./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_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_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/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 05d2a3ff1add36607a16806c355c4adc86a8978e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 05:39:34,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 05:39:34,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 05:39:34,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 05:39:34,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 05:39:34,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 05:39:34,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 05:39:34,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 05:39:34,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 05:39:34,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 05:39:34,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 05:39:34,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 05:39:34,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 05:39:34,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 05:39:34,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 05:39:34,596 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 05:39:34,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 05:39:34,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 05:39:34,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 05:39:34,599 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 05:39:34,600 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 05:39:34,601 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 05:39:34,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 05:39:34,602 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 05:39:34,602 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 05:39:34,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 05:39:34,603 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 05:39:34,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 05:39:34,604 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 05:39:34,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 05:39:34,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 05:39:34,605 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 05:39:34,605 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 05:39:34,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 05:39:34,606 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 05:39:34,606 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 05:39:34,607 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 05:39:34,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 05:39:34,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 05:39:34,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 05:39:34,614 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 05:39:34,614 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 05:39:34,615 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 05:39:34,615 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 05:39:34,615 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 05:39:34,615 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 05:39:34,615 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 05:39:34,615 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 05:39:34,615 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 05:39:34,615 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 05:39:34,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 05:39:34,616 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 05:39:34,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 05:39:34,616 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 05:39:34,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 05:39:34,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 05:39:34,616 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 05:39:34,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 05:39:34,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 05:39:34,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 05:39:34,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 05:39:34,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 05:39:34,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 05:39:34,617 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 05:39:34,617 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 05:39:34,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:39:34,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 05:39:34,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 05:39:34,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 05:39:34,618 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 05:39:34,618 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 05:39:34,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 05:39:34,618 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 05:39:34,618 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_4da942f1-2224-4d9e-b3ee-03c61049b730/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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2018-12-03 05:39:34,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 05:39:34,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 05:39:34,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 05:39:34,645 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 05:39:34,645 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 05:39:34,645 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-03 05:39:34,679 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/data/4680132b6/2aef482f715140a0a60778d6bf702d0e/FLAG9843f59ab [2018-12-03 05:39:35,098 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 05:39:35,098 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-03 05:39:35,106 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/data/4680132b6/2aef482f715140a0a60778d6bf702d0e/FLAG9843f59ab [2018-12-03 05:39:35,114 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/data/4680132b6/2aef482f715140a0a60778d6bf702d0e [2018-12-03 05:39:35,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 05:39:35,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 05:39:35,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 05:39:35,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 05:39:35,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 05:39:35,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35, skipping insertion in model container [2018-12-03 05:39:35,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 05:39:35,155 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 05:39:35,348 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:39:35,352 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 05:39:35,451 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:39:35,461 INFO L195 MainTranslator]: Completed translation [2018-12-03 05:39:35,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35 WrapperNode [2018-12-03 05:39:35,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 05:39:35,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 05:39:35,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 05:39:35,462 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 05:39:35,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 05:39:35,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 05:39:35,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 05:39:35,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 05:39:35,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... [2018-12-03 05:39:35,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 05:39:35,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 05:39:35,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 05:39:35,538 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 05:39:35,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:39:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 05:39:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 05:39:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 05:39:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 05:39:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 05:39:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 05:39:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 05:39:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 05:39:36,155 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 05:39:36,155 