./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/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 1e89048ccdb20a97a14cb213e125edb5cbe6d123 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:55:36,956 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:55:36,958 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:55:36,966 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:55:36,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:55:36,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:55:36,968 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:55:36,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:55:36,970 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:55:36,971 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:55:36,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:55:36,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:55:36,973 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:55:36,973 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:55:36,974 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:55:36,974 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:55:36,975 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:55:36,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:55:36,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:55:36,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:55:36,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:55:36,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:55:36,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:55:36,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:55:36,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:55:36,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:55:36,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:55:36,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:55:36,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:55:36,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:55:36,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:55:36,987 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:55:36,987 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:55:36,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:55:36,988 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:55:36,989 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:55:36,989 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:55:36,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:55:36,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:55:36,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:55:36,999 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:55:36,999 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:55:37,000 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:55:37,000 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:55:37,000 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:55:37,000 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:55:37,000 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:55:37,000 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:55:37,001 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:55:37,001 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:55:37,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:55:37,001 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:55:37,002 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:55:37,002 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:55:37,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:55:37,002 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:55:37,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:55:37,002 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:55:37,002 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:55:37,003 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:55:37,003 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:55:37,003 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:55:37,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:55:37,003 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:55:37,004 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:55:37,004 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:55:37,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:55:37,004 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:55:37,004 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:55:37,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:55:37,004 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:55:37,005 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:55:37,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:55:37,005 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:55:37,005 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_7c3a275b-8e6f-4c76-aec4-2517048c87ab/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 -> 1e89048ccdb20a97a14cb213e125edb5cbe6d123 [2018-11-23 01:55:37,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:55:37,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:55:37,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:55:37,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:55:37,047 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:55:37,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c [2018-11-23 01:55:37,095 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/data/0eadaf7e6/334ba66319bd418fb24c539ac795148d/FLAGe35740266 [2018-11-23 01:55:37,561 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:55:37,562 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c [2018-11-23 01:55:37,570 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/data/0eadaf7e6/334ba66319bd418fb24c539ac795148d/FLAGe35740266 [2018-11-23 01:55:38,069 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/data/0eadaf7e6/334ba66319bd418fb24c539ac795148d [2018-11-23 01:55:38,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:55:38,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:55:38,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:55:38,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:55:38,077 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:55:38,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38, skipping insertion in model container [2018-11-23 01:55:38,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:55:38,133 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:55:38,429 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:55:38,433 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:55:38,500 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:55:38,513 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:55:38,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38 WrapperNode [2018-11-23 01:55:38,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:55:38,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:55:38,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:55:38,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:55:38,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:55:38,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:55:38,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:55:38,594 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:55:38,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... [2018-11-23 01:55:38,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:55:38,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:55:38,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:55:38,643 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:55:38,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/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 [2018-11-23 01:55:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 01:55:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:55:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:55:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 01:55:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 01:55:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:55:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:55:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:55:38,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:55:39,653 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:55:39,654 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 01:55:39,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:39 BoogieIcfgContainer [2018-11-23 01:55:39,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:55:39,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:55:39,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:55:39,662 