./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_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_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:37:42,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:37:42,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:37:42,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:37:42,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:37:42,544 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:37:42,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:37:42,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:37:42,546 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:37:42,547 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:37:42,547 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:37:42,547 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:37:42,548 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:37:42,548 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:37:42,549 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:37:42,549 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:37:42,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:37:42,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:37:42,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:37:42,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:37:42,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:37:42,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:37:42,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:37:42,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:37:42,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:37:42,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:37:42,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:37:42,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:37:42,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:37:42,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:37:42,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:37:42,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:37:42,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:37:42,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:37:42,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:37:42,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:37:42,558 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:37:42,564 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:37:42,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:37:42,565 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:37:42,565 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:37:42,565 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:37:42,565 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:37:42,565 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:37:42,565 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:37:42,565 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:37:42,566 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:37:42,566 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:37:42,566 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:37:42,566 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:37:42,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:37:42,566 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:37:42,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:37:42,566 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:37:42,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:37:42,567 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:37:42,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:37:42,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:37:42,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:37:42,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:37:42,568 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:37:42,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:37:42,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:37:42,568 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:37:42,568 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_a5dceb66-2cbd-4421-b4c1-1666fefac41d/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2018-12-09 19:37:42,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:37:42,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:37:42,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:37:42,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:37:42,594 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:37:42,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-12-09 19:37:42,627 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/data/0e6c49cae/76b71b6ee62f4f1eb13c8b52b9daf9ce/FLAG909eee3ae [2018-12-09 19:37:42,954 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:37:42,954 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-12-09 19:37:42,961 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/data/0e6c49cae/76b71b6ee62f4f1eb13c8b52b9daf9ce/FLAG909eee3ae [2018-12-09 19:37:43,357 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/data/0e6c49cae/76b71b6ee62f4f1eb13c8b52b9daf9ce [2018-12-09 19:37:43,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:37:43,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:37:43,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:37:43,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:37:43,368 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:37:43,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8dc319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43, skipping insertion in model container [2018-12-09 19:37:43,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:37:43,403 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:37:43,573 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:37:43,577 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:37:43,621 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:37:43,686 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:37:43,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43 WrapperNode [2018-12-09 19:37:43,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:37:43,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:37:43,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:37:43,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:37:43,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:37:43,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:37:43,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:37:43,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:37:43,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... [2018-12-09 19:37:43,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:37:43,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:37:43,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:37:43,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:37:43,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/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 19:37:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:37:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:37:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:37:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:37:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:37:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:37:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:37:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:37:44,337 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:37:44,338 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:37:44,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:44 BoogieIcfgContainer [2018-12-09 19:37:44,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:37:44,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:37:44,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:37:44,342 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:37:44,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:37:43" (1/3) ... [2018-12-09 19:37:44,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52682416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:37:44, skipping insertion in model container [2018-12-09 19:37:44,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:37:43" (2/3) ... [2018-12-09 19:37:44,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52682416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:37:44, skipping insertion in model container [2018-12-09 19:37:44,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:44" (3/3) ... [2018-12-09 19:37:44,345 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label25_true-unreach-call_false-termination.c [2018-12-09 19:37:44,353 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:37:44,360 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:37:44,374 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:37:44,404 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:37:44,404 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:37:44,405 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:37:44,405 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:37:44,405 