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 05:39:36,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:39:36 BoogieIcfgContainer [2018-12-03 05:39:36,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 05:39:36,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 05:39:36,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 05:39:36,159 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 05:39:36,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:39:35" (1/3) ... [2018-12-03 05:39:36,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:39:36, skipping insertion in model container [2018-12-03 05:39:36,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:39:35" (2/3) ... [2018-12-03 05:39:36,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:39:36, skipping insertion in model container [2018-12-03 05:39:36,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:39:36" (3/3) ... [2018-12-03 05:39:36,162 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label52_true-unreach-call_false-termination.c [2018-12-03 05:39:36,170 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 05:39:36,176 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 05:39:36,189 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 05:39:36,210 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 05:39:36,210 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 05:39:36,210 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 05:39:36,210 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 05:39:36,210 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 05:39:36,210 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 05:39:36,210 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 05:39:36,210 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 05:39:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-03 05:39:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-03 05:39:36,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:36,231 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] [2018-12-03 05:39:36,233 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:36,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:36,236 INFO L82 PathProgramCache]: Analyzing trace with hash -421627906, now seen corresponding path program 1 times [2018-12-03 05:39:36,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:36,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:36,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:36,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:36,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:36,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:39:36,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:39:36,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:39:36,521 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:39:36,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:39:36,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:39:36,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:39:36,539 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-03 05:39:36,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:36,937 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-03 05:39:36,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:39:36,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-12-03 05:39:36,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:36,946 INFO L225 Difference]: With dead ends: 547 [2018-12-03 05:39:36,946 INFO L226 Difference]: Without dead ends: 278 [2018-12-03 05:39:36,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:39:36,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-03 05:39:36,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-03 05:39:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-03 05:39:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-03 05:39:36,982 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 132 [2018-12-03 05:39:36,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:36,983 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-03 05:39:36,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:39:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-03 05:39:36,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-03 05:39:36,985 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:36,985 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 05:39:36,985 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:36,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:36,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1878869349, now seen corresponding path program 1 times [2018-12-03 05:39:36,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:36,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:36,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:36,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:36,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:39:37,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:39:37,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 05:39:37,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:39:37,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 05:39:37,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 05:39:37,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 05:39:37,033 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-03 05:39:37,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:37,377 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-03 05:39:37,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 05:39:37,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-12-03 05:39:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:37,381 INFO L225 Difference]: With dead ends: 840 [2018-12-03 05:39:37,381 INFO L226 Difference]: Without dead ends: 568 [2018-12-03 05:39:37,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:39:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-03 05:39:37,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-03 05:39:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-03 05:39:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-03 05:39:37,405 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 141 [2018-12-03 05:39:37,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:37,405 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-03 05:39:37,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 05:39:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-03 05:39:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-03 05:39:37,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:37,408 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:39:37,408 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:37,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:37,408 INFO L82 PathProgramCache]: Analyzing trace with hash -260285342, now seen corresponding path program 1 times [2018-12-03 05:39:37,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:37,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:37,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:37,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:37,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:39:37,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:37,473 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:39:37,474 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-03 05:39:37,476 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 05:39:37,504 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:39:37,504 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:39:37,925 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:39:37,926 INFO L272 AbstractInterpreter]: Visited 136 different actions 265 times. Merged at 3 different actions 3 times. Never widened. Performed 3574 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3574 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 05:39:37,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:37,931 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:39:38,143 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 82.15% of their original sizes. [2018-12-03 05:39:38,144 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:39:38,194 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-03 05:39:38,195 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:39:38,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:39:38,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 05:39:38,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:39:38,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 