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:55:39,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:55:38" (1/3) ... [2018-11-23 01:55:39,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a990adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:39, skipping insertion in model container [2018-11-23 01:55:39,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:38" (2/3) ... [2018-11-23 01:55:39,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a990adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:39, skipping insertion in model container [2018-11-23 01:55:39,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:39" (3/3) ... [2018-11-23 01:55:39,665 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label39_true-unreach-call_false-termination.c [2018-11-23 01:55:39,673 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:55:39,680 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:55:39,693 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:55:39,720 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:55:39,720 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:55:39,720 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:55:39,720 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:55:39,721 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:55:39,721 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:55:39,721 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:55:39,721 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:55:39,740 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 01:55:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 01:55:39,748 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:39,749 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] [2018-11-23 01:55:39,751 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:39,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:39,755 INFO L82 PathProgramCache]: Analyzing trace with hash 640678305, now seen corresponding path program 1 times [2018-11-23 01:55:39,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:39,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:39,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:39,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:39,804 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:40,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:55:40,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:55:40,094 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:40,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:55:40,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:55:40,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:55:40,112 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 01:55:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:40,674 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-23 01:55:40,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:55:40,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-23 01:55:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:40,689 INFO L225 Difference]: With dead ends: 618 [2018-11-23 01:55:40,689 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 01:55:40,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:55:40,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 01:55:40,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-23 01:55:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-23 01:55:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 606 transitions. [2018-11-23 01:55:40,748 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 606 transitions. Word has length 117 [2018-11-23 01:55:40,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:40,749 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 606 transitions. [2018-11-23 01:55:40,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:55:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 606 transitions. [2018-11-23 01:55:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 01:55:40,753 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:40,753 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] [2018-11-23 01:55:40,754 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:40,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:40,754 INFO L82 PathProgramCache]: Analyzing trace with hash -758657178, now seen corresponding path program 1 times [2018-11-23 01:55:40,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:40,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:40,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:40,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:40,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:40,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:55:40,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:55:40,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:40,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:55:40,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:55:40,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:55:40,968 INFO L87 Difference]: Start difference. First operand 380 states and 606 transitions. Second operand 5 states. [2018-11-23 01:55:41,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:41,479 INFO L93 Difference]: Finished difference Result 898 states and 1492 transitions. [2018-11-23 01:55:41,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:55:41,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-11-23 01:55:41,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:41,482 INFO L225 Difference]: With dead ends: 898 [2018-11-23 01:55:41,482 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 01:55:41,484 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 [2018-11-23 01:55:41,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 01:55:41,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-23 01:55:41,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-23 01:55:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 600 transitions. [2018-11-23 01:55:41,504 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 600 transitions. Word has length 125 [2018-11-23 01:55:41,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:41,505 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 600 transitions. [2018-11-23 01:55:41,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:55:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 600 transitions. [2018-11-23 01:55:41,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 01:55:41,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:41,507 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 01:55:41,507 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:41,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:41,508 INFO L82 PathProgramCache]: Analyzing trace with hash 79547442, now seen corresponding path program 1 times [2018-11-23 01:55:41,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:41,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:41,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:41,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:41,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:41,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:55:41,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:55:41,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:41,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:55:41,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:55:41,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:55:41,734 INFO L87 Difference]: Start difference. First operand 379 states and 600 transitions. Second operand 5 states. [2018-11-23 01:55:42,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:42,161 INFO L93 Difference]: Finished difference Result 896 states and 1477 transitions. [2018-11-23 01:55:42,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:55:42,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-23 01:55:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:42,164 INFO L225 Difference]: With dead ends: 896 [2018-11-23 01:55:42,165 INFO L226 Difference]: Without dead ends: 378 [2018-11-23 01:55:42,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:55:42,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-11-23 01:55:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2018-11-23 01:55:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-11-23 01:55:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 592 transitions. [2018-11-23 01:55:42,179 