./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/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 936e1fac1e718929285e646469efe9b1619e10b2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:56:46,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:56:46,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:56:46,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:56:46,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:56:46,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:56:46,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:56:46,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:56:46,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:56:46,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:56:46,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:56:46,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:56:46,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:56:46,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:56:46,302 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:56:46,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:56:46,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:56:46,304 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:56:46,305 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:56:46,306 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:56:46,306 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:56:46,307 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:56:46,308 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:56:46,308 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:56:46,308 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:56:46,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:56:46,309 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:56:46,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:56:46,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:56:46,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:56:46,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:56:46,311 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:56:46,311 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:56:46,311 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:56:46,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:56:46,312 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:56:46,312 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 06:56:46,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:56:46,319 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:56:46,320 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:56:46,320 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:56:46,320 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:56:46,320 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:56:46,320 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:56:46,320 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:56:46,321 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:56:46,321 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:56:46,321 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:56:46,321 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:56:46,321 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:56:46,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:56:46,321 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:56:46,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:56:46,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:56:46,322 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:56:46,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:56:46,323 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 06:56:46,323 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_4470e952-8993-42d8-b09b-4c8b6a602d65/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-12-09 06:56:46,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:56:46,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:56:46,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:56:46,351 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:56:46,352 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:56:46,352 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-09 06:56:46,388 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/data/b38d8bae9/b5a203dc42b848a4b3b3c9f65598611c/FLAG3542b72bb [2018-12-09 06:56:46,763 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:56:46,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-09 06:56:46,770 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/data/b38d8bae9/b5a203dc42b848a4b3b3c9f65598611c/FLAG3542b72bb [2018-12-09 06:56:46,778 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/data/b38d8bae9/b5a203dc42b848a4b3b3c9f65598611c [2018-12-09 06:56:46,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:56:46,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:56:46,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:56:46,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:56:46,783 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:56:46,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:56:46" (1/1) ... [2018-12-09 06:56:46,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:46, skipping insertion in model container [2018-12-09 06:56:46,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:56:46" (1/1) ... [2018-12-09 06:56:46,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:56:46,812 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:56:46,990 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:56:46,993 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:56:47,083 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:56:47,093 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:56:47,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47 WrapperNode [2018-12-09 06:56:47,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:56:47,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:56:47,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:56:47,094 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:56:47,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:56:47,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:56:47,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:56:47,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:56:47,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... [2018-12-09 06:56:47,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:56:47,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:56:47,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:56:47,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:56:47,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:56:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:56:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:56:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 06:56:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 06:56:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:56:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:56:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:56:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:56:47,719 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:56:47,720 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 06:56:47,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:56:47 BoogieIcfgContainer [2018-12-09 06:56:47,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:56:47,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:56:47,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:56:47,724 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:56:47,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:56:46" (1/3) ... [2018-12-09 06:56:47,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd092c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:56:47, skipping insertion in model container [2018-12-09 06:56:47,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:47" (2/3) ... [2018-12-09 06:56:47,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd092c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:56:47, skipping insertion in model container [2018-12-09 06:56:47,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:56:47" (3/3) ... [2018-12-09 