05:39:38,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 05:39:38,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:39:38,197 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 10 states. [2018-12-03 05:39:41,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:41,366 INFO L93 Difference]: Finished difference Result 1901 states and 2752 transitions. [2018-12-03 05:39:41,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 05:39:41,366 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-12-03 05:39:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:41,370 INFO L225 Difference]: With dead ends: 1901 [2018-12-03 05:39:41,370 INFO L226 Difference]: Without dead ends: 1349 [2018-12-03 05:39:41,372 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 05:39:41,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2018-12-03 05:39:41,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 697. [2018-12-03 05:39:41,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-03 05:39:41,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 939 transitions. [2018-12-03 05:39:41,395 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 939 transitions. Word has length 152 [2018-12-03 05:39:41,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:41,396 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 939 transitions. [2018-12-03 05:39:41,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 05:39:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 939 transitions. [2018-12-03 05:39:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-03 05:39:41,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:41,399 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-03 05:39:41,399 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:41,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:41,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1396649996, now seen corresponding path program 1 times [2018-12-03 05:39:41,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:41,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:41,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:41,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:41,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:39:41,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:41,514 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:39:41,514 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-03 05:39:41,514 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 05:39:41,517 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:39:41,517 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:39:41,635 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:39:41,635 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 3464 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3464 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 05:39:41,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:41,638 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:39:41,749 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 82.12% of their original sizes. [2018-12-03 05:39:41,749 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:39:41,783 INFO L418 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-12-03 05:39:41,783 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:39:41,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:39:41,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-03 05:39:41,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:39:41,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 05:39:41,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 05:39:41,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:39:41,784 INFO L87 Difference]: Start difference. First operand 697 states and 939 transitions. Second operand 10 states. [2018-12-03 05:39:43,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:43,583 INFO L93 Difference]: Finished difference Result 1662 states and 2205 transitions. [2018-12-03 05:39:43,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 05:39:43,583 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2018-12-03 05:39:43,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:43,585 INFO L225 Difference]: With dead ends: 1662 [2018-12-03 05:39:43,585 INFO L226 Difference]: Without dead ends: 971 [2018-12-03 05:39:43,586 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 05:39:43,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-12-03 05:39:43,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 969. [2018-12-03 05:39:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-03 05:39:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1236 transitions. [2018-12-03 05:39:43,608 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1236 transitions. Word has length 159 [2018-12-03 05:39:43,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:43,608 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1236 transitions. [2018-12-03 05:39:43,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 05:39:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1236 transitions. [2018-12-03 05:39:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-03 05:39:43,611 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:43,611 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 05:39:43,612 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:43,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:43,612 INFO L82 PathProgramCache]: Analyzing trace with hash -295399917, now seen corresponding path program 1 times [2018-12-03 05:39:43,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:43,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:43,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:43,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:43,613 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 05:39:43,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:43,659 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:39:43,659 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-03 05:39:43,659 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 05:39:43,662 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:39:43,662 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:39:43,918 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:39:43,918 INFO L272 AbstractInterpreter]: Visited 138 different actions 546 times. Merged at 7 different actions 27 times. Never widened. Performed 7567 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7567 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-03 05:39:43,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:43,920 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:39:43,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:43,920 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:39:43,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:43,927 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:39:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:43,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:39:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-03 05:39:44,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:39:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 05:39:44,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:39:44,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-03 05:39:44,098 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:39:44,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:39:44,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:39:44,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 05:39:44,099 INFO L87 Difference]: Start difference. First operand 969 states and 1236 transitions. Second operand 8 states. [2018-12-03 05:39:45,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:45,547 INFO L93 Difference]: Finished difference Result 2933 states and 3963 transitions. [2018-12-03 05:39:45,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-03 05:39:45,548 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2018-12-03 05:39:45,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:45,554 INFO L225 Difference]: With dead ends: 2933 [2018-12-03 05:39:45,555 INFO L226 Difference]: Without dead ends: 1819 [2018-12-03 05:39:45,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2018-12-03 05:39:45,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-12-03 05:39:45,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1527. [2018-12-03 05:39:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-12-03 05:39:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1773 transitions. [2018-12-03 05:39:45,597 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1773 transitions. Word has length 170 [2018-12-03 05:39:45,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:45,597 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 1773 transitions. [2018-12-03 05:39:45,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:39:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1773 transitions. [2018-12-03 05:39:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-03 05:39:45,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:45,601 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:39:45,602 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:45,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:45,602 INFO L82 PathProgramCache]: Analyzing trace with hash 816954183, now seen corresponding path program 1 times [2018-12-03 05:39:45,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:45,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:45,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:45,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:45,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-03 05:39:45,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:45,674 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:39:45,675 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-12-03 05:39:45,675 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 05:39:45,677 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:39:45,677 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:39:45,788 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:39:45,788 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 4 different actions 4 times. Never widened. Performed 3549 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 05:39:45,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:45,789 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:39:45,942 INFO L227 lantSequenceWeakener]: Weakened 194 states. On average, predicates are now at 82% of their original sizes. [2018-12-03 05:39:45,942 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:39:45,980 INFO L418 sIntCurrentIteration]: We unified 196 AI predicates to 196 [2018-12-03 05:39:45,980 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:39:45,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:39:45,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 05:39:45,980 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:39:45,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 05:39:45,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 05:39:45,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:39:45,981 INFO L87 Difference]: Start difference. First operand 1527 states and 1773 transitions. Second operand 10 states. [2018-12-03 05:39:47,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:47,954 INFO L93 Difference]: Finished difference Result 3050 states and 3596 transitions. [2018-12-03 05:39:47,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 05:39:47,954 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2018-12-03 05:39:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:47,958 INFO L225 Difference]: With dead ends: 3050 [2018-12-03 05:39:47,959 INFO L226 Difference]: Without dead ends: 1801 [2018-12-03 05:39:47,961 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 05:39:47,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2018-12-03 05:39:47,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1799. [2018-12-03 05:39:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1799 states. [2018-12-03 05:39:47,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2066 transitions. [2018-12-03 05:39:47,988 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2066 transitions. Word has length 197 [2018-12-03 05:39:47,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:47,989 INFO L480 AbstractCegarLoop]: Abstraction has 1799 states and 2066 transitions. [2018-12-03 05:39:47,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 05:39:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2066 transitions. [2018-12-03 05:39:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-03 05:39:47,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:47,991 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:39:47,992 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:47,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:47,992 INFO L82 PathProgramCache]: Analyzing trace with hash 145649996, now seen corresponding path program 1 times [2018-12-03 05:39:47,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:47,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:47,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:47,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:47,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-03 05:39:48,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:48,075 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:39:48,075 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-12-03 05:39:48,075 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 05:39:48,076 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:39:48,077 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:39:48,363 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:39:48,363 INFO L272 AbstractInterpreter]: Visited 139 different actions 553 times. Merged at 8 different actions 30 times. Never widened. Performed 7730 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7730 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-03 05:39:48,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:48,364 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:39:48,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:48,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:39:48,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:48,371 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:39:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:48,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:39:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 05:39:48,447 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:39:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 05:39:48,529 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:39:48,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-03 05:39:48,529 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:39:48,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 05:39:48,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 05:39:48,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-03 05:39:48,530 INFO L87 Difference]: Start difference. First operand 1799 states and 2066 transitions. Second operand 11 states. [2018-12-03 05:39:49,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:49,509 INFO L93 Difference]: Finished difference Result 6386 states and 7727 transitions. [2018-12-03 05:39:49,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 05:39:49,509 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2018-12-03 05:39:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:49,518 INFO L225 Difference]: With dead ends: 6386 [2018-12-03 05:39:49,518 INFO L226 Difference]: Without dead ends: 5000 [2018-12-03 05:39:49,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 413 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-03 05:39:49,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2018-12-03 05:39:49,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4861. [2018-12-03 05:39:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4861 states. [2018-12-03 05:39:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 5729 transitions. [2018-12-03 05:39:49,576 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 5729 transitions. Word has length 205 [2018-12-03 05:39:49,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:49,576 INFO L480 AbstractCegarLoop]: Abstraction has 4861 states and 5729 transitions. [2018-12-03 05:39:49,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 05:39:49,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 5729 transitions. [2018-12-03 05:39:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-03 05:39:49,582 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:49,582 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:39:49,583 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:49,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:49,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1003340765, now seen corresponding path program 1 times [2018-12-03 05:39:49,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:49,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:49,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:49,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:49,583 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 90 proven. 