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 592 transitions. Word has length 131 [2018-11-23 01:55:42,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:42,179 INFO L480 AbstractCegarLoop]: Abstraction has 378 states and 592 transitions. [2018-11-23 01:55:42,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:55:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 592 transitions. [2018-11-23 01:55:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 01:55:42,182 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:42,182 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 01:55:42,183 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:42,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:42,183 INFO L82 PathProgramCache]: Analyzing trace with hash 505867657, now seen corresponding path program 1 times [2018-11-23 01:55:42,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:42,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:42,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:42,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:42,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:42,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:55:42,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:55:42,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:42,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:55:42,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:55:42,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:55:42,264 INFO L87 Difference]: Start difference. First operand 378 states and 592 transitions. Second operand 6 states. [2018-11-23 01:55:43,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:43,058 INFO L93 Difference]: Finished difference Result 1186 states and 1935 transitions. [2018-11-23 01:55:43,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:55:43,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-23 01:55:43,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:43,062 INFO L225 Difference]: With dead ends: 1186 [2018-11-23 01:55:43,062 INFO L226 Difference]: Without dead ends: 814 [2018-11-23 01:55:43,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:55:43,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-23 01:55:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 803. [2018-11-23 01:55:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-11-23 01:55:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1204 transitions. [2018-11-23 01:55:43,086 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1204 transitions. Word has length 139 [2018-11-23 01:55:43,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:43,086 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 1204 transitions. [2018-11-23 01:55:43,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:55:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1204 transitions. [2018-11-23 01:55:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 01:55:43,089 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:43,089 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:55:43,089 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:43,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:43,089 INFO L82 PathProgramCache]: Analyzing trace with hash -571744819, now seen corresponding path program 1 times [2018-11-23 01:55:43,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:43,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:43,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:43,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:43,090 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:43,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:55:43,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:55:43,231 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:43,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:55:43,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:55:43,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:55:43,232 INFO L87 Difference]: Start difference. First operand 803 states and 1204 transitions. Second operand 5 states. [2018-11-23 01:55:43,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:43,793 INFO L93 Difference]: Finished difference Result 1744 states and 2660 transitions. [2018-11-23 01:55:43,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:55:43,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-23 01:55:43,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:43,797 INFO L225 Difference]: With dead ends: 1744 [2018-11-23 01:55:43,798 INFO L226 Difference]: Without dead ends: 800 [2018-11-23 01:55:43,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:55:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-23 01:55:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2018-11-23 01:55:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-23 01:55:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1186 transitions. [2018-11-23 01:55:43,820 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1186 transitions. Word has length 141 [2018-11-23 01:55:43,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:43,821 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1186 transitions. [2018-11-23 01:55:43,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:55:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1186 transitions. [2018-11-23 01:55:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 01:55:43,823 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:43,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:55:43,823 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:43,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:43,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1019973137, now seen corresponding path program 1 times [2018-11-23 01:55:43,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:43,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:43,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:43,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:43,825 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:43,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:55:43,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:55:43,958 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:43,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:55:43,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:55:43,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:55:43,959 INFO L87 Difference]: Start difference. First operand 800 states and 1186 transitions. Second operand 5 states. [2018-11-23 01:55:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:44,431 INFO L93 Difference]: Finished difference Result 1738 states and 2621 transitions. [2018-11-23 01:55:44,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:55:44,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-11-23 01:55:44,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:44,437 INFO L225 Difference]: With dead ends: 1738 [2018-11-23 01:55:44,438 INFO L226 Difference]: Without dead ends: 797 [2018-11-23 01:55:44,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:55:44,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-23 01:55:44,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2018-11-23 01:55:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2018-11-23 01:55:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1165 transitions. [2018-11-23 01:55:44,459 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1165 transitions. Word has length 143 [2018-11-23 01:55:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:44,459 INFO L480 AbstractCegarLoop]: Abstraction has 797 states and 1165 transitions. [2018-11-23 01:55:44,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:55:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1165 transitions. [2018-11-23 01:55:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 01:55:44,461 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:44,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:55:44,462 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:44,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1793380711, now seen corresponding path program 1 times [2018-11-23 01:55:44,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:44,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:44,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:44,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:44,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:44,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:55:44,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:55:44,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:44,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:55:44,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:55:44,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:55:44,541 