,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:16,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:16,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:16,136 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:59:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 500 proven. 149 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-03 02:59:16,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:16,600 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:59:16,600 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 439 with the following transitions: [2018-12-03 02:59:16,601 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:59:16,602 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:59:16,602 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:59:20,457 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:59:20,457 INFO L272 AbstractInterpreter]: Visited 121 different actions 477 times. Merged at 8 different actions 26 times. Never widened. Performed 4628 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4628 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 02:59:20,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:20,458 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:59:20,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:20,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 [2018-12-03 02:59:20,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:20,464 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:59:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:20,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:59:20,697 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 470 proven. 2 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-03 02:59:20,697 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:59:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 470 proven. 2 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-03 02:59:20,945 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:59:20,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-03 02:59:20,946 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:59:20,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-03 02:59:20,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-03 02:59:20,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2018-12-03 02:59:20,946 INFO L87 Difference]: Start difference. First operand 2634 states and 3112 transitions. Second operand 17 states. [2018-12-03 02:59:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:22,623 INFO L93 Difference]: Finished difference Result 5386 states and 6593 transitions. [2018-12-03 02:59:22,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-03 02:59:22,623 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 438 [2018-12-03 02:59:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:22,629 INFO L225 Difference]: With dead ends: 5386 [2018-12-03 02:59:22,629 INFO L226 Difference]: Without dead ends: 2975 [2018-12-03 02:59:22,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 924 GetRequests, 882 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1376, Unknown=0, NotChecked=0, Total=1806 [2018-12-03 02:59:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2018-12-03 02:59:22,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2820. [2018-12-03 02:59:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2820 states. [2018-12-03 02:59:22,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3060 transitions. [2018-12-03 02:59:22,670 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3060 transitions. Word has length 438 [2018-12-03 02:59:22,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:22,670 INFO L480 AbstractCegarLoop]: Abstraction has 2820 states and 3060 transitions. [2018-12-03 02:59:22,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-03 02:59:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3060 transitions. [2018-12-03 02:59:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2018-12-03 02:59:22,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:59:22,674 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:59:22,674 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:59:22,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:22,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1578978186, now seen corresponding path program 1 times [2018-12-03 02:59:22,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:59:22,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:22,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:22,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:22,675 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:59:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 630 proven. 80 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2018-12-03 02:59:22,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:22,924 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:59:22,925 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 653 with the following transitions: [2018-12-03 02:59:22,925 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:59:22,927 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:59:22,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:59:26,857 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:59:26,857 INFO L272 AbstractInterpreter]: Visited 190 different actions 757 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 8333 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8333 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 02:59:26,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:26,858 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:59:26,858 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:26,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 [2018-12-03 02:59:26,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:26,864 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:59:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:26,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:59:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 880 proven. 2 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2018-12-03 02:59:27,057 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:59:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 630 proven. 80 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2018-12-03 02:59:27,293 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:59:27,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-03 02:59:27,294 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:59:27,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:59:27,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:59:27,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:59:27,295 INFO L87 Difference]: Start difference. First operand 2820 states and 3060 transitions. Second operand 7 states. [2018-12-03 02:59:28,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:28,123 INFO L93 Difference]: Finished difference Result 6914 states and 8063 transitions. [2018-12-03 02:59:28,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:59:28,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 652 [2018-12-03 02:59:28,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:28,131 INFO L225 Difference]: With dead ends: 6914 [2018-12-03 02:59:28,131 INFO L226 Difference]: Without dead ends: 4466 [2018-12-03 02:59:28,133 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1321 GetRequests, 1307 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-12-03 02:59:28,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2018-12-03 