06:56:47,726 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-12-09 06:56:47,734 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:56:47,739 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 06:56:47,749 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 06:56:47,770 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:56:47,770 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:56:47,770 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:56:47,770 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:56:47,770 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:56:47,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:56:47,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:56:47,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:56:47,784 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 06:56:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 06:56:47,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:47,790 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] [2018-12-09 06:56:47,791 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:47,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:47,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2018-12-09 06:56:47,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:47,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:47,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:47,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:47,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:56:48,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:48,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:56:48,014 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:48,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:56:48,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:56:48,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:56:48,027 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 06:56:48,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:48,447 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 06:56:48,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:56:48,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-12-09 06:56:48,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:48,455 INFO L225 Difference]: With dead ends: 547 [2018-12-09 06:56:48,455 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 06:56:48,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:56:48,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 06:56:48,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 06:56:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 06:56:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-09 06:56:48,493 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 91 [2018-12-09 06:56:48,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:48,493 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-09 06:56:48,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:56:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-09 06:56:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 06:56:48,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:48,496 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 06:56:48,496 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:48,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:48,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2018-12-09 06:56:48,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:48,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:48,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:48,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:48,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:56:48,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:48,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:56:48,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:48,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:56:48,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:56:48,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:56:48,579 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-09 06:56:49,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:49,009 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-09 06:56:49,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:56:49,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-12-09 06:56:49,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:49,012 INFO L225 Difference]: With dead ends: 703 [2018-12-09 06:56:49,013 INFO L226 Difference]: Without dead ends: 431 [2018-12-09 06:56:49,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 06:56:49,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-09 06:56:49,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-09 06:56:49,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-09 06:56:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-09 06:56:49,032 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 101 [2018-12-09 06:56:49,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:49,032 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-09 06:56:49,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:56:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-09 06:56:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 06:56:49,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:49,034 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 06:56:49,034 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:49,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:49,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2018-12-09 06:56:49,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:49,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:49,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:49,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:49,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:56:49,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:49,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:56:49,103 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:49,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:56:49,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:56:49,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:56:49,104 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-09 06:56:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:49,346 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-09 06:56:49,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:56:49,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-12-09 06:56:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:49,349 INFO L225 Difference]: With dead ends: 1241 [2018-12-09 06:56:49,350 INFO L226 Difference]: Without dead ends: 828 [2018-12-09 06:56:49,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:56:49,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-09 06:56:49,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-09 06:56:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-09 06:56:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-12-09 06:56:49,371 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 102 [2018-12-09 06:56:49,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:49,371 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-12-09 06:56:49,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:56:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-12-09 06:56:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 06:56:49,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:49,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:56:49,374 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:49,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:49,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2018-12-09 06:56:49,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:49,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:49,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:49,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:49,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:56:49,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:49,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:56:49,445 