INFO L87 Difference]: Start difference. First operand 797 states and 1165 transitions. Second operand 6 states. [2018-11-23 01:55:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:45,153 INFO L93 Difference]: Finished difference Result 2367 states and 3607 transitions. [2018-11-23 01:55:45,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:55:45,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-23 01:55:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:45,159 INFO L225 Difference]: With dead ends: 2367 [2018-11-23 01:55:45,160 INFO L226 Difference]: Without dead ends: 1576 [2018-11-23 01:55:45,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:55:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-11-23 01:55:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1550. [2018-11-23 01:55:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2018-11-23 01:55:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2217 transitions. [2018-11-23 01:55:45,188 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2217 transitions. Word has length 147 [2018-11-23 01:55:45,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:45,188 INFO L480 AbstractCegarLoop]: Abstraction has 1550 states and 2217 transitions. [2018-11-23 01:55:45,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:55:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2217 transitions. [2018-11-23 01:55:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 01:55:45,191 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:45,192 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 01:55:45,192 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:45,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:45,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1396546535, now seen corresponding path program 1 times [2018-11-23 01:55:45,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:45,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:45,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:45,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:45,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:45,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:55:45,262 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:55:45,263 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-23 01:55:45,264 INFO L202 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], [107], [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], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 01:55:45,295 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:55:45,295 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:55:45,720 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:55:45,721 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 2698 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2698 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 01:55:45,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:45,738 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:55:46,030 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 82.54% of their original sizes. [2018-11-23 01:55:46,030 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:55:46,081 INFO L415 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-11-23 01:55:46,082 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:55:46,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:55:46,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 01:55:46,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:55:46,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:55:46,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:55:46,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:55:46,083 INFO L87 Difference]: Start difference. First operand 1550 states and 2217 transitions. Second operand 10 states. [2018-11-23 01:55:50,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:50,857 INFO L93 Difference]: Finished difference Result 3902 states and 5544 transitions. [2018-11-23 01:55:50,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 01:55:50,857 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-11-23 01:55:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:50,865 INFO L225 Difference]: With dead ends: 3902 [2018-11-23 01:55:50,865 INFO L226 Difference]: Without dead ends: 2358 [2018-11-23 01:55:50,869 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 01:55:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2018-11-23 01:55:50,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2289. [2018-11-23 01:55:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2018-11-23 01:55:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3065 transitions. [2018-11-23 01:55:50,916 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3065 transitions. Word has length 181 [2018-11-23 01:55:50,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:50,916 INFO L480 AbstractCegarLoop]: Abstraction has 2289 states and 3065 transitions. [2018-11-23 01:55:50,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:55:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3065 transitions. [2018-11-23 01:55:50,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 01:55:50,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:50,922 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] [2018-11-23 01:55:50,922 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:50,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:50,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1331960664, now seen corresponding path program 1 times [2018-11-23 01:55:50,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:50,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:50,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:50,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:50,924 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:51,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:55:51,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:55:51,115 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-23 01:55:51,115 INFO L202 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], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 01:55:51,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:55:51,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:55:51,348 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:55:51,348 INFO L272 AbstractInterpreter]: Visited 123 different actions 367 times. Merged at 7 different actions 20 times. Never widened. Performed 4439 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4439 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 01:55:51,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:51,350 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:55:51,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:55:51,350 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/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 [2018-11-23 01:55:51,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:51,357 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:55:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:51,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:55:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:55:51,529 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:55:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:55:51,788 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:55:51,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-23 01:55:51,788 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:55:51,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 01:55:51,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 01:55:51,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-23 01:55:51,790 INFO L87 Difference]: Start difference. First operand 2289 states and 3065 transitions. Second operand 14 states. [2018-11-23 01:55:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:55:53,567 INFO L93 Difference]: Finished difference Result 7697 states and 10747 transitions. [2018-11-23 01:55:53,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 01:55:53,568 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 185 [2018-11-23 01:55:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:55:53,575 INFO L225 Difference]: With dead ends: 7697 [2018-11-23 