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:37:44,405 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:37:44,405 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:37:44,405 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:37:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 19:37:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 19:37:44,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:44,436 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:44,438 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:44,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:44,443 INFO L82 PathProgramCache]: Analyzing trace with hash 167533094, now seen corresponding path program 1 times [2018-12-09 19:37:44,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:44,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:44,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:44,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:44,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:44,770 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 19:37:44,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:44,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:37:44,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:44,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:37:44,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:37:44,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:37:44,785 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 19:37:45,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:45,220 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-09 19:37:45,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:37:45,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-12-09 19:37:45,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:45,229 INFO L225 Difference]: With dead ends: 615 [2018-12-09 19:37:45,230 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 19:37:45,233 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 19:37:45,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 19:37:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-09 19:37:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-09 19:37:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-09 19:37:45,271 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 140 [2018-12-09 19:37:45,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:45,272 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-09 19:37:45,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:37:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-09 19:37:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:37:45,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:45,275 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:45,275 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:45,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:45,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1307289931, now seen corresponding path program 1 times [2018-12-09 19:37:45,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:45,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:45,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:45,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:45,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:45,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:45,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:37:45,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:45,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:37:45,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:37:45,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:37:45,370 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-09 19:37:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:45,780 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-12-09 19:37:45,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:37:45,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-12-09 19:37:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:45,783 INFO L225 Difference]: With dead ends: 962 [2018-12-09 19:37:45,784 INFO L226 Difference]: Without dead ends: 651 [2018-12-09 19:37:45,785 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 19:37:45,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-09 19:37:45,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-12-09 19:37:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 19:37:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-09 19:37:45,807 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 155 [2018-12-09 19:37:45,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:45,808 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-09 19:37:45,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:37:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-09 19:37:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 19:37:45,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:45,810 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:37:45,810 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:45,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:45,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1287258960, now seen corresponding path program 1 times [2018-12-09 19:37:45,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:45,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:45,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:45,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:45,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:37:45,876 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:37:45,876 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:37:45,877 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2018-12-09 19:37:45,878 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:37:45,909 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:37:45,909 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:37:46,185 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:37:46,186 INFO L272 AbstractInterpreter]: Visited 141 different actions 141 times. Never merged. Never widened. Performed 1534 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1534 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 19:37:46,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:46,195 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:37:46,404 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 81.31% of their original sizes. [2018-12-09 19:37:46,404 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:37:46,439 INFO L418 sIntCurrentIteration]: We unified 162 AI predicates to 162 [2018-12-09 19:37:46,439 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:37:46,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:37:46,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 19:37:46,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:46,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:37:46,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:37:46,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:37:46,441 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-09 19:37:48,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:48,285 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-09 19:37:48,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:37:48,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-12-09 19:37:48,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:48,287 INFO L225 Difference]: With dead ends: 1392 [2018-12-09 19:37:48,287 INFO L226 Difference]: Without dead ends: 773 [2018-12-09 19:37:48,288 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:37:48,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-09 19:37:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-09 19:37:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 19:37:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-09 19:37:48,300 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 163 [2018-12-09 19:37:48,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:48,300 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-09 19:37:48,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:37:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-09 19:37:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 19:37:48,302 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:48,302 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:48,302 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:48,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:48,303 INFO L82 PathProgramCache]: Analyzing trace with hash -387983169, now seen corresponding path program 1 times [2018-12-09 19:37:48,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:48,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:48,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:48,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:48,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:37:48,402 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:37:48,402 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:37:48,403 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-12-09 19:37:48,403 