java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:42:07,231 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:42:07,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:42:07,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:42:07,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:42:07,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:42:07,248 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:42:07,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:42:07,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:42:07,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:42:07,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:42:07,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:42:07,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:42:07,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:42:07,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:42:07,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:42:07,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:42:07,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:42:07,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:42:07,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:42:07,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:42:07,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:42:07,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:42:07,270 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:42:07,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:42:07,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:42:07,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:42:07,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:42:07,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:42:07,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:42:07,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:42:07,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 22:42:07,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:42:07,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:42:07,278 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:42:07,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:42:07,279 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 22:42:07,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:42:07,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:42:07,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:42:07,295 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:42:07,295 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:42:07,295 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:42:07,296 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:42:07,296 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:42:07,296 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:42:07,296 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:42:07,296 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:42:07,297 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:42:07,297 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:42:07,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:42:07,298 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:42:07,298 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:42:07,298 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:42:07,298 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:42:07,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:42:07,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:42:07,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:42:07,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:42:07,299 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:42:07,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:42:07,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:42:07,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:42:07,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:42:07,300 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:42:07,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:42:07,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:42:07,301 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:42:07,301 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:42:07,301 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:42:07,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:42:07,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:42:07,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:42:07,362 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:42:07,363 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:42:07,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c [2018-07-23 22:42:07,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c31076c1/197f7457445743059e287fc92111633e/FLAGd6ed474c6 [2018-07-23 22:42:08,065 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:42:08,066 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c [2018-07-23 22:42:08,096 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c31076c1/197f7457445743059e287fc92111633e/FLAGd6ed474c6 [2018-07-23 22:42:08,116 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c31076c1/197f7457445743059e287fc92111633e [2018-07-23 22:42:08,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:42:08,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:42:08,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:42:08,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:42:08,143 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:42:08,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:42:08" (1/1) ... [2018-07-23 22:42:08,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180e1f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:08, skipping insertion in model container [2018-07-23 22:42:08,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:42:08" (1/1) ... [2018-07-23 22:42:08,378 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:42:08,964 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:42:08,986 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:42:09,302 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:42:09,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09 WrapperNode [2018-07-23 22:42:09,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:42:09,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:42:09,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:42:09,450 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:42:09,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:09,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:09,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:42:09,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:42:09,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:42:09,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:42:09,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:09,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:09,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:09,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:10,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:10,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:10,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... [2018-07-23 22:42:10,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:42:10,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:42:10,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:42:10,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:42:10,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-07-23 22:42:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:42:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:42:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:42:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:42:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:42:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:42:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:42:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:42:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:42:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:42:17,192 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:42:17,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:42:17 BoogieIcfgContainer [2018-07-23 22:42:17,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:42:17,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:42:17,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:42:17,197 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:42:17,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:42:08" (1/3) ... [2018-07-23 22:42:17,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab24393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:42:17, skipping insertion in model container [2018-07-23 22:42:17,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:09" (2/3) ... [2018-07-23 22:42:17,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab24393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:42:17, skipping insertion in model container [2018-07-23 22:42:17,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:42:17" (3/3) ... [2018-07-23 22:42:17,202 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label43_true-unreach-call.c [2018-07-23 22:42:17,212 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:42:17,221 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:42:17,277 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:42:17,277 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:42:17,278 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:42:17,278 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:42:17,278 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:42:17,278 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:42:17,278 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:42:17,278 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:42:17,279 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:42:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-23 22:42:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 22:42:17,330 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:42:17,331 INFO L353 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] [2018-07-23 22:42:17,332 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:42:17,337 INFO L82 PathProgramCache]: Analyzing trace with hash 876456889, now seen corresponding path program 1 times [2018-07-23 22:42:17,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:42:17,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:17,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:42:17,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:17,387 