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:49,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:56:49,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:56:49,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:56:49,446 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-12-09 06:56:49,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:49,843 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-12-09 06:56:49,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:56:49,844 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-12-09 06:56:49,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:49,849 INFO L225 Difference]: With dead ends: 2250 [2018-12-09 06:56:49,849 INFO L226 Difference]: Without dead ends: 1428 [2018-12-09 06:56:49,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 06:56:49,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-12-09 06:56:49,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-12-09 06:56:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-12-09 06:56:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1852 transitions. [2018-12-09 06:56:49,877 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1852 transitions. Word has length 116 [2018-12-09 06:56:49,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:49,877 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1852 transitions. [2018-12-09 06:56:49,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:56:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1852 transitions. [2018-12-09 06:56:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 06:56:49,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:49,880 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:56:49,880 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:49,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:49,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2018-12-09 06:56:49,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:49,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:49,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:49,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:49,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:56:49,944 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:49,944 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:56:49,945 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-12-09 06:56:49,946 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 06:56:49,973 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:56:49,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:56:50,396 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:56:50,397 INFO L272 AbstractInterpreter]: Visited 95 different actions 183 times. Merged at 3 different actions 3 times. Never widened. Performed 2704 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2704 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 06:56:50,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:50,403 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:56:50,598 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 81.4% of their original sizes. [2018-12-09 06:56:50,598 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:56:50,637 INFO L418 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2018-12-09 06:56:50,637 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:56:50,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:56:50,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 06:56:50,638 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:50,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:56:50,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:56:50,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:56:50,639 INFO L87 Difference]: Start difference. First operand 1400 states and 1852 transitions. Second operand 10 states. [2018-12-09 06:56:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:53,989 INFO L93 Difference]: Finished difference Result 3587 states and 4823 transitions. [2018-12-09 06:56:53,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 06:56:53,989 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2018-12-09 06:56:53,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:53,994 INFO L225 Difference]: With dead ends: 3587 [2018-12-09 06:56:53,994 INFO L226 Difference]: Without dead ends: 2193 [2018-12-09 06:56:53,996 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 06:56:53,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-12-09 06:56:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 1543. [2018-12-09 06:56:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2018-12-09 06:56:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2017 transitions. [2018-12-09 06:56:54,047 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2017 transitions. Word has length 133 [2018-12-09 06:56:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:54,047 INFO L480 AbstractCegarLoop]: Abstraction has 1543 states and 2017 transitions. [2018-12-09 06:56:54,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:56:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2017 transitions. [2018-12-09 06:56:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 06:56:54,049 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:54,049 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:56:54,049 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:54,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:54,050 INFO L82 PathProgramCache]: Analyzing trace with hash 910344196, now seen corresponding path program 1 times [2018-12-09 06:56:54,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:54,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:54,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:54,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:54,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 06:56:54,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:54,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:56:54,115 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-12-09 06:56:54,115 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 06:56:54,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:56:54,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:56:54,201 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:56:54,201 INFO L272 AbstractInterpreter]: Visited 96 different actions 186 times. Merged at 4 different actions 4 times. Never widened. Performed 2596 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2596 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 06:56:54,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:54,203 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:56:54,307 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.4% of their original sizes. [2018-12-09 06:56:54,307 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:56:54,351 INFO L418 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-12-09 06:56:54,352 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:56:54,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:56:54,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 06:56:54,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:54,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:56:54,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:56:54,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:56:54,353 INFO L87 Difference]: Start difference. First operand 1543 states and 2017 transitions. Second operand 10 states. [2018-12-09 06:56:56,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:56,010 INFO L93 Difference]: Finished difference Result 3354 states and 4356 transitions. [2018-12-09 06:56:56,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 06:56:56,011 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2018-12-09 06:56:56,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:56,015 INFO L225 Difference]: With dead ends: 3354 [2018-12-09 06:56:56,016 INFO L226 Difference]: Without dead ends: 1817 [2018-12-09 06:56:56,019 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 06:56:56,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2018-12-09 06:56:56,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1815. [2018-12-09 