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:37:48,405 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:37:48,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:37:48,668 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:37:48,669 INFO L272 AbstractInterpreter]: Visited 145 different actions 430 times. Merged at 6 different actions 15 times. Never widened. Performed 4793 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4793 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:37:48,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:48,679 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:37:48,827 INFO L227 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 84.98% of their original sizes. [2018-12-09 19:37:48,827 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:37:48,866 INFO L418 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-12-09 19:37:48,866 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:37:48,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:37:48,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 19:37:48,867 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:48,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:37:48,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:37:48,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:37:48,868 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-09 19:37:51,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:51,375 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-09 19:37:51,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:37:51,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2018-12-09 19:37:51,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:51,378 INFO L225 Difference]: With dead ends: 1858 [2018-12-09 19:37:51,378 INFO L226 Difference]: Without dead ends: 1093 [2018-12-09 19:37:51,380 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 19:37:51,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-09 19:37:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-09 19:37:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-09 19:37:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-09 19:37:51,408 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 172 [2018-12-09 19:37:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:51,408 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-09 19:37:51,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:37:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-09 19:37:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 19:37:51,410 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:51,410 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:37:51,410 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:51,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:51,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1049640465, now seen corresponding path program 1 times [2018-12-09 19:37:51,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:51,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:51,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:51,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:51,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:37:51,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:37:51,461 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:37:51,461 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-12-09 19:37:51,462 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:37:51,465 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:37:51,465 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:37:51,598 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:37:51,598 INFO L272 AbstractInterpreter]: Visited 144 different actions 282 times. Merged at 4 different actions 4 times. Never widened. Performed 3046 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3046 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 19:37:51,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:51,600 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:37:51,716 INFO L227 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 81.28% of their original sizes. [2018-12-09 19:37:51,716 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:37:51,769 INFO L418 sIntCurrentIteration]: We unified 170 AI predicates to 170 [2018-12-09 19:37:51,769 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:37:51,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:37:51,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 19:37:51,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:51,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:37:51,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:37:51,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:37:51,770 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-09 19:37:53,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:53,765 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-09 19:37:53,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 19:37:53,765 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2018-12-09 19:37:53,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:53,768 INFO L225 Difference]: With dead ends: 2440 [2018-12-09 19:37:53,768 INFO L226 Difference]: Without dead ends: 1371 [2018-12-09 19:37:53,769 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 162 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 19:37:53,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-09 19:37:53,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-09 19:37:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-09 19:37:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-09 19:37:53,793 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 171 [2018-12-09 19:37:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:53,793 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-09 19:37:53,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:37:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-09 19:37:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 19:37:53,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:53,795 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:37:53,795 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:53,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:53,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1868563865, now seen corresponding path program 1 times [2018-12-09 19:37:53,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:53,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:53,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:53,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:53,797 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:37:53,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:37:53,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:37:53,867 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:53,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:37:53,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:37:53,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:37:53,867 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-09 19:37:54,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:54,106 INFO L93 Difference]: Finished difference Result 3310 states and 4521 transitions. [2018-12-09 19:37:54,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:37:54,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2018-12-09 19:37:54,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:54,109 INFO L225 Difference]: With dead ends: 3310 [2018-12-09 19:37:54,109 INFO L226 Difference]: Without dead ends: 1504 [2018-12-09 19:37:54,111 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 19:37:54,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2018-12-09 19:37:54,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1503. [2018-12-09 19:37:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2018-12-09 19:37:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1864 transitions. [2018-12-09 19:37:54,127 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1864 transitions. Word has length 175 [2018-12-09 19:37:54,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:54,128 INFO L480 AbstractCegarLoop]: Abstraction has 1503 states and 1864 transitions. [2018-12-09 19:37:54,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:37:54,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1864 transitions. [2018-12-09 19:37:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-09 19:37:54,130 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:54,130 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:54,130 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:54,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:54,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1295917502, now seen corresponding path program 1 times [2018-12-09 19:37:54,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:54,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:54,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:54,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:54,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:37:54,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:37:54,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:37:54,178 