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:42:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:42:17,929 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-23 22:42:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:42:17,962 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:42:17,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:42:17,962 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:42:17,969 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:42:17,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:42:17,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:17,988 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-23 22:42:25,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:42:25,376 INFO L93 Difference]: Finished difference Result 1501 states and 2761 transitions. [2018-07-23 22:42:25,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:42:25,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-07-23 22:42:25,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:42:25,406 INFO L225 Difference]: With dead ends: 1501 [2018-07-23 22:42:25,406 INFO L226 Difference]: Without dead ends: 1057 [2018-07-23 22:42:25,418 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:25,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2018-07-23 22:42:25,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 744. [2018-07-23 22:42:25,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-07-23 22:42:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1125 transitions. [2018-07-23 22:42:25,516 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1125 transitions. Word has length 65 [2018-07-23 22:42:25,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:42:25,517 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1125 transitions. [2018-07-23 22:42:25,518 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:42:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1125 transitions. [2018-07-23 22:42:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 22:42:25,528 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:42:25,531 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-23 22:42:25,531 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:42:25,531 INFO L82 PathProgramCache]: Analyzing trace with hash 2075274093, now seen corresponding path program 1 times [2018-07-23 22:42:25,532 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:42:25,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:25,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:42:25,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:25,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:42:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:42:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:42:25,763 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:42:25,763 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:42:25,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:42:25,766 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:42:25,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:42:25,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:25,767 INFO L87 Difference]: Start difference. First operand 744 states and 1125 transitions. Second operand 4 states. [2018-07-23 22:42:32,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:42:32,566 INFO L93 Difference]: Finished difference Result 2732 states and 4244 transitions. [2018-07-23 22:42:32,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:42:32,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2018-07-23 22:42:32,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:42:32,584 INFO L225 Difference]: With dead ends: 2732 [2018-07-23 22:42:32,585 INFO L226 Difference]: Without dead ends: 1994 [2018-07-23 22:42:32,591 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:32,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2018-07-23 22:42:32,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1682. [2018-07-23 22:42:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-07-23 22:42:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2410 transitions. [2018-07-23 22:42:32,695 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2410 transitions. Word has length 135 [2018-07-23 22:42:32,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:42:32,695 INFO L471 AbstractCegarLoop]: Abstraction has 1682 states and 2410 transitions. [2018-07-23 22:42:32,695 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:42:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2410 transitions. [2018-07-23 22:42:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-07-23 22:42:32,713 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:42:32,713 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-23 22:42:32,713 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:42:32,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1131988501, now seen corresponding path program 1 times [2018-07-23 22:42:32,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:42:32,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:32,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:42:32,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:32,716 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:42:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:42:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 119 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 22:42:33,254 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:42:33,254 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:42:33,255 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-07-23 22:42:33,257 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [619], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [744], [747], [751], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:42:33,321 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:42:33,322 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:42:38,469 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:43:01,499 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:43:01,501 INFO L272 AbstractInterpreter]: Visited 130 different actions 501 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:43:01,514 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:43:04,957 INFO L232 lantSequenceWeakener]: Weakened 281 states. On average, predicates are now at 78.14% of their original sizes. [2018-07-23 22:43:04,960 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:43:07,194 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:43:07,195 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:43:07,195 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-07-23 22:43:07,195 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:43:07,196 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 22:43:07,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 22:43:07,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-23 22:43:07,197 INFO L87 Difference]: Start difference. First operand 1682 states and 2410 transitions. Second operand 13 states. [2018-07-23 22:44:50,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:44:50,899 INFO L93 Difference]: Finished difference Result 4381 states and 6028 transitions. [2018-07-23 22:44:50,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 22:44:50,899 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 285 [2018-07-23 22:44:50,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:44:50,914 INFO L225 Difference]: With dead ends: 4381 [2018-07-23 22:44:50,914 INFO L226 Difference]: Without dead ends: 2705 [2018-07-23 22:44:50,922 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 297 GetRequests, 243 SyntacticMatches, 30 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-07-23 22:44:50,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2018-07-23 22:44:50,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2613. [2018-07-23 22:44:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2613 states. [2018-07-23 22:44:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3380 transitions. [2018-07-23 22:44:51,000 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3380 transitions. Word has length 285 [2018-07-23 22:44:51,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:44:51,001 INFO L471 AbstractCegarLoop]: Abstraction has 2613 states and 3380 transitions. [2018-07-23 22:44:51,001 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 22:44:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3380 transitions. [2018-07-23 22:44:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2018-07-23 22:44:51,012 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:44:51,013 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:44:51,013 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:44:51,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1646561489, now seen corresponding path program 1 times [2018-07-23 22:44:51,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:44:51,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:44:51,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:44:51,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:44:51,015 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:44:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:44:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:44:51,789 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:44:51,789 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:44:51,789 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 427 with the following transitions: [2018-07-23 22:44:51,790 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [572], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1307], [1311], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1380], [1384], [1388], [1399], [1403], [1414], [1418], [1422], [1426], [1430], [1434], [1438], [1442], [1446], [1450], [1454], [1458], [1462], [1466], [1470], [1474], [1478], [1482], [1486], [1489], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:44:51,813 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:44:51,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:45:08,605 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:45:55,494 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:45:55,494 INFO L272 AbstractInterpreter]: Visited 283 different actions 560 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:45:55,510 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown