./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_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_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/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 a07d46acee19a1bf676413a71857b7cd94a5f704 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:10:05,950 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:10:05,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:10:05,958 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:10:05,958 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:10:05,959 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:10:05,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:10:05,960 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:10:05,961 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:10:05,962 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:10:05,963 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:10:05,963 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:10:05,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:10:05,964 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:10:05,965 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:10:05,965 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:10:05,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:10:05,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:10:05,968 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:10:05,969 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:10:05,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:10:05,970 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:10:05,971 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:10:05,971 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:10:05,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:10:05,972 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:10:05,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:10:05,973 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:10:05,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:10:05,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:10:05,974 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:10:05,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:10:05,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:10:05,974 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:10:05,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:10:05,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:10:05,975 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:10:05,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:10:05,984 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:10:05,985 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:10:05,985 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:10:05,985 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:10:05,985 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:10:05,986 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:10:05,986 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:10:05,986 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:10:05,986 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:10:05,986 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:10:05,986 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:10:05,986 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:10:05,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:10:05,987 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:10:05,987 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:10:05,987 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:10:05,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:10:05,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:10:05,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:10:05,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:10:05,988 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:10:05,988 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:10:05,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:10:05,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:10:05,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:10:05,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:10:05,989 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:10:05,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:10:05,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:10:05,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:10:05,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:10:05,989 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:10:05,990 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:10:05,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:10:05,990 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:10:05,990 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_044dba5b-08af-44b1-8762-e0c9325128b6/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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2018-12-02 06:10:06,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:10:06,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:10:06,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:10:06,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:10:06,022 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:10:06,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-12-02 06:10:06,061 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/data/05706f90a/a36e99080c7648f0b4d271fb818d78eb/FLAG413abce0b [2018-12-02 06:10:06,488 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:10:06,488 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-12-02 06:10:06,495 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/data/05706f90a/a36e99080c7648f0b4d271fb818d78eb/FLAG413abce0b [2018-12-02 06:10:06,504 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/data/05706f90a/a36e99080c7648f0b4d271fb818d78eb [2018-12-02 06:10:06,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:10:06,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:10:06,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:10:06,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:10:06,509 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:10:06,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06, skipping insertion in model container [2018-12-02 06:10:06,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:10:06,540 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:10:06,714 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:10:06,717 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:10:06,800 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:10:06,809 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:10:06,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06 WrapperNode [2018-12-02 06:10:06,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:10:06,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:10:06,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:10:06,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:10:06,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:10:06,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:10:06,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:10:06,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:10:06,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... [2018-12-02 06:10:06,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:10:06,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:10:06,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:10:06,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:10:06,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:10:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:10:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:10:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 06:10:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 06:10:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:10:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:10:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:10:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:10:07,415 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:10:07,416 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:10:07,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:10:07 BoogieIcfgContainer [2018-12-02 06:10:07,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:10:07,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:10:07,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:10:07,419 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:10:07,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:10:06" (1/3) ... [2018-12-02 06:10:07,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:10:07, skipping insertion in model container [2018-12-02 06:10:07,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:06" (2/3) ... [2018-12-02 06:10:07,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:10:07, skipping insertion in model container [2018-12-02 06:10:07,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:10:07" (3/3) ... [2018-12-02 06:10:07,422 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label23_true-unreach-call_false-termination.c [2018-12-02 06:10:07,429 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:10:07,434 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:10:07,445 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:10:07,468 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:10:07,469 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:10:07,469 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:10:07,469 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:10:07,469 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:10:07,469 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:10:07,469 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:10:07,469 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:10:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-02 06:10:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 06:10:07,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:07,497 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:07,498 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:07,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:07,502 INFO L82 PathProgramCache]: Analyzing trace with hash -548785191, now seen corresponding path program 1 times [2018-12-02 06:10:07,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:07,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:07,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:07,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:07,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:07,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:10:07,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:10:07,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:10:07,805 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:10:07,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:10:07,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:10:07,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:10:07,818 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-02 06:10:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:08,247 INFO L93 Difference]: Finished difference Result 618 states and 1057 transitions. [2018-12-02 06:10:08,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:10:08,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-12-02 06:10:08,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:08,258 INFO L225 Difference]: With dead ends: 618 [2018-12-02 06:10:08,258 INFO L226 Difference]: Without dead ends: 320 [2018-12-02 06:10:08,262 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 [2018-12-02 06:10:08,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-02 06:10:08,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 319. [2018-12-02 06:10:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-02 06:10:08,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 466 transitions. [2018-12-02 06:10:08,306 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 466 transitions. Word has length 139 [2018-12-02 06:10:08,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:08,307 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 466 transitions. [2018-12-02 06:10:08,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:10:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 466 transitions. [2018-12-02 06:10:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 06:10:08,311 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:08,311 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:08,312 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:08,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:08,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1297037278, now seen corresponding path program 1 times [2018-12-02 06:10:08,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:08,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:08,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:08,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:08,313 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:10:08,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:10:08,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:10:08,480 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:10:08,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:10:08,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:10:08,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:10:08,481 INFO L87 Difference]: Start difference. First operand 319 states and 466 transitions. Second operand 5 states. [2018-12-02 06:10:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:08,822 INFO L93 Difference]: Finished difference Result 719 states and 1091 transitions. [2018-12-02 06:10:08,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:10:08,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-12-02 06:10:08,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:08,824 INFO L225 Difference]: With dead ends: 719 [2018-12-02 06:10:08,824 INFO L226 Difference]: Without dead ends: 319 [2018-12-02 06:10:08,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:10:08,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-12-02 06:10:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-12-02 06:10:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-02 06:10:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 463 transitions. [2018-12-02 06:10:08,838 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 463 transitions. Word has length 147 [2018-12-02 06:10:08,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:08,838 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 463 transitions. [2018-12-02 06:10:08,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:10:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 463 transitions. [2018-12-02 06:10:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-02 06:10:08,840 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:08,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:08,840 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:08,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash -2104183969, now seen corresponding path program 1 times [2018-12-02 06:10:08,841 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:08,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:08,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:08,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:08,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:10:08,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:10:08,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:10:08,939 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:10:08,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:10:08,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:10:08,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:10:08,940 INFO L87 Difference]: Start difference. First operand 319 states and 463 transitions. Second operand 6 states. [2018-12-02 06:10:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:09,318 INFO L93 Difference]: Finished difference Result 941 states and 1396 transitions. [2018-12-02 06:10:09,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:10:09,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-12-02 06:10:09,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:09,321 INFO L225 Difference]: With dead ends: 941 [2018-12-02 06:10:09,322 INFO L226 Difference]: Without dead ends: 628 [2018-12-02 06:10:09,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:10:09,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-12-02 06:10:09,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 620. [2018-12-02 06:10:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2018-12-02 06:10:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 883 transitions. [2018-12-02 06:10:09,337 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 883 transitions. Word has length 172 [2018-12-02 06:10:09,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:09,337 INFO L480 AbstractCegarLoop]: Abstraction has 620 states and 883 transitions. [2018-12-02 06:10:09,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:10:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 883 transitions. [2018-12-02 06:10:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 06:10:09,339 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:09,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:09,339 