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-12-09 19:37:54,178 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:37:54,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:37:54,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:37:54,354 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:37:54,354 INFO L272 AbstractInterpreter]: Visited 146 different actions 433 times. Merged at 7 different actions 17 times. Never widened. Performed 4997 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4997 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:37:54,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:54,357 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:37:54,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:37:54,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/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 19:37:54,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:54,365 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:37:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:54,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:37:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:37:54,493 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:37:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:37:54,595 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:37:54,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 19:37:54,596 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:37:54,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:37:54,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:37:54,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:37:54,597 INFO L87 Difference]: Start difference. First operand 1503 states and 1864 transitions. Second operand 9 states. [2018-12-09 19:37:56,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:56,098 INFO L93 Difference]: Finished difference Result 4730 states and 6037 transitions. [2018-12-09 19:37:56,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-09 19:37:56,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2018-12-09 19:37:56,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:56,104 INFO L225 Difference]: With dead ends: 4730 [2018-12-09 19:37:56,104 INFO L226 Difference]: Without dead ends: 2630 [2018-12-09 19:37:56,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 19:37:56,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2018-12-09 19:37:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2152. [2018-12-09 19:37:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2152 states. [2018-12-09 19:37:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2502 transitions. [2018-12-09 19:37:56,136 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2502 transitions. Word has length 203 [2018-12-09 19:37:56,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:56,136 INFO L480 AbstractCegarLoop]: Abstraction has 2152 states and 2502 transitions. [2018-12-09 19:37:56,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:37:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2502 transitions. [2018-12-09 19:37:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 19:37:56,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:56,139 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:56,139 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:56,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:56,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1513889670, now seen corresponding path program 1 times [2018-12-09 19:37:56,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:56,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:56,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:56,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:56,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:37:56,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:37:56,218 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:37:56,218 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-12-09 19:37:56,218 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:37:56,220 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:37:56,220 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:37:56,382 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:37:56,382 INFO L272 AbstractInterpreter]: Visited 145 different actions 427 times. Merged at 6 different actions 12 times. Never widened. Performed 4826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 19:37:56,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:56,384 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:37:56,568 INFO L227 lantSequenceWeakener]: Weakened 201 states. On average, predicates are now at 84.69% of their original sizes. [2018-12-09 19:37:56,568 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:37:56,605 INFO L418 sIntCurrentIteration]: We unified 203 AI predicates to 203 [2018-12-09 19:37:56,605 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:37:56,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:37:56,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-09 19:37:56,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:56,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:37:56,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:37:56,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:37:56,606 INFO L87 Difference]: Start difference. First operand 2152 states and 2502 transitions. Second operand 10 states. [2018-12-09 19:37:58,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:37:58,851 INFO L93 Difference]: Finished difference Result 4644 states and 5486 transitions. [2018-12-09 19:37:58,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 19:37:58,852 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2018-12-09 19:37:58,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:37:58,858 INFO L225 Difference]: With dead ends: 4644 [2018-12-09 19:37:58,858 INFO L226 Difference]: Without dead ends: 3086 [2018-12-09 19:37:58,861 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 19:37:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2018-12-09 19:37:58,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 3056. [2018-12-09 19:37:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3056 states. [2018-12-09 19:37:58,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 3575 transitions. [2018-12-09 19:37:58,897 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 3575 transitions. Word has length 204 [2018-12-09 19:37:58,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:37:58,897 INFO L480 AbstractCegarLoop]: Abstraction has 3056 states and 3575 transitions. [2018-12-09 19:37:58,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:37:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 3575 transitions. [2018-12-09 19:37:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-09 19:37:58,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:37:58,900 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:37:58,901 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:37:58,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:58,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1656488496, now seen corresponding path program 1 times [2018-12-09 19:37:58,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:37:58,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:58,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:37:58,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:37:58,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:37:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:37:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 176 proven. 