50 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-03 05:39:49,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:49,669 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:39:49,669 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-12-03 05:39:49,669 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 05:39:49,671 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:39:49,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:39:49,956 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:39:49,956 INFO L272 AbstractInterpreter]: Visited 140 different actions 562 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 7889 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7889 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-03 05:39:49,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:49,958 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:39:49,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:49,958 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:39:49,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:49,965 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:39:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:50,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:39:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-03 05:39:50,071 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:39:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 95 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-03 05:39:50,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:39:50,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-03 05:39:50,159 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:39:50,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 05:39:50,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 05:39:50,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-03 05:39:50,160 INFO L87 Difference]: Start difference. First operand 4861 states and 5729 transitions. Second operand 12 states. [2018-12-03 05:39:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:52,213 INFO L93 Difference]: Finished difference Result 15012 states and 19009 transitions. [2018-12-03 05:39:52,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-03 05:39:52,213 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 224 [2018-12-03 05:39:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:52,234 INFO L225 Difference]: With dead ends: 15012 [2018-12-03 05:39:52,234 INFO L226 Difference]: Without dead ends: 10294 [2018-12-03 05:39:52,240 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 480 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=512, Invalid=1938, Unknown=0, NotChecked=0, Total=2450 [2018-12-03 05:39:52,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10294 states. [2018-12-03 05:39:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10294 to 9722. [2018-12-03 05:39:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9722 states. [2018-12-03 05:39:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9722 states to 9722 states and 12028 transitions. [2018-12-03 05:39:52,379 INFO L78 Accepts]: Start accepts. Automaton has 9722 states and 12028 transitions. Word has length 224 [2018-12-03 05:39:52,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:52,379 INFO L480 AbstractCegarLoop]: Abstraction has 9722 states and 12028 transitions. [2018-12-03 05:39:52,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 05:39:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 9722 states and 12028 transitions. [2018-12-03 05:39:52,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-03 05:39:52,395 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:39:52,395 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:39:52,396 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:39:52,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:52,396 INFO L82 PathProgramCache]: Analyzing trace with hash 198414137, now seen corresponding path program 1 times [2018-12-03 05:39:52,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:39:52,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:52,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:52,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:39:52,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:39:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 114 proven. 53 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 05:39:52,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:52,477 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:39:52,477 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-12-03 05:39:52,477 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 05:39:52,479 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:39:52,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:39:52,805 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:39:52,806 INFO L272 AbstractInterpreter]: Visited 140 different actions 690 times. Merged at 9 different actions 34 times. Never widened. Performed 9589 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9589 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-03 05:39:52,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:39:52,810 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:39:52,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:39:52,810 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:39:52,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:39:52,816 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:39:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:39:52,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:39:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-03 05:39:52,910 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:39:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-03 05:39:52,977 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:39:52,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-03 05:39:52,977 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:39:52,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:39:52,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:39:52,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:39:52,978 INFO L87 Difference]: Start difference. First operand 9722 states and 12028 transitions. Second operand 3 states. [2018-12-03 05:39:53,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:39:53,244 INFO L93 Difference]: Finished difference Result 10407 states and 12836 transitions. [2018-12-03 05:39:53,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:39:53,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-12-03 05:39:53,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:39:53,245 INFO L225 Difference]: With dead ends: 10407 [2018-12-03 05:39:53,245 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 05:39:53,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 466 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:39:53,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 05:39:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 05:39:53,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 05:39:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 05:39:53,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2018-12-03 05:39:53,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:39:53,262 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 05:39:53,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:39:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 05:39:53,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 05:39:53,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 05:39:53,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:39:53,626 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 108 [2018-12-03 05:39:54,602 WARN L180 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 100 [2018-12-03 05:39:54,792 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2018-12-03 05:39:55,000 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 62 [2018-12-03 05:39:55,001 