java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 19:26:31,023 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 19:26:31,025 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 19:26:31,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 19:26:31,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 19:26:31,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 19:26:31,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 19:26:31,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 19:26:31,051 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 19:26:31,052 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 19:26:31,057 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 19:26:31,057 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 19:26:31,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 19:26:31,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 19:26:31,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 19:26:31,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 19:26:31,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 19:26:31,071 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 19:26:31,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 19:26:31,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 19:26:31,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 19:26:31,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 19:26:31,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 19:26:31,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 19:26:31,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 19:26:31,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 19:26:31,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 19:26:31,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 19:26:31,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 19:26:31,084 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 19:26:31,084 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 19:26:31,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 19:26:31,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 19:26:31,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 19:26:31,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 19:26:31,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 19:26:31,089 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-11 19:26:31,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 19:26:31,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 19:26:31,118 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 19:26:31,123 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 19:26:31,123 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 19:26:31,123 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 19:26:31,124 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 19:26:31,124 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-11 19:26:31,124 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-11 19:26:31,124 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 19:26:31,125 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 19:26:31,125 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 19:26:31,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 19:26:31,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 19:26:31,126 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 19:26:31,126 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 19:26:31,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 19:26:31,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 19:26:31,127 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 19:26:31,127 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 19:26:31,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 19:26:31,130 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 19:26:31,130 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 19:26:31,130 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 19:26:31,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 19:26:31,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 19:26:31,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 19:26:31,131 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 19:26:31,131 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 19:26:31,131 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 19:26:31,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 19:26:31,132 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 19:26:31,132 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 19:26:31,132 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 19:26:31,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 19:26:31,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 19:26:31,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 19:26:31,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 19:26:31,218 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 19:26:31,219 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-09-11 19:26:31,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1c5570e/b49811e5efcb41d5b7d94e6900671912/FLAGa2fc6e12d [2018-09-11 19:26:31,701 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 19:26:31,702 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-09-11 19:26:31,722 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1c5570e/b49811e5efcb41d5b7d94e6900671912/FLAGa2fc6e12d [2018-09-11 19:26:31,744 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1c5570e/b49811e5efcb41d5b7d94e6900671912 [2018-09-11 19:26:31,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 19:26:31,765 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 19:26:31,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 19:26:31,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 19:26:31,776 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 19:26:31,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:26:31" (1/1) ... [2018-09-11 19:26:31,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a7a40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:31, skipping insertion in model container [2018-09-11 19:26:31,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:26:31" (1/1) ... [2018-09-11 19:26:31,975 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 19:26:32,064 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:26:32,091 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 19:26:32,137 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:26:32,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32 WrapperNode [2018-09-11 19:26:32,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 19:26:32,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 19:26:32,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 19:26:32,168 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 19:26:32,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 19:26:32,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 19:26:32,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 19:26:32,200 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 19:26:32,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (1/1) ... [2018-09-11 19:26:32,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 