06:56:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2018-12-09 06:56:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2315 transitions. [2018-12-09 06:56:56,057 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2315 transitions. Word has length 145 [2018-12-09 06:56:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:56,057 INFO L480 AbstractCegarLoop]: Abstraction has 1815 states and 2315 transitions. [2018-12-09 06:56:56,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:56:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2315 transitions. [2018-12-09 06:56:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 06:56:56,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:56,060 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:56:56,060 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:56,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:56,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1711790517, now seen corresponding path program 1 times [2018-12-09 06:56:56,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:56,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:56,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:56,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:56,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 06:56:56,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:56,107 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:56:56,108 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-12-09 06:56:56,108 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 06:56:56,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:56:56,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:56:56,255 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:56:56,255 INFO L272 AbstractInterpreter]: Visited 98 different actions 290 times. Merged at 6 different actions 18 times. Never widened. Performed 4202 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4202 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 06:56:56,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:56,257 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:56:56,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:56,258 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:56:56,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:56,267 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:56:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:56,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:56:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 06:56:56,388 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:56:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 06:56:56,478 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:56:56,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 06:56:56,478 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:56:56,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:56:56,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:56:56,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 06:56:56,479 INFO L87 Difference]: Start difference. First operand 1815 states and 2315 transitions. Second operand 8 states. [2018-12-09 06:56:57,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:57,950 INFO L93 Difference]: Finished difference Result 6132 states and 8226 transitions. [2018-12-09 06:56:57,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 06:56:57,951 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2018-12-09 06:56:57,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:57,959 INFO L225 Difference]: With dead ends: 6132 [2018-12-09 06:56:57,959 INFO L226 Difference]: Without dead ends: 4299 [2018-12-09 06:56:57,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-09 06:56:57,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2018-12-09 06:56:58,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 3580. [2018-12-09 06:56:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3580 states. [2018-12-09 06:56:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 4193 transitions. [2018-12-09 06:56:58,013 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 4193 transitions. Word has length 156 [2018-12-09 06:56:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:58,013 INFO L480 AbstractCegarLoop]: Abstraction has 3580 states and 4193 transitions. [2018-12-09 06:56:58,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:56:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 4193 transitions. [2018-12-09 06:56:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 06:56:58,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:58,019 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:56:58,019 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:58,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:58,019 INFO L82 PathProgramCache]: Analyzing trace with hash 472322800, now seen corresponding path program 1 times [2018-12-09 06:56:58,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:58,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:58,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:58,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:58,020 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:56:58,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:58,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:56:58,103 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-09 06:56:58,103 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 06:56:58,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:56:58,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:56:58,279 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:56:58,279 INFO L272 AbstractInterpreter]: Visited 97 different actions 379 times. Merged at 7 different actions 24 times. Never widened. Performed 5522 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-09 06:56:58,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:58,281 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:56:58,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:58,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:56:58,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:58,287 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:56:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:58,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:56:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 06:56:58,399 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:56:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 108 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 06:56:58,470 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:56:58,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-09 06:56:58,470 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:56:58,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 06:56:58,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 06:56:58,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-09 06:56:58,471 INFO L87 Difference]: Start difference. First operand 3580 states and 4193 transitions. Second operand 12 states. [2018-12-09 06:57:00,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:57:00,462 INFO L93 Difference]: Finished difference Result 12896 states and 16451 transitions. [2018-12-09 06:57:00,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-09 06:57:00,462 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 198 [2018-12-09 06:57:00,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:57:00,462 INFO L225 Difference]: With dead ends: 12896 [2018-12-09 06:57:00,462 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 06:57:00,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 425 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=444, Invalid=1718, Unknown=0, NotChecked=0, Total=2162 [2018-12-09 06:57:00,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 06:57:00,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 06:57:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 06:57:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 06:57:00,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2018-12-09 06:57:00,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:57:00,476 