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:39:55,001 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-03 05:39:55,002 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-03 05:39:55,003 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,004 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,005 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,006 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,007 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,008 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-03 05:39:55,009 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse22 (= 1 |old(~a17~0)|)) (.cse21 (= 1 |old(~a20~0)|))) (let ((.cse6 (not (= 1 |old(~a21~0)|))) (.cse10 (not .cse21)) (.cse13 (= 0 |old(~a16~0)|)) (.cse7 (not (= 8 ~a12~0))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse14 (not .cse22)) (.cse28 (= ~a16~0 6)) (.cse25 (= ~a7~0 |old(~a7~0)|)) (.cse26 (= |old(~a8~0)| ~a8~0)) (.cse23 (= |old(~a20~0)| ~a20~0)) (.cse24 (= ~a17~0 |old(~a17~0)|))) (let ((.cse3 (not (= 5 |old(~a16~0)|))) (.cse1 (= ~a16~0 5)) (.cse20 (< 0 |old(~a20~0)|)) (.cse18 (and .cse25 .cse26 .cse23 .cse24)) (.cse19 (< |old(~a8~0)| 15)) (.cse17 (not (= 1 |old(~a7~0)|))) (.cse16 (not .cse28)) (.cse15 (= 13 |old(~a8~0)|)) (.cse8 (< 0 |old(~a17~0)|)) (.cse5 (= 6 |old(~a16~0)|)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse2 (not (= 15 |old(~a8~0)|))) (.cse4 (or .cse6 .cse10 .cse13 .cse7 .cse9 (= 0 |old(~a8~0)|) .cse14)) (.cse11 (not (= ~a16~0 0))) (.cse12 (= ~a21~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 (and .cse11 .cse12) .cse13) (or .cse9 (or .cse0 .cse6 .cse2 (not (= 0 |old(~a20~0)|)) .cse3 .cse7 .cse14) (and .cse12 .cse1)) (or .cse5 .cse15 .cse16 .cse17 .cse8) (or .cse18 .cse19 .cse20) (or .cse18 (or .cse15 .cse8 .cse20)) (or .cse5 .cse21 .cse19 .cse18) (or .cse22 .cse19 .cse18) (or .cse5 .cse16 .cse21 .cse19) (or (and .cse23 .cse24 (or (and .cse25 .cse26 .cse16) (and .cse25 (= 1 ~a7~0) .cse26))) (let ((.cse27 (< 13 |old(~a8~0)|))) (and (or .cse27 .cse17) (or .cse5 .cse27)))) (or .cse5 (and .cse25 .cse26 .cse23 .cse24 .cse16) .cse15 (< |old(~a20~0)| 1) .cse8) (or .cse9 (and .cse12 .cse28) (or (not .cse5) .cse0 .cse6 .cse10 .cse2 (not (= 0 |old(~a17~0)|)) .cse7)) (or .cse4 (and .cse11 .cse12 .cse25 .cse26 .cse24 (= ~a20~0 1))))))) [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-03 05:39:55,010 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-03 05:39:55,011 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-03 05:39:55,012 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-03 05:39:55,013 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-03 05:39:55,013 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:39:55,013 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-03 05:39:55,013 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 05:39:55,013 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:39:55,013 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-03 05:39:55,013 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-03 05:39:55,013 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1)) (.cse5 (<= ~a17~0 0)) (.cse4 (<= ~a20~0 0)) (.cse2 (not (= ~a16~0 6)))) (or (and (not .cse0) .cse1 .cse2) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (not (= ~a8~0 0)) .cse3 (= ~a21~0 1) .cse0) (and .cse1 .cse4) (and .cse1 (not .cse3)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse5) (and .cse5 (not (= ~a8~0 13)) .cse4) (let ((.cse6 (<= ~a8~0 13))) (or (and .cse6 (= 1 ~a7~0)) (and .cse6 .cse2))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-03 05:39:55,013 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-03 05:39:55,013 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-03 05:39:55,013 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (= ~a17~0 1)) (.cse5 (= ~a20~0 1)) (.cse0 (<= 15 ~a8~0)) (.cse3 (not (= ~a16~0 6))) (.cse4 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1) (and .cse0 (not .cse2)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse3 .cse4) (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) .cse2 (= ~a21~0 1) .cse5) (and (not .cse5) .cse0 .cse3) (let ((.cse6 (<= ~a8~0 13))) (or (and .cse6 (= 1 ~a7~0)) (and .cse6 .cse3))) (and .cse4 (not (= ~a8~0 13)) .cse1) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-03 05:39:55,013 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-03 05:39:55,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:39:55 BoogieIcfgContainer [2018-12-03 05:39:55,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 05:39:55,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 05:39:55,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 05:39:55,023 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 05:39:55,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:39:36" (3/4) ... [2018-12-03 05:39:55,026 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 05:39:55,029 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 05:39:55,029 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 05:39:55,030 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 05:39:55,037 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 05:39:55,038 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 05:39:55,058 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(a16 == 6) && a17 <= 0)) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || ((a17 <= 0 && !(a8 == 13)) && a20 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-12-03 05:39:55,111 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4da942f1-2224-4d9e-b3ee-03c61049b730/bin-2019/utaipan/witness.graphml [2018-12-03 05:39:55,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 05:39:55,111 INFO L168 Benchmark]: Toolchain (without parser) took 19994.91 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 940.6 MB in the beginning and 1.2 GB in the end (delta: -304.1 MB). Peak memory consumption was 888.7 MB. Max. memory is 11.5 GB. [2018-12-03 05:39:55,112 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:39:55,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-03 05:39:55,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 05:39:55,112 INFO L168 Benchmark]: Boogie Preprocessor took 52.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:39:55,113 INFO L168 Benchmark]: RCFGBuilder took 618.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:39:55,113 INFO L168 Benchmark]: TraceAbstraction took 18866.20 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 975.2 MB in the beginning and 1.2 GB in the end (delta: -269.4 MB). Peak memory consumption was 821.1 MB. Max. memory is 11.5 GB. [2018-12-03 05:39:55,113 INFO L168 Benchmark]: Witness Printer took 87.70 ms. Allocated memory is still 2.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-03 05:39:55,114 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 618.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18866.20 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 975.2 MB in the beginning and 1.2 GB in the end (delta: -269.4 MB). Peak memory consumption was 821.1 MB. Max. memory is 11.5 GB. * Witness Printer took 87.70 ms. Allocated memory is still 2.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(a16 == 6) && a17 <= 0)) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || ((a17 <= 0 && !(a8 == 13)) && a20 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 18.8s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 12.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 472 SDtfs, 8602 SDslu, 763 SDs, 0 SdLazy, 11743 SolverSat, 2127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2362 GetRequests, 2197 SyntacticMatches, 8 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9722occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9972562967747833 AbsIntWeakeningRatio, 0.2198019801980198 AbsIntAvgWeakeningVarsNumRemoved, 29.447524752475246 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1669 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 218 PreInvPairs, 484 NumberOfFragments, 725 HoareAnnotationTreeSize, 218 FomulaSimplifications, 23652 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8322 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2445 NumberOfCodeBlocks, 2445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3260 ConstructedInterpolants, 0 QuantifiedInterpolants, 1225908 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2445 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 1597/1806 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...