01:55:53,575 INFO L226 Difference]: Without dead ends: 3047 [2018-11-23 01:55:53,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 382 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 01:55:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2018-11-23 01:55:53,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 3024. [2018-11-23 01:55:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3024 states. [2018-11-23 01:55:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 3595 transitions. [2018-11-23 01:55:53,634 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 3595 transitions. Word has length 185 [2018-11-23 01:55:53,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:55:53,635 INFO L480 AbstractCegarLoop]: Abstraction has 3024 states and 3595 transitions. [2018-11-23 01:55:53,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 01:55:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 3595 transitions. [2018-11-23 01:55:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-23 01:55:53,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:55:53,688 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:55:53,688 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:55:53,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:53,689 INFO L82 PathProgramCache]: Analyzing trace with hash -2061597238, now seen corresponding path program 1 times [2018-11-23 01:55:53,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:55:53,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:53,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:53,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:55:53,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:55:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 226 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:55:54,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:55:54,134 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:55:54,134 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-11-23 01:55:54,134 INFO L202 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], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [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], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 01:55:54,137 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:55:54,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:55:54,397 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:55:54,397 INFO L272 AbstractInterpreter]: Visited 125 different actions 485 times. Merged at 7 different actions 22 times. Never widened. Performed 5746 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5746 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 01:55:54,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:55:54,403 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:55:54,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:55:54,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/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 [2018-11-23 01:55:54,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:55:54,410 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:55:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:55:54,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:55:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 01:55:54,576 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:55:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 01:55:54,773 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:55:54,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-11-23 01:55:54,773 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:55:54,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 01:55:54,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 01:55:54,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-23 01:55:54,774 INFO L87 Difference]: Start difference. First operand 3024 states and 3595 transitions. Second operand 20 states. [2018-11-23 01:56:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:56:00,015 INFO L93 Difference]: Finished difference Result 6939 states and 8997 transitions. [2018-11-23 01:56:00,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-11-23 01:56:00,015 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 264 [2018-11-23 01:56:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:56:00,025 INFO L225 Difference]: With dead ends: 6939 [2018-11-23 01:56:00,025 INFO L226 Difference]: Without dead ends: 3697 [2018-11-23 01:56:00,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 557 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2080 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1331, Invalid=5475, Unknown=0, NotChecked=0, Total=6806 [2018-11-23 01:56:00,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3697 states. [2018-11-23 01:56:00,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3697 to 3063. [2018-11-23 01:56:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3063 states. [2018-11-23 01:56:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 3063 states and 3561 transitions. [2018-11-23 01:56:00,089 INFO L78 Accepts]: Start accepts. Automaton has 3063 states and 3561 transitions. Word has length 264 [2018-11-23 01:56:00,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:56:00,089 INFO L480 AbstractCegarLoop]: Abstraction has 3063 states and 3561 transitions. [2018-11-23 01:56:00,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 01:56:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3561 transitions. [2018-11-23 01:56:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-23 01:56:00,095 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:56:00,095 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 01:56:00,095 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:56:00,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:56:00,095 INFO L82 PathProgramCache]: Analyzing trace with hash -406982053, now seen corresponding path program 1 times [2018-11-23 01:56:00,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:56:00,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:56:00,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:56:00,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:56:00,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:56:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:56:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 170 proven. 13 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 01:56:00,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:56:00,286 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:56:00,286 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 267 with the following transitions: [2018-11-23 01:56:00,287 INFO L202 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], [202], [205], [209], [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], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 01:56:00,290 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:56:00,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:56:00,442 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:56:00,442 INFO L272 AbstractInterpreter]: Visited 123 different actions 362 times. Merged at 6 different actions 15 times. Never widened. Performed 4215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 01:56:00,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:56:00,450 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:56:00,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:56:00,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:56:00,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:56:00,467 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:56:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:56:00,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:56:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 01:56:00,557 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:56:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 170 proven. 13 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 01:56:00,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:56:00,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 01:56:00,631 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:56:00,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:56:00,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:56:00,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:56:00,632 INFO L87 Difference]: Start difference. First operand 3063 states and 3561 transitions. Second operand 9 states. [2018-11-23 01:56:01,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:56:01,807 INFO L93 Difference]: Finished difference Result 6179 states and 7213 transitions. [2018-11-23 01:56:01,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 01:56:01,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 266 [2018-11-23 01:56:01,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:56:01,811 INFO L225 Difference]: With dead ends: 6179 [2018-11-23 01:56:01,811 INFO L226 Difference]: Without dead ends: 2191 [2018-11-23 01:56:01,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2018-11-23 01:56:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2018-11-23 01:56:01,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2168. [2018-11-23 01:56:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2168 states. [2018-11-23 01:56:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 2460 transitions. [2018-11-23 01:56:01,858 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 2460 transitions. Word has length 266 [2018-11-23 01:56:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:56:01,858 INFO L480 AbstractCegarLoop]: Abstraction has 2168 states and 2460 transitions. [2018-11-23 01:56:01,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:56:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2460 transitions. [2018-11-23 01:56:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-23 01:56:01,866 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:56:01,866 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:56:01,866 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:56:01,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:56:01,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1179805392, now seen corresponding path program 1 times [2018-11-23 01:56:01,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:56:01,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:56:01,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:56:01,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:56:01,868 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:56:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:56:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 01:56:02,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:56:02,008 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:56:02,008 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-23 01:56:02,008 INFO L202 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], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [159], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [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], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 01:56:02,010 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:56:02,010 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:56:02,285 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:56:02,285 INFO L272 AbstractInterpreter]: Visited 126 different actions 495 times. Merged at 8 different actions 28 times. Widened at 1 different actions 1 times. Performed 5888 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5888 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-23 01:56:02,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:56:02,287 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:56:02,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:56:02,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:56:02,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:56:02,295 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:56:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:56:02,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:56:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 01:56:02,421 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:56:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 01:56:02,582 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:56:02,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-23 01:56:02,582 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:56:02,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:56:02,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:56:02,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:56:02,583 INFO L87 Difference]: Start difference. First operand 2168 states and 2460 transitions. Second operand 6 states. [2018-11-23 01:56:02,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:56:02,943 INFO L93 Difference]: Finished difference Result 3879 states and 4476 transitions. [2018-11-23 01:56:02,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:56:02,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 307 [2018-11-23 01:56:02,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:56:02,943 INFO L225 Difference]: With dead ends: 3879 [2018-11-23 01:56:02,944 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:56:02,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 615 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:56:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:56:02,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:56:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:56:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:56:02,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307 [2018-11-23 01:56:02,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:56:02,949 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:56:02,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:56:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:56:02,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:56:02,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:56:03,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,187 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 149 [2018-11-23 01:56:03,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:56:03,307 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 137 [2018-11-23 01:56:04,173 WARN L180 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 77 [2018-11-23 01:56:04,890 WARN L180 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 57 [2018-11-23 01:56:05,250 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 57 [2018-11-23 01:56:05,252 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:56:05,252 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 01:56:05,252 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:56:05,252 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,252 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,252 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,252 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 01:56:05,253 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 01:56:05,254 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 01:56:05,255 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 01:56:05,256 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 01:56:05,257 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 01:56:05,258 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 505) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,259 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 01:56:05,260 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 01:56:05,261 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,262 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 01:56:05,263 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,264 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 01:56:05,265 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,266 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,267 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse14 (= |old(~a11~0)| ~a11~0)) (.cse17 (= ~a19~0 |old(~a19~0)|)) (.cse23 (= 1 |old(~a19~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= 1 ~a11~0)) (.cse16 (= ~a28~0 |old(~a28~0)|)) (.cse18 (= ~a25~0 |old(~a25~0)|)) (.cse1 (= 1 |old(~a11~0)|)) (.cse19 (= 1 |old(~a25~0)|))) (let ((.cse5 (= 9 |old(~a28~0)|)) (.cse8 (not (= 7 |old(~a28~0)|))) (.cse21 (= 8 ~a17~0)) (.cse13 (= 1 ~a19~0)) (.cse9 (not .cse19)) (.cse20 (not (= 8 |old(~a17~0)|))) (.cse24 (not (= 10 |old(~a28~0)|))) (.cse11 (not .cse1)) (.cse22 (and .cse15 .cse12 .cse16 .cse18)) (.cse2 (= 8 |old(~a28~0)|)) (.cse3 (< 7 |old(~a17~0)|)) (.cse4 (< 10 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse10 (not .cse23)) (.cse6 (not (= |old(~a17~0)| 8))) (.cse7 (and .cse14 .cse15 .cse17 .cse16 .cse18))) (and (or .cse0 .cse1 .cse2 (not (= ~a11~0 1)) .