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:57:00,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 06:57:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:57:00,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 06:57:00,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 06:57:00,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,834 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 182 [2018-12-09 06:57:00,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:00,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:57:01,083 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 190 [2018-12-09 06:57:01,718 WARN L180 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 73 [2018-12-09 06:57:02,085 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 55 [2018-12-09 06:57:02,454 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 52 [2018-12-09 06:57:02,455 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:57:02,455 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-12-09 06:57:02,455 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,456 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,457 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 06:57:02,458 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 06:57:02,459 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 06:57:02,460 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= 1 |old(~a17~0)|))) (let ((.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= |old(~a8~0)| ~a8~0)) (.cse5 (= |old(~a20~0)| ~a20~0)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= |old(~a16~0)| ~a16~0)) (.cse11 (not (= 1 |old(~a21~0)|))) (.cse9 (not (= 1 |old(~a20~0)|))) (.cse12 (not (= 8 ~a12~0))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse13 (not .cse15))) (let ((.cse0 (or .cse11 .cse9 (= 0 |old(~a16~0)|) .cse12 .cse10 (= 0 |old(~a8~0)|) .cse13)) (.cse8 (not (= 1 |old(~a7~0)|))) (.cse3 (= ~a21~0 1)) (.cse7 (= 6 |old(~a16~0)|)) (.cse14 (and .cse4 .cse1 .cse5 .cse6 .cse2))) (and (or .cse0 (and .cse1 .cse2 (= ~a17~0 1) .cse3 (= ~a20~0 1))) (or (and (and .cse4 .cse1 .cse2) .cse5 .cse6) (and (or .cse7 .cse8) (or .cse7 .cse9))) (or .cse0 .cse4) (or .cse9 .cse8 (< 0 |old(~a17~0)|) (and (= 1 ~a7~0) .cse1 .cse5 .cse6 .cse2)) (or .cse3 .cse10 (or (not (= 0 |old(~a7~0)|)) .cse11 (not (= 15 |old(~a8~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse12 .cse13)) (or .cse7 .cse14 .cse15) (or .cse14 (= 13 |old(~a8~0)|)))))) [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 06:57:02,461 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 06:57:02,462 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 06:57:02,463 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-09 06:57:02,464 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (= 1 ~a20~0)) (.cse2 (= 1 ~a7~0)) (.cse0 (not (= ~a16~0 6))) (.cse1 (= ~a17~0 1))) (or (not (= ~a8~0 13)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 (not .cse1)) (and .cse2 .cse3 (<= ~a17~0 0)) (not (= 1 |old(~a21~0)|)) (or (and .cse3 .cse0) (and .cse2 .cse0)) (not (= 8 ~a12~0)) (and (not (= main_~input~0 0)) .cse1 (= ~a21~0 1) (= ~a20~0 1)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 06:57:02,464 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= 1 ~a20~0)) (.cse2 (= 1 ~a7~0)) (.cse0 (not (= ~a16~0 6))) (.cse1 (= ~a17~0 1))) (or (not (= ~a8~0 13)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 (not .cse1)) (and .cse2 .cse3 (<= ~a17~0 0)) (not (= 1 |old(~a21~0)|)) (or (and .cse3 .cse0) (and .cse2 .cse0)) (not (= 8 ~a12~0)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse1 (= ~a21~0 1) (= ~a20~0 1)))) [2018-12-09 06:57:02,464 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 06:57:02,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:57:02 BoogieIcfgContainer [2018-12-09 06:57:02,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:57:02,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:57:02,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:57:02,473 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:57:02,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:56:47" (3/4) ... [2018-12-09 06:57:02,476 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 06:57:02,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 06:57:02,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 06:57:02,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 06:57:02,485 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 06:57:02,485 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 06:57:02,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(a8 == 13) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(a16 == 6) && !(a17 == 1))) || ((1 == a7 && 1 == a20) && a17 <= 0)) || !(1 == \old(a21))) || (1 == a20 && !(a16 == 6)) || (1 == a7 && !(a16 == 6))) || !(8 == a12)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a17 == 1 && a21 == 1) && a20 == 1) [2018-12-09 06:57:02,557 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4470e952-8993-42d8-b09b-4c8b6a602d65/bin-2019/utaipan/witness.graphml [2018-12-09 06:57:02,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:57:02,558 INFO L168 Benchmark]: Toolchain (without parser) took 15777.93 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 816.3 MB). Free memory was 950.6 MB in the beginning and 953.0 MB in the end (delta: -2.4 MB). Peak memory consumption was 813.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:57:02,558 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:57:02,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-09 06:57:02,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:57:02,559 INFO L168 Benchmark]: Boogie Preprocessor took 38.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:57:02,559 INFO L168 Benchmark]: RCFGBuilder took 568.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. [2018-12-09 06:57:02,559 INFO L168 Benchmark]: TraceAbstraction took 14752.10 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 680.5 MB). Free memory was 1.0 GB in the beginning and 972.4 MB in the end (delta: 33.2 MB). Peak memory consumption was 939.2 MB. Max. memory is 11.5 GB. [2018-12-09 06:57:02,559 INFO L168 Benchmark]: Witness Printer took 84.52 ms. Allocated memory is still 1.8 GB. Free memory was 972.4 MB in the beginning and 953.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:57:02,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 568.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14752.10 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 680.5 MB). Free memory was 1.0 GB in the beginning and 972.4 MB in the end (delta: 33.2 MB). Peak memory consumption was 939.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.52 ms. Allocated memory is still 1.8 GB. Free memory was 972.4 MB in the beginning and 953.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((!(a8 == 13) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(a16 == 6) && !(a17 == 1))) || ((1 == a7 && 1 == a20) && a17 <= 0)) || !(1 == \old(a21))) || (1 == a20 && !(a16 == 6)) || (1 == a7 && !(a16 == 6))) || !(8 == a12)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a17 == 1 && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.7s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 395 SDtfs, 6862 SDslu, 635 SDs, 0 SdLazy, 9295 SolverSat, 1841 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1145 GetRequests, 1018 SyntacticMatches, 5 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3580occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9964679778459986 AbsIntWeakeningRatio, 0.2753623188405797 AbsIntAvgWeakeningVarsNumRemoved, 28.73913043478261 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1411 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 207 PreInvPairs, 471 NumberOfFragments, 466 HoareAnnotationTreeSize, 207 FomulaSimplifications, 24091 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18787 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1396 NumberOfCodeBlocks, 1396 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1738 ConstructedInterpolants, 0 QuantifiedInterpolants, 454778 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 862/967 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...