02:59:28,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 3946. [2018-12-03 02:59:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3946 states. [2018-12-03 02:59:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 4323 transitions. [2018-12-03 02:59:28,187 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 4323 transitions. Word has length 652 [2018-12-03 02:59:28,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:28,187 INFO L480 AbstractCegarLoop]: Abstraction has 3946 states and 4323 transitions. [2018-12-03 02:59:28,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:59:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4323 transitions. [2018-12-03 02:59:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2018-12-03 02:59:28,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:59:28,191 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:59:28,191 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:59:28,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:28,191 INFO L82 PathProgramCache]: Analyzing trace with hash -625850707, now seen corresponding path program 1 times [2018-12-03 02:59:28,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:59:28,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:28,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:28,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:28,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:59:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 637 proven. 80 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2018-12-03 02:59:28,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:28,474 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:59:28,475 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 660 with the following transitions: [2018-12-03 02:59:28,475 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:59:28,476 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:59:28,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:59:32,456 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:59:32,457 INFO L272 AbstractInterpreter]: Visited 191 different actions 768 times. Merged at 9 different actions 37 times. Widened at 1 different actions 2 times. Performed 8495 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8495 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 02:59:32,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:32,458 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:59:32,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:32,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/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 [2018-12-03 02:59:32,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:32,464 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:59:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:32,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:59:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 887 proven. 2 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2018-12-03 02:59:32,656 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:59:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 637 proven. 80 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2018-12-03 02:59:32,875 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:59:32,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-03 02:59:32,876 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:59:32,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:59:32,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:59:32,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:59:32,877 INFO L87 Difference]: Start difference. First operand 3946 states and 4323 transitions. Second operand 7 states. [2018-12-03 02:59:33,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:33,672 INFO L93 Difference]: Finished difference Result 9542 states and 11096 transitions. [2018-12-03 02:59:33,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:59:33,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 659 [2018-12-03 02:59:33,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:33,683 INFO L225 Difference]: With dead ends: 9542 [2018-12-03 02:59:33,683 INFO L226 Difference]: Without dead ends: 5968 [2018-12-03 02:59:33,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1335 GetRequests, 1321 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-12-03 02:59:33,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5968 states. [2018-12-03 02:59:33,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5968 to 5258. [2018-12-03 02:59:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5258 states. [2018-12-03 02:59:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5258 states to 5258 states and 5804 transitions. [2018-12-03 02:59:33,754 INFO L78 Accepts]: Start accepts. Automaton has 5258 states and 5804 transitions. Word has length 659 [2018-12-03 02:59:33,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:33,754 INFO L480 AbstractCegarLoop]: Abstraction has 5258 states and 5804 transitions. [2018-12-03 02:59:33,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:59:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 5258 states and 5804 transitions. [2018-12-03 02:59:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2018-12-03 02:59:33,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:59:33,759 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:59:33,759 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:59:33,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:33,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1057230172, now seen corresponding path program 1 times [2018-12-03 02:59:33,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:59:33,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:33,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:33,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:33,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:59:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 703 proven. 827 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2018-12-03 02:59:34,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:34,763 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:59:34,764 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 800 with the following transitions: [2018-12-03 02:59:34,764 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:59:34,765 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:59:34,765 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:59:38,679 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:59:38,679 INFO L272 AbstractInterpreter]: Visited 191 different actions 760 times. Merged at 9 different actions 29 times. Never widened. Performed 8323 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8323 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 02:59:38,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:38,682 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:59:38,682 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:38,682 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:59:38,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:38,687 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:59:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:38,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:59:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 1574 trivial. 0 not checked. [2018-12-03 02:59:38,926 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:59:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 1574 trivial. 