19:26:32,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 19:26:32,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 19:26:32,251 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 19:26:32,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (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 [2018-09-11 19:26:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 19:26:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 19:26:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 19:26:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 19:26:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 19:26:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 19:26:33,165 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 19:26:33,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:26:33 BoogieIcfgContainer [2018-09-11 19:26:33,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 19:26:33,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 19:26:33,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 19:26:33,170 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 19:26:33,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 07:26:31" (1/3) ... [2018-09-11 19:26:33,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1f627d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:26:33, skipping insertion in model container [2018-09-11 19:26:33,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:26:32" (2/3) ... [2018-09-11 19:26:33,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1f627d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:26:33, skipping insertion in model container [2018-09-11 19:26:33,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:26:33" (3/3) ... [2018-09-11 19:26:33,174 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_io_1_true-unreach-call_false-termination.c [2018-09-11 19:26:33,184 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 19:26:33,193 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 19:26:33,236 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 19:26:33,236 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 19:26:33,237 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 19:26:33,237 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 19:26:33,237 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 19:26:33,237 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 19:26:33,237 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 19:26:33,237 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 19:26:33,238 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 19:26:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2018-09-11 19:26:33,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-11 19:26:33,263 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:26:33,264 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:26:33,265 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:26:33,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1125574581, now seen corresponding path program 1 times [2018-09-11 19:26:33,273 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:26:33,274 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-11 19:26:33,278 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [321], [324], [325], [326] [2018-09-11 19:26:33,308 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:26:33,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:26:33,380 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:26:33,381 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-11 19:26:33,401 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:26:33,451 INFO L232 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 98% of their original sizes. [2018-09-11 19:26:33,452 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:26:33,486 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:26:33,487 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:26:33,488 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-11 19:26:33,488 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:26:33,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-11 19:26:33,498 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-11 19:26:33,499 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-11 19:26:33,500 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 3 states. [2018-09-11 19:26:33,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:26:33,751 INFO L93 Difference]: Finished difference Result 139 states and 256 transitions. [2018-09-11 19:26:33,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-11 19:26:33,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-11 19:26:33,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:26:33,766 INFO L225 Difference]: With dead ends: 139 [2018-09-11 19:26:33,766 INFO L226 Difference]: Without dead ends: 64 [2018-09-11 19:26:33,770 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-11 19:26:33,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-09-11 19:26:33,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-09-11 19:26:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-09-11 19:26:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2018-09-11 19:26:33,816 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 13 [2018-09-11 19:26:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:26:33,817 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2018-09-11 19:26:33,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-11 19:26:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2018-09-11 19:26:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-11 19:26:33,818 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:26:33,818 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:26:33,819 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:26:33,819 INFO L82 PathProgramCache]: Analyzing trace with hash 353166488, now seen corresponding path program 1 times [2018-09-11 19:26:33,819 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:26:33,820 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-11 19:26:33,820 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [321], [324], [325], [326] [2018-09-11 19:26:33,821 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:26:33,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:26:33,832 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:26:33,832 INFO L272 AbstractInterpreter]: Visited 14 different actions 17 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 19:26:33,871 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:26:33,914 INFO L232 lantSequenceWeakener]: Weakened 13 states. On average, predicates are now at 95.64% of their original sizes. [2018-09-11 19:26:33,914 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:26:33,997 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:26:33,998 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:26:33,998 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-11 19:26:33,998 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:26:33,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-11 19:26:34,000 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-11 19:26:34,000 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-11 19:26:34,000 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand 6 states. [2018-09-11 19:26:34,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:26:34,351 INFO L93 Difference]: Finished difference Result 158 states and 238 transitions. [2018-09-11 19:26:34,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-11 19:26:34,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-09-11 19:26:34,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:26:34,354 INFO L225 Difference]: With dead ends: 158 [2018-09-11 19:26:34,354 INFO L226 Difference]: Without dead ends: 99 [2018-09-11 19:26:34,356 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-11 19:26:34,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-09-11 19:26:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 89. [2018-09-11 19:26:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-09-11 19:26:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions. [2018-09-11 19:26:34,369 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 19 [2018-09-11 19:26:34,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:26:34,369 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions. [2018-09-11 19:26:34,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-11 19:26:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2018-09-11 19:26:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-11 19:26:34,371 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:26:34,371 INFO L376 BasicCegarLoop]: trace histogram [3, 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] [2018-09-11 19:26:34,372 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:26:34,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1283208776, now seen corresponding path program 1 times [2018-09-11 19:26:34,372 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:26:34,372 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 32 with the following transitions: [2018-09-11 19:26:34,373 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [86], [89], [105], [121], [137], [153], [168], [171], [174], [179], [321], [324], [325], [326] [2018-09-11 19:26:34,374 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:26:34,374 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:26:34,402 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:26:34,402 INFO L272 AbstractInterpreter]: Visited 24 different actions 40 times. Merged at 12 different actions 13 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 32 variables. [2018-09-11 19:26:34,414 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:26:34,453 INFO L232 lantSequenceWeakener]: Weakened 25 states. On average, predicates are now at 93.47% of their original sizes. [2018-09-11 19:26:34,454 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:26:34,594 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:26:34,594 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:26:34,595 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-11 19:26:34,595 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:26:34,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-11 19:26:34,596 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-11 19:26:34,596 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-11 19:26:34,597 INFO L87 Difference]: Start difference. First operand 89 states and 129 transitions. Second operand 8 states. [2018-09-11 19:26:35,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:26:35,489 INFO L93 Difference]: Finished difference Result 264 states and 386 transitions. [2018-09-11 19:26:35,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-11 19:26:35,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-09-11 19:26:35,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:26:35,493 INFO L225 Difference]: With dead ends: 264 [2018-09-11 19:26:35,493 INFO L226 Difference]: Without dead ends: 175 [2018-09-11 19:26:35,494 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-09-11 19:26:35,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-09-11 19:26:35,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 128. [2018-09-11 19:26:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-09-11 19:26:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2018-09-11 19:26:35,520 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 31 [2018-09-11 19:26:35,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:26:35,521 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2018-09-11 19:26:35,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-11 19:26:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2018-09-11 19:26:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-11 19:26:35,523 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:26:35,523 INFO L376 BasicCegarLoop]: trace histogram [3, 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] [2018-09-11 19:26:35,523 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:26:35,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1384362555, now seen corresponding path program 1 times [2018-09-11 19:26:35,524 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:26:35,524 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-09-11 19:26:35,524 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [105], [121], [137], [153], [168], [171], [174], [179], [201], [204], [220], [236], [252], [268], [271], [274], [277], [321], [324], [325], [326] [2018-09-11 19:26:35,526 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:26:35,526 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:26:35,550 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:26:35,550 INFO L272 AbstractInterpreter]: Visited 32 different actions 48 times. Merged at 12 different actions 13 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 36 variables. [2018-09-11 19:26:35,556 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:26:35,597 INFO L232 lantSequenceWeakener]: Weakened 34 states. On average, predicates are now at 93.18% of their original sizes. [2018-09-11 19:26:35,598 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:26:35,690 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:26:35,690 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:26:35,690 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 19:26:35,690 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:26:35,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 19:26:35,691 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 19:26:35,691 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-09-11 19:26:35,692 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 9 states. [2018-09-11 19:26:36,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:26:36,002 INFO L93 Difference]: Finished difference Result 194 states and 288 transitions. [2018-09-11 19:26:36,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-11 19:26:36,002 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-09-11 19:26:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:26:36,003 INFO L225 Difference]: With dead ends: 194 [2018-09-11 19:26:36,003 INFO L226 Difference]: Without dead ends: 0 [2018-09-11 19:26:36,004 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:26:36,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-11 