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:09,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:09,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1505826471, now seen corresponding path program 1 times [2018-12-02 06:10:09,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:09,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:09,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:09,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:09,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:10:09,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:10:09,449 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:10:09,449 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-02 06:10:09,451 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:10:09,475 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:10:09,475 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:10:09,877 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:10:09,878 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-02 06:10:09,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:09,883 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:10:10,089 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 82.95% of their original sizes. [2018-12-02 06:10:10,089 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:10:10,141 INFO L418 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-12-02 06:10:10,141 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:10:10,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:10:10,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 06:10:10,142 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:10:10,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:10:10,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:10:10,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:10:10,143 INFO L87 Difference]: Start difference. First operand 620 states and 883 transitions. Second operand 10 states. [2018-12-02 06:10:13,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:13,543 INFO L93 Difference]: Finished difference Result 1826 states and 2602 transitions. [2018-12-02 06:10:13,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 06:10:13,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-12-02 06:10:13,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:13,547 INFO L225 Difference]: With dead ends: 1826 [2018-12-02 06:10:13,547 INFO L226 Difference]: Without dead ends: 1212 [2018-12-02 06:10:13,548 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 06:10:13,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2018-12-02 06:10:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1206. [2018-12-02 06:10:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2018-12-02 06:10:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1565 transitions. [2018-12-02 06:10:13,566 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1565 transitions. Word has length 173 [2018-12-02 06:10:13,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:13,566 INFO L480 AbstractCegarLoop]: Abstraction has 1206 states and 1565 transitions. [2018-12-02 06:10:13,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:10:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1565 transitions. [2018-12-02 06:10:13,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-02 06:10:13,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:13,569 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:13,569 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:13,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:13,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1225701160, now seen corresponding path program 1 times [2018-12-02 06:10:13,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:13,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:13,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:13,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:13,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 06:10:13,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:10:13,620 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:10:13,621 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-12-02 06:10:13,621 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:10:13,623 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:10:13,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:10:13,736 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:10:13,736 INFO L272 AbstractInterpreter]: Visited 144 different actions 282 times. Merged at 4 different actions 4 times. Never widened. Performed 3058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-02 06:10:13,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:13,737 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:10:13,924 INFO L227 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 81.18% of their original sizes. [2018-12-02 06:10:13,924 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:10:13,973 INFO L418 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2018-12-02 06:10:13,974 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:10:13,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:10:13,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 06:10:13,974 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:10:13,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:10:13,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:10:13,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:10:13,975 INFO L87 Difference]: Start difference. First operand 1206 states and 1565 transitions. Second operand 10 states. [2018-12-02 06:10:16,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:16,648 INFO L93 Difference]: Finished difference Result 2846 states and 3690 transitions. [2018-12-02 06:10:16,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 06:10:16,648 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2018-12-02 06:10:16,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:16,652 INFO L225 Difference]: With dead ends: 2846 [2018-12-02 06:10:16,652 INFO L226 Difference]: Without dead ends: 1646 [2018-12-02 06:10:16,654 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 06:10:16,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-02 06:10:16,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1642. [2018-12-02 06:10:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2018-12-02 06:10:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2075 transitions. [2018-12-02 06:10:16,685 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2075 transitions. Word has length 203 [2018-12-02 06:10:16,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:16,685 INFO L480 AbstractCegarLoop]: Abstraction has 1642 states and 2075 transitions. [2018-12-02 06:10:16,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:10:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2075 transitions. [2018-12-02 06:10:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 06:10:16,687 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:16,688 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:16,688 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:16,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:16,688 INFO L82 PathProgramCache]: Analyzing trace with hash -2038493280, now seen corresponding path program 1 times [2018-12-02 06:10:16,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:16,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:16,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:16,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:16,689 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:10:16,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:10:16,788 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:10:16,788 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-12-02 06:10:16,788 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:10:16,791 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:10:16,791 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:10:16,959 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:10:16,960 INFO L272 AbstractInterpreter]: Visited 145 different actions 430 times. Merged at 7 different actions 17 times. Never widened. Performed 5047 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5047 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:10:16,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:16,961 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:10:16,961 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:10:16,961 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:10:16,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:16,968 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:10:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:17,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:10:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:10:17,109 