0 not checked. [2018-12-03 02:59:39,109 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:59:39,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 16 [2018-12-03 02:59:39,110 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:59:39,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:59:39,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:59:39,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-12-03 02:59:39,110 INFO L87 Difference]: Start difference. First operand 5258 states and 5804 transitions. Second operand 3 states. [2018-12-03 02:59:39,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:39,393 INFO L93 Difference]: Finished difference Result 11432 states and 12731 transitions. [2018-12-03 02:59:39,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:59:39,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 799 [2018-12-03 02:59:39,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:39,405 INFO L225 Difference]: With dead ends: 11432 [2018-12-03 02:59:39,405 INFO L226 Difference]: Without dead ends: 6546 [2018-12-03 02:59:39,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1613 GetRequests, 1599 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-12-03 02:59:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6546 states. [2018-12-03 02:59:39,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6546 to 5624. [2018-12-03 02:59:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5624 states. [2018-12-03 02:59:39,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5624 states to 5624 states and 6233 transitions. [2018-12-03 02:59:39,465 INFO L78 Accepts]: Start accepts. Automaton has 5624 states and 6233 transitions. Word has length 799 [2018-12-03 02:59:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:39,465 INFO L480 AbstractCegarLoop]: Abstraction has 5624 states and 6233 transitions. [2018-12-03 02:59:39,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:59:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 5624 states and 6233 transitions. [2018-12-03 02:59:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2018-12-03 02:59:39,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:59:39,471 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:59:39,471 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:59:39,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:39,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1915681980, now seen corresponding path program 1 times [2018-12-03 02:59:39,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:59:39,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:39,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:39,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:59:39,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:59:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2065 backedges. 703 proven. 897 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-03 02:59:40,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:40,487 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:59:40,487 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 848 with the following transitions: [2018-12-03 02:59:40,487 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 02:59:40,489 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:59:40,489 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:59:44,401 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:59:44,402 INFO L272 AbstractInterpreter]: Visited 191 different actions 763 times. Merged at 9 different actions 32 times. Never widened. Performed 8399 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8399 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 02:59:44,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:59:44,416 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:59:44,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:59:44,417 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:59:44,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:59:44,423 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:59:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:59:44,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:59:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2065 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2018-12-03 02:59:44,678 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:59:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2065 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2018-12-03 02:59:44,895 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:59:44,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2018-12-03 02:59:44,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:59:44,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:59:44,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:59:44,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-12-03 02:59:44,896 INFO L87 Difference]: Start difference. First operand 5624 states and 6233 transitions. Second operand 3 states. [2018-12-03 02:59:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:59:45,161 INFO L93 Difference]: Finished difference Result 6362 states and 7087 transitions. [2018-12-03 02:59:45,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:59:45,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 847 [2018-12-03 02:59:45,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:59:45,162 INFO L225 Difference]: With dead ends: 6362 [2018-12-03 02:59:45,163 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:59:45,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1709 GetRequests, 1694 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-12-03 02:59:45,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:59:45,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:59:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:59:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:59:45,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 847 [2018-12-03 02:59:45,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:59:45,170 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:59:45,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:59:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:59:45,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:59:45,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:59:45,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,655 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 266 [2018-12-03 02:59:45,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:45,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:46,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:46,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:59:46,036 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 257 [2018-12-03 02:59:46,731 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 62 [2018-12-03 02:59:47,626 WARN L180 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 56 [2018-12-03 02:59:50,444 WARN L180 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 262 DAG size of output: 59 [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-03 02:59:50,446 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,447 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,448 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-03 02:59:50,449 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= |old(~a15~0)| ~a15~0))) (let ((.cse6 (= 9 |old(~a15~0)|)) (.cse0 (not (= 1 |old(~a24~0)|))) (.cse5 (= 6 |old(~a15~0)|)) (.cse1 (= 8 |old(~a15~0)|)) (.cse7 (and .cse2 (= ~a24~0 |old(~a24~0)|) .cse3 .cse4))) (and (or (or (= 0 |old(~a21~0)|) .cse0 (not .cse1) (= |calculate_output_#in~input| 