32 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:37:58,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:37:58,970 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:37:58,970 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-12-09 19:37:58,971 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [351], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:37:58,972 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:37:58,972 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:37:59,205 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:37:59,206 INFO L272 AbstractInterpreter]: Visited 149 different actions 594 times. Merged at 8 different actions 32 times. Never widened. Performed 6786 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6786 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:37:59,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:37:59,211 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:37:59,394 INFO L227 lantSequenceWeakener]: Weakened 308 states. On average, predicates are now at 87.1% of their original sizes. [2018-12-09 19:37:59,394 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:37:59,429 INFO L418 sIntCurrentIteration]: We unified 310 AI predicates to 310 [2018-12-09 19:37:59,429 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:37:59,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:37:59,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-12-09 19:37:59,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:37:59,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 19:37:59,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 19:37:59,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:37:59,430 INFO L87 Difference]: Start difference. First operand 3056 states and 3575 transitions. Second operand 11 states. [2018-12-09 19:38:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:38:01,366 INFO L93 Difference]: Finished difference Result 4531 states and 5287 transitions. [2018-12-09 19:38:01,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 19:38:01,366 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 311 [2018-12-09 19:38:01,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:38:01,367 INFO L225 Difference]: With dead ends: 4531 [2018-12-09 19:38:01,367 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:38:01,371 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 323 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2018-12-09 19:38:01,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:38:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:38:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:38:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:38:01,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 311 [2018-12-09 19:38:01,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:38:01,371 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:38:01,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 19:38:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:38:01,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:38:01,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:38:01,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:38:01,933 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 19:38:02,055 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:38:02,056 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 19:38:02,057 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 19:38:02,058 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:38:02,059 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 19:38:02,060 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,061 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse18 (= 1 |old(~a25~0)|))) (let ((.cse13 (= |old(~a11~0)| |old(~a19~0)|)) (.cse5 (= 0 |old(~a28~0)|)) (.cse16 (= ~a11~0 |old(~a11~0)|)) (.cse2 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse9 (not (= 7 |old(~a28~0)|))) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse11 (= ~a28~0 7)) (.cse20 (not (= 0 |old(~a25~0)|))) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (= |old(~a19~0)| ~a19~0)) (.cse3 (= 1 ~a11~0)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse8 (not (= 1 |old(~a11~0)|))) (.cse17 (< 7 |old(~a17~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse21 (not (= 10 |old(~a28~0)|))) (.cse10 (not .cse18)) (.cse19 (not (= 0 |old(~a11~0)|))) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse22 (= ~a28~0 10))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 (= ~a19~0 1)) .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse10 .cse1 (and .cse11 .cse12) .cse6 .cse7 .cse8) (or .cse13 (and .cse14 .cse15 .cse16 .cse12) .cse17 .cse18) (or (= 7 |old(~a17~0)|) (and .cse15 (not (= ~a17~0 7)) .cse3) .cse13 .cse8) (or .cse0 .cse5 .cse19 .cse6 .cse7 (and .cse15 .cse16 .cse2 .cse4 .cse12)) (or .cse0 .cse9 .cse1 .cse11 .cse19 .cse6 .cse7 .cse20) (or (or .cse0 .cse21 .cse1) .cse19 (or .cse11 .cse22) .cse6 .cse7 .cse20) (or (and .cse14 .cse15 .cse3 .cse12) .cse8 .cse17) (or (or .cse0 .cse21 .cse10 .cse19 (not (= 0 |old(~a19~0)|))) .cse6 .cse7 .cse22)))) [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,062 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 19:38:02,063 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 19:38:02,064 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:38:02,064 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:38:02,064 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 19:38:02,065 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 0)) (.cse3 (not (= ~a28~0 0))) (.cse0 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a19~0 ~a11~0))) (and .cse1 .cse2 (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse1 (not (= main_~input~0 0)) .cse3 .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse0) (and .cse3 .cse0 .cse2) (not (= 0 |old(~a25~0)|)))) [2018-12-09 19:38:02,065 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:38:02,065 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:38:02,065 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse3 (= ~a17~0 8)) (.cse2 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) .cse0 .cse1 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-12-09 19:38:02,065 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 19:38:02,065 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 19:38:02,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:38:02 BoogieIcfgContainer [2018-12-09 19:38:02,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:38:02,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:38:02,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:38:02,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:38:02,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:37:44" (3/4) ... [2018-12-09 19:38:02,074 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:38:02,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:38:02,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:38:02,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:38:02,085 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:38:02,085 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:38:02,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) [2018-12-09 19:38:02,149 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a5dceb66-2cbd-4421-b4c1-1666fefac41d/bin-2019/utaipan/witness.graphml [2018-12-09 19:38:02,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:38:02,150 INFO L168 Benchmark]: Toolchain (without parser) took 18788.25 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 945.8 MB). Free memory was 945.3 MB in the beginning and 899.8 MB in the end (delta: 45.5 MB). Peak memory consumption was 991.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:02,150 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:38:02,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:02,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.94 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:02,150 INFO L168 Benchmark]: Boogie Preprocessor took 37.87 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 19:38:02,150 INFO L168 Benchmark]: RCFGBuilder took 593.96 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:02,151 INFO L168 Benchmark]: TraceAbstraction took 17732.44 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 805.3 MB). Free memory was 1.0 GB in the beginning and 921.8 MB in the end (delta: 99.0 MB). Peak memory consumption was 904.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:02,151 INFO L168 Benchmark]: Witness Printer took 77.61 ms. Allocated memory is still 2.0 GB. Free memory was 921.8 MB in the beginning and 899.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:38:02,152 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.94 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.87 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. * RCFGBuilder took 593.96 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17732.44 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 805.3 MB). Free memory was 1.0 GB in the beginning and 921.8 MB in the end (delta: 99.0 MB). Peak memory consumption was 904.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.61 ms. Allocated memory is still 2.0 GB. Free memory was 921.8 MB in the beginning and 899.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 17.6s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 13.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 877 SDtfs, 5695 SDslu, 892 SDs, 0 SdLazy, 8936 SolverSat, 1594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1537 GetRequests, 1411 SyntacticMatches, 4 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3056occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.996774282794802 AbsIntWeakeningRatio, 0.19586614173228348 AbsIntAvgWeakeningVarsNumRemoved, 25.843503937007874 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 558 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 140 NumberOfFragments, 502 HoareAnnotationTreeSize, 93 FomulaSimplifications, 6644 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1963 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1897 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2089 ConstructedInterpolants, 0 QuantifiedInterpolants, 717798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 507 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 762/865 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...