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:10:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:10:17,199 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:10:17,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-02 06:10:17,199 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:10:17,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 06:10:17,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 06:10:17,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-12-02 06:10:17,200 INFO L87 Difference]: Start difference. First operand 1642 states and 2075 transitions. Second operand 14 states. [2018-12-02 06:10:18,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:18,623 INFO L93 Difference]: Finished difference Result 4465 states and 5901 transitions. [2018-12-02 06:10:18,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 06:10:18,623 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 207 [2018-12-02 06:10:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:18,628 INFO L225 Difference]: With dead ends: 4465 [2018-12-02 06:10:18,628 INFO L226 Difference]: Without dead ends: 2233 [2018-12-02 06:10:18,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 426 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-12-02 06:10:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2018-12-02 06:10:18,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2081. [2018-12-02 06:10:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-02 06:10:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2450 transitions. [2018-12-02 06:10:18,656 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2450 transitions. Word has length 207 [2018-12-02 06:10:18,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:18,657 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 2450 transitions. [2018-12-02 06:10:18,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 06:10:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2450 transitions. [2018-12-02 06:10:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-02 06:10:18,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:18,660 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:18,661 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:18,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:18,661 INFO L82 PathProgramCache]: Analyzing trace with hash -25860040, now seen corresponding path program 1 times [2018-12-02 06:10:18,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:18,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:18,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:18,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:18,662 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:10:18,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:10:18,771 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:10:18,771 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-12-02 06:10:18,771 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:10:18,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:10:18,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:10:18,952 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:10:18,953 INFO L272 AbstractInterpreter]: Visited 144 different actions 423 times. Merged at 6 different actions 13 times. Never widened. Performed 4993 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4993 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 06:10:18,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:18,955 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:10:18,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:10:18,956 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:10:18,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:18,978 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:10:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:19,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:10:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:10:19,054 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:10:19,096 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:10:19,111 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:10:19,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-02 06:10:19,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:10:19,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:10:19,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:10:19,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:10:19,111 INFO L87 Difference]: Start difference. First operand 2081 states and 2450 transitions. Second operand 3 states. [2018-12-02 06:10:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:19,333 INFO L93 Difference]: Finished difference Result 3866 states and 4682 transitions. [2018-12-02 06:10:19,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:10:19,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-12-02 06:10:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:19,337 INFO L225 Difference]: With dead ends: 3866 [2018-12-02 06:10:19,337 INFO L226 Difference]: Without dead ends: 2671 [2018-12-02 06:10:19,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:10:19,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2018-12-02 06:10:19,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2525. [2018-12-02 06:10:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2525 states. [2018-12-02 06:10:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 2947 transitions. [2018-12-02 06:10:19,368 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 2947 transitions. Word has length 224 [2018-12-02 06:10:19,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:19,368 INFO L480 AbstractCegarLoop]: Abstraction has 2525 states and 2947 transitions. [2018-12-02 06:10:19,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:10:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2947 transitions. [2018-12-02 06:10:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-02 06:10:19,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:10:19,371 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:10:19,371 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:10:19,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:19,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1474800227, now seen corresponding path program 1 times [2018-12-02 06:10:19,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:10:19,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:19,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:10:19,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:10:19,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:10:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:10:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 06:10:19,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:10:19,451 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:10:19,451 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-12-02 06:10:19,451 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:10:19,453 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:10:19,453 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:10:19,610 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:10:19,610 INFO L272 AbstractInterpreter]: Visited 144 different actions 427 times. Merged at 6 different actions 15 times. Never widened. Performed 4882 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4882 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:10:19,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:10:19,612 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:10:19,762 INFO L227 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 84.79% of their original sizes. [2018-12-02 06:10:19,762 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:10:19,794 INFO L418 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-12-02 06:10:19,794 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:10:19,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:10:19,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-02 06:10:19,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:10:19,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:10:19,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:10:19,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:10:19,795 INFO L87 Difference]: Start difference. First operand 2525 states and 2947 transitions. Second operand 9 states. [2018-12-02 06:10:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:10:21,872 INFO L93 Difference]: Finished difference Result 4352 states and 5224 transitions. [2018-12-02 06:10:21,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 06:10:21,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 251 [2018-12-02 06:10:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:10:21,872 INFO L225 Difference]: With dead ends: 4352 [2018-12-02 06:10:21,872 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:10:21,877 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 06:10:21,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:10:21,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:10:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:10:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:10:21,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 251 [2018-12-02 06:10:21,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:10:21,877 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:10:21,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:10:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:10:21,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:10:21,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:10:21,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:10:21,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:10:22,446 WARN L180 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 74 [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:10:22,614 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,614 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-02 06:10:22,615 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-02 06:10:22,616 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-02 06:10:22,617 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-02 06:10:22,618 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-02 06:10:22,619 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-02 06:10:22,620 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 571) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-02 06:10:22,621 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,622 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 9 |old(~a28~0)|)) (.cse14 (= |old(~a11~0)| ~a11~0)) (.cse19 (= |old(~a17~0)| ~a17~0)) (.cse15 (= ~a28~0 |old(~a28~0)|))) (let ((.cse7 (= 0 |old(~a28~0)|)) (.cse9 (= ~a19~0 1)) (.cse1 (and .cse14 .cse19 .cse15)) (.cse5 (= 1 |old(~a11~0)|)) (.cse16 (not (= |old(~a17~0)| 8))) (.cse17 (<= ~a19~0 0)) (.cse2 (= 8 |old(~a28~0)|)) (.cse18 (< 0 |old(~a19~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse12 (not (= 1 |old(~a25~0)|))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse11 (not (= 0 |old(~a11~0)|))) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse13 (not .cse3)) (.cse10 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse0 (= ~a25~0 0) .cse6 .cse7 .cse2 .cse11 .cse8 .cse10 (not (= 0 |old(~a25~0)|))) (or .cse0 .cse12 .cse6 .cse8 (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) .cse13 (not .cse5)) (or (or .cse0 .cse2) .cse6 .cse7 (and .cse14 (= ~a17~0 8) .cse9 .cse15) .cse8 .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse16) (or .cse0 .cse5 .cse3 .cse16 .cse1) (or .cse0 .cse5 .cse17 .cse3 .cse16 .cse18) (or .cse17 (or .cse0 .cse2 .cse3 .cse16 .cse18)) (or .cse0 (and .cse14 .cse17 .cse19 .cse15) .cse2 .cse18 .cse4) (or (or .cse0 .cse12 .cse6 .cse11 .cse8 .cse13) (= ~a25~0 1) .cse10)))) [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-02 06:10:22,623 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,624 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:10:22,625 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-02 06:10:22,625 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:10:22,626 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:10:22,626 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|))) [2018-12-02 06:10:22,626 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a17~0 8)) (.cse2 (<= ~a17~0 7)) (.cse0 (not (= ~a28~0 8))) (.cse3 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 (= ~a19~0 1)) (and .cse2 (<= ~a19~0 0) .cse0) (and .cse1 (not (= ~a11~0 1)) .cse3) (and (= |old(~a17~0)| ~a17~0) .cse0 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse0 .cse3))) [2018-12-02 06:10:22,626 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-02 06:10:22,626 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-02 06:10:22,626 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse1 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a11~0 1)) .cse1) (and .cse2 (<= ~a19~0 0) .cse3) (and (not (= main_~input~0 0)) .cse3 (= ~a17~0 8) (= ~a19~0 1)) (and .cse0 .cse3 .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (and .cse2 .cse3 .cse1) (not (= 0 |old(~a25~0)|)))) [2018-12-02 06:10:22,626 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-02 06:10:22,626 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-02 06:10:22,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:10:22 BoogieIcfgContainer [2018-12-02 06:10:22,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:10:22,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:10:22,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:10:22,634 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:10:22,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:10:07" (3/4) ... [2018-12-02 06:10:22,637 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:10:22,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:10:22,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 06:10:22,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:10:22,647 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 06:10:22,648 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 06:10:22,664 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || !(0 == \old(a25))) || ((!(a28 == 8) && a17 == 8) && a19 == 1)) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) [2018-12-02 06:10:22,722 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_044dba5b-08af-44b1-8762-e0c9325128b6/bin-2019/utaipan/witness.graphml [2018-12-02 06:10:22,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:10:22,723 INFO L168 Benchmark]: Toolchain (without parser) took 16216.81 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 845.7 MB). Free memory was 948.1 MB in the beginning and 1.6 GB in the end (delta: -660.1 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:10:22,723 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:10:22,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:10:22,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.68 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:10:22,724 INFO L168 Benchmark]: Boogie Preprocessor took 34.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:10:22,724 INFO L168 Benchmark]: RCFGBuilder took 552.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.0 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:10:22,724 INFO L168 Benchmark]: TraceAbstraction took 15216.50 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 734.5 MB). Free memory was 989.0 MB in the beginning and 1.6 GB in the end (delta: -638.7 MB). Peak memory consumption was 961.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:10:22,724 INFO L168 Benchmark]: Witness Printer took 88.38 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:10:22,725 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.68 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 552.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.0 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15216.50 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 734.5 MB). Free memory was 989.0 MB in the beginning and 1.6 GB in the end (delta: -638.7 MB). Peak memory consumption was 961.3 MB. Max. memory is 11.5 GB. * Witness Printer took 88.38 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 571]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || !(0 == \old(a25))) || ((!(a28 == 8) && a17 == 8) && a19 == 1)) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 15.1s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 11.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 690 SDtfs, 5590 SDslu, 724 SDs, 0 SdLazy, 7495 SolverSat, 1386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1586 GetRequests, 1481 SyntacticMatches, 7 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2525occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9975097702379191 AbsIntWeakeningRatio, 0.16826923076923078 AbsIntAvgWeakeningVarsNumRemoved, 26.727564102564102 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 317 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 132 NumberOfFragments, 574 HoareAnnotationTreeSize, 76 FomulaSimplifications, 2506 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2306 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1947 NumberOfCodeBlocks, 1947 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522222 SizeOfPredicates, 2 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 804/917 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...