0)) (and .cse2 .cse3 .cse4 (= ~a24~0 1))) (or (and .cse2 (= 7 ~a21~0) .cse4) (not (= 7 |old(~a21~0)|)) .cse5 .cse1 .cse6) (or (< 0 (+ |old(~a12~0)| 49)) .cse5 .cse1 .cse6 (and .cse2 (= |old(~a21~0)| ~a21~0) .cse4)) (or .cse7 (or .cse1 .cse0 (< 11 |old(~a12~0)|))) (or .cse7 (< 0 (+ |old(~a12~0)| 43)) (or .cse1 (< 6 |old(~a21~0)|) .cse6)) (or .cse0 .cse1 (< 9 |old(~a21~0)|) .cse7) (or .cse0 .cse5 .cse1 .cse7)))) [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-03 02:59:50,450 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,451 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-03 02:59:50,452 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-03 02:59:50,453 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 02:59:50,454 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-03 02:59:50,455 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-03 02:59:50,456 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse5 (not (= ~a15~0 9))) (.cse2 (= 1 ~a24~0)) (.cse3 (not (= ~a15~0 8))) (.cse0 (= 8 |old(~a15~0)|))) (let ((.cse4 (not (= ~a15~0 6))) (.cse1 (and .cse5 .cse2 (<= 7 |old(~a21~0)|) .cse3 .cse0))) (or (not .cse0) (and .cse1 (<= ~a21~0 9)) (and .cse2 .cse3 .cse4) (and (not (= ~a21~0 0)) (not (= main_~input~0 0)) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 |old(~a15~0)|)) (and (and .cse5 .cse4) (= 7 ~a21~0) .cse3) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse5 .cse3 (<= (+ ~a12~0 49) 0) .cse4) (and .cse1 (<= ~a12~0 11)) (and .cse5 (<= (+ ~a12~0 43) 0) .cse3 (<= ~a21~0 6)) (not (= 1 |old(~a24~0)|))))) [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-03 02:59:50,456 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse5 (not (= ~a15~0 9))) (.cse2 (= 1 ~a24~0)) (.cse3 (not (= ~a15~0 8))) (.cse0 (= 8 |old(~a15~0)|))) (let ((.cse4 (not (= ~a15~0 6))) (.cse1 (and .cse5 .cse2 (<= 7 |old(~a21~0)|) .cse3 .cse0))) (or (not .cse0) (and .cse1 (<= ~a21~0 9)) (and .cse2 .cse3 .cse4) (and (and .cse5 .cse4) (= 7 ~a21~0) .cse3) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse5 .cse3 (<= (+ ~a12~0 49) 0) .cse4) (and (not (= ~a21~0 0)) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 |old(~a15~0)|)) (and .cse1 (<= ~a12~0 11)) (and .cse5 (<= (+ ~a12~0 43) 0) .cse3 (<= ~a21~0 6)) (not (= 1 |old(~a24~0)|))))) [2018-12-03 02:59:50,456 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-03 02:59:50,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:59:50 BoogieIcfgContainer [2018-12-03 02:59:50,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:59:50,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:59:50,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:59:50,463 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:59:50,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:28" (3/4) ... [2018-12-03 02:59:50,466 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:59:50,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:59:50,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 02:59:50,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:59:50,477 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 02:59:50,477 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 02:59:50,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(8 == \old(a15)) || (((((!(a15 == 9) && 1 == a24) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && a21 <= 9)) || ((1 == a24 && !(a15 == 8)) && !(a15 == 6))) || (((!(a15 == 9) && !(a15 == 6)) && 7 == a21) && !(a15 == 8))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (((!(a15 == 9) && !(a15 == 8)) && a12 + 49 <= 0) && !(a15 == 6))) || ((!(a21 == 0) && a24 == \old(a24)) && a15 == \old(a15))) || (((((!(a15 == 9) && 1 == a24) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && a12 <= 11)) || (((!(a15 == 9) && a12 + 43 <= 0) && !(a15 == 8)) && a21 <= 6)) || !(1 == \old(a24)) [2018-12-03 02:59:50,547 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3b57b5b9-49c6-4286-98e7-02fa3ac8d5ef/bin-2019/utaipan/witness.graphml [2018-12-03 02:59:50,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:59:50,547 INFO L168 Benchmark]: Toolchain (without parser) took 82915.41 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 942.7 MB in the beginning and 878.8 MB in the end (delta: 63.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-03 02:59:50,548 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:59:50,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:59:50,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:59:50,548 INFO L168 Benchmark]: Boogie Preprocessor took 42.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:59:50,548 INFO L168 Benchmark]: RCFGBuilder took 821.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.8 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:59:50,548 INFO L168 Benchmark]: TraceAbstraction took 81593.51 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 948.8 MB in the beginning and 959.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-12-03 02:59:50,548 INFO L168 Benchmark]: Witness Printer took 83.67 ms. Allocated memory is still 5.0 GB. Free memory was 959.8 MB in the beginning and 878.8 MB in the end (delta: 81.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:59:50,549 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 821.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.8 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 81593.51 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 948.8 MB in the beginning and 959.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 83.67 ms. Allocated memory is still 5.0 GB. Free memory was 959.8 MB in the beginning and 878.8 MB in the end (delta: 81.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((!(8 == \old(a15)) || (((((!(a15 == 9) && 1 == a24) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && a21 <= 9)) || ((1 == a24 && !(a15 == 8)) && !(a15 == 6))) || (((!(a15 == 9) && !(a15 == 6)) && 7 == a21) && !(a15 == 8))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (((!(a15 == 9) && !(a15 == 8)) && a12 + 49 <= 0) && !(a15 == 6))) || ((!(a21 == 0) && a24 == \old(a24)) && a15 == \old(a15))) || (((((!(a15 == 9) && 1 == a24) && 7 <= \old(a21)) && !(a15 == 8)) && 8 == \old(a15)) && a12 <= 11)) || (((!(a15 == 9) && a12 + 43 <= 0) && !(a15 == 8)) && a21 <= 6)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 81.5s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 40.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 10153 SDslu, 710 SDs, 0 SdLazy, 14758 SolverSat, 3503 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 9323 GetRequests, 9113 SyntacticMatches, 15 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5624occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 27.5s AbstIntTime, 9 AbstIntIterations, 2 AbstIntStrong, 0.996977802562673 AbsIntWeakeningRatio, 0.09747899159663866 AbsIntAvgWeakeningVarsNumRemoved, 15.95126050420168 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2975 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 157 PreInvPairs, 251 NumberOfFragments, 529 HoareAnnotationTreeSize, 157 FomulaSimplifications, 158168 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 92438 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 9434 NumberOfCodeBlocks, 9434 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 13652 ConstructedInterpolants, 0 QuantifiedInterpolants, 29537569 SizeOfPredicates, 12 NumberOfNonLiveVariables, 6281 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 26 InterpolantComputations, 7 PerfectInterpolantSequences, 24061/26716 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...