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse9 .cse10 .cse11 (and .cse12 .cse13) (not (= 7 |old(~a17~0)|))) (or (and .cse14 .cse15 .cse16 .cse17 .cse18) (or .cse4 .cse0 .cse1 .cse5 .cse6 .cse19)) (or .cse0 .cse9 .cse10 .cse20 (and .cse12 (= 1 ~a25~0) (= 9 ~a28~0) .cse21 .cse13) (not .cse5) .cse11) (or .cse4 .cse0 .cse22 .cse2 .cse6 .cse11 .cse19) (or .cse23 .cse0 .cse8 .cse20 (not .cse13) .cse19) (or .cse0 .cse1 .cse9 .cse10 .cse20 (and .cse14 .cse21 .cse17 .cse16 .cse18)) (or .cse13 .cse0 .cse24 .cse9 .cse10 .cse20) (or .cse0 .cse24 .cse6 .cse11 .cse22) (or (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) .cse16) .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse10 .cse6 .cse7)))) [2018-11-23 01:56:05,267 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,267 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,267 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 01:56:05,268 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 01:56:05,269 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 01:56:05,269 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 01:56:05,269 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 01:56:05,269 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,269 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,269 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,269 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 01:56:05,271 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 01:56:05,272 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 01:56:05,273 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 01:56:05,274 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 01:56:05,275 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:56:05,276 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)) [2018-11-23 01:56:05,276 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:56:05,276 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:56:05,276 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 01:56:05,276 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (not (= ~a28~0 9))) (.cse6 (= 1 ~a11~0)) (.cse1 (not (= ~a25~0 1))) (.cse2 (= |old(~a17~0)| ~a17~0)) (.cse3 (<= ~a28~0 10)) (.cse5 (not (= ~a28~0 8))) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= 1 ~a19~0)) (.cse7 (= 8 ~a17~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse5) (not (= 0 |old(~a11~0)|)) (and .cse6 (and .cse2 (= 10 ~a28~0))) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse6 (= 9 ~a28~0) .cse7 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse2 .cse3 .cse8) (and .cse6 (and .cse1 .cse2 .cse3 .cse5)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 (= 1 ~a25~0) .cse8 .cse7))) [2018-11-23 01:56:05,277 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 01:56:05,277 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 01:56:05,277 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (not (= ~a28~0 9))) (.cse6 (= 1 ~a11~0)) (.cse1 (not (= ~a25~0 1))) (.cse2 (= |old(~a17~0)| ~a17~0)) (.cse3 (<= ~a28~0 10)) (.cse5 (not (= ~a28~0 8))) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= 1 ~a19~0)) (.cse7 (= 8 ~a17~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse5) (not (= 0 |old(~a11~0)|)) (and .cse6 (and .cse2 (= 10 ~a28~0))) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse6 (= 9 ~a28~0) .cse7 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse2 .cse3 .cse8) (and .cse6 (and .cse1 .cse2 .cse3 .cse5)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 (= 1 ~a25~0) .cse8 .cse7))) [2018-11-23 01:56:05,277 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 01:56:05,277 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 01:56:05,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:56:05 BoogieIcfgContainer [2018-11-23 01:56:05,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:56:05,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:56:05,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:56:05,368 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:56:05,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:39" (3/4) ... [2018-11-23 01:56:05,373 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:56:05,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:56:05,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 01:56:05,378 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:56:05,387 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 01:56:05,387 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 01:56:05,408 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((a11 == \old(a11) && ((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 9)) || !(1 == a21)) || !(7 == \old(a28))) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || (1 == a11 && \old(a17) == a17 && 10 == a28)) || ((((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || (((1 == a11 && 9 == a28) && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && 1 == a19)) || (1 == a11 && ((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((a11 == \old(a11) && 1 == a25) && 1 == a19) && 8 == a17) [2018-11-23 01:56:05,469 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c3a275b-8e6f-4c76-aec4-2517048c87ab/bin-2019/utaipan/witness.graphml [2018-11-23 01:56:05,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:56:05,470 INFO L168 Benchmark]: Toolchain (without parser) took 27396.91 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 956.5 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:56:05,470 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:56:05,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:56:05,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -243.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:56:05,471 INFO L168 Benchmark]: Boogie Preprocessor took 48.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:56:05,471 INFO L168 Benchmark]: RCFGBuilder took 1011.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:56:05,471 INFO L168 Benchmark]: TraceAbstraction took 25712.83 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 960.5 MB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -969.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 01:56:05,471 INFO L168 Benchmark]: Witness Printer took 101.39 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 68.3 kB). Peak memory consumption was 68.3 kB. Max. memory is 11.5 GB. [2018-11-23 01:56:05,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -243.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1011.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25712.83 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 960.5 MB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -969.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 101.39 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 68.3 kB). Peak memory consumption was 68.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 505]: 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: (((((((((((((a11 == \old(a11) && ((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 9)) || !(1 == a21)) || !(7 == \old(a28))) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || (1 == a11 && \old(a17) == a17 && 10 == a28)) || ((((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || (((1 == a11 && 9 == a28) && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && 1 == a19)) || (1 == a11 && ((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((a11 == \old(a11) && 1 == a25) && 1 == a19) && 8 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 25.5s OverallTime, 12 OverallIterations, 5 TraceHistogramMax, 17.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1284 SDtfs, 12130 SDslu, 2034 SDs, 0 SdLazy, 17465 SolverSat, 3184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2491 GetRequests, 2287 SyntacticMatches, 13 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2441 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3063occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9974566577017558 AbsIntWeakeningRatio, 0.18333333333333332 AbsIntAvgWeakeningVarsNumRemoved, 26.68888888888889 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 786 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 136 PreInvPairs, 222 NumberOfFragments, 732 HoareAnnotationTreeSize, 136 FomulaSimplifications, 9364 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7342 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3168 NumberOfCodeBlocks, 3168 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4170 ConstructedInterpolants, 0 QuantifiedInterpolants, 3238236 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2326 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 3213/3317 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...