19:26:36,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-11 19:26:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-11 19:26:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-11 19:26:36,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-09-11 19:26:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:26:36,006 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-11 19:26:36,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 19:26:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-11 19:26:36,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-11 19:26:36,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-11 19:26:36,399 WARN L175 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-09-11 19:26:36,403 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-11 19:26:36,403 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-11 19:26:36,403 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-11 19:26:36,403 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-11 19:26:36,403 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-11 19:26:36,404 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-11 19:26:36,404 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-11 19:26:36,404 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 13 344) no Hoare annotation was computed. [2018-09-11 19:26:36,404 INFO L426 ceAbstractionStarter]: For program point L36(lines 36 47) no Hoare annotation was computed. [2018-09-11 19:26:36,404 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-09-11 19:26:36,404 INFO L426 ceAbstractionStarter]: For program point L53(lines 53 104) no Hoare annotation was computed. [2018-09-11 19:26:36,404 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 217) no Hoare annotation was computed. [2018-09-11 19:26:36,405 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 85) no Hoare annotation was computed. [2018-09-11 19:26:36,405 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 333) no Hoare annotation was computed. [2018-09-11 19:26:36,405 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 201) no Hoare annotation was computed. [2018-09-11 19:26:36,405 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 69) no Hoare annotation was computed. [2018-09-11 19:26:36,405 INFO L422 ceAbstractionStarter]: At program point L335(lines 23 339) the Hoare annotation is: (let ((.cse2 (= main_~this_sink~0 0))) (let ((.cse1 (= main_~q~0 0)) (.cse3 (not .cse2))) (let ((.cse0 (or (and (not .cse1) (= (mod main_~q~0 2) 0) .cse2) (and .cse3 (= main_~q~0 3))))) (or (and .cse0 (= main_~q~0 2)) (and .cse1 .cse2) (and .cse0 .cse3))))) [2018-09-11 19:26:36,406 INFO L426 ceAbstractionStarter]: For program point L302(lines 302 317) no Hoare annotation was computed. [2018-09-11 19:26:36,406 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 13 344) no Hoare annotation was computed. [2018-09-11 19:26:36,406 INFO L426 ceAbstractionStarter]: For program point L170(lines 170 185) no Hoare annotation was computed. [2018-09-11 19:26:36,406 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 301) no Hoare annotation was computed. [2018-09-11 19:26:36,406 INFO L426 ceAbstractionStarter]: For program point L154(lines 154 169) no Hoare annotation was computed. [2018-09-11 19:26:36,406 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2018-09-11 19:26:36,406 INFO L426 ceAbstractionStarter]: For program point L88(lines 88 99) no Hoare annotation was computed. [2018-09-11 19:26:36,407 INFO L426 ceAbstractionStarter]: For program point L270(lines 270 285) no Hoare annotation was computed. [2018-09-11 19:26:36,407 INFO L426 ceAbstractionStarter]: For program point L204(lines 204 215) no Hoare annotation was computed. [2018-09-11 19:26:36,407 INFO L426 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2018-09-11 19:26:36,407 INFO L426 ceAbstractionStarter]: For program point L105(lines 105 220) no Hoare annotation was computed. [2018-09-11 19:26:36,407 INFO L426 ceAbstractionStarter]: For program point L72(lines 72 83) no Hoare annotation was computed. [2018-09-11 19:26:36,407 INFO L426 ceAbstractionStarter]: For program point L320(lines 320 331) no Hoare annotation was computed. [2018-09-11 19:26:36,408 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 269) no Hoare annotation was computed. [2018-09-11 19:26:36,408 INFO L426 ceAbstractionStarter]: For program point L221(lines 221 336) no Hoare annotation was computed. [2018-09-11 19:26:36,408 INFO L426 ceAbstractionStarter]: For program point L188(lines 188 199) no Hoare annotation was computed. [2018-09-11 19:26:36,408 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-09-11 19:26:36,408 INFO L426 ceAbstractionStarter]: For program point L56(lines 56 67) no Hoare annotation was computed. [2018-09-11 19:26:36,408 INFO L422 ceAbstractionStarter]: At program point L23-3(lines 23 339) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2018-09-11 19:26:36,409 INFO L426 ceAbstractionStarter]: For program point L23-4(lines 23 339) no Hoare annotation was computed. [2018-09-11 19:26:36,409 INFO L426 ceAbstractionStarter]: For program point L304(lines 304 315) no Hoare annotation was computed. [2018-09-11 19:26:36,409 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 253) no Hoare annotation was computed. [2018-09-11 19:26:36,409 INFO L426 ceAbstractionStarter]: For program point L172(lines 172 183) no Hoare annotation was computed. [2018-09-11 19:26:36,409 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 121) no Hoare annotation was computed. [2018-09-11 19:26:36,409 INFO L426 ceAbstractionStarter]: For program point L40(lines 40 42) no Hoare annotation was computed. [2018-09-11 19:26:36,409 INFO L426 ceAbstractionStarter]: For program point L288(lines 288 299) no Hoare annotation was computed. [2018-09-11 19:26:36,410 INFO L426 ceAbstractionStarter]: For program point L222(lines 222 237) no Hoare annotation was computed. [2018-09-11 19:26:36,410 INFO L426 ceAbstractionStarter]: For program point L156(lines 156 167) no Hoare annotation was computed. [2018-09-11 19:26:36,410 INFO L426 ceAbstractionStarter]: For program point L272(lines 272 283) no Hoare annotation was computed. [2018-09-11 19:26:36,410 INFO L426 ceAbstractionStarter]: For program point L140(lines 140 151) no Hoare annotation was computed. [2018-09-11 19:26:36,410 INFO L426 ceAbstractionStarter]: For program point L256(lines 256 267) no Hoare annotation was computed. [2018-09-11 19:26:36,410 INFO L426 ceAbstractionStarter]: For program point L124(lines 124 135) no Hoare annotation was computed. [2018-09-11 19:26:36,410 INFO L426 ceAbstractionStarter]: For program point L240(lines 240 251) no Hoare annotation was computed. [2018-09-11 19:26:36,411 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 119) no Hoare annotation was computed. [2018-09-11 19:26:36,411 INFO L426 ceAbstractionStarter]: For program point L224(lines 224 235) no Hoare annotation was computed. [2018-09-11 19:26:36,411 INFO L426 ceAbstractionStarter]: For program point L92(lines 92 94) no Hoare annotation was computed. [2018-09-11 19:26:36,411 INFO L426 ceAbstractionStarter]: For program point L208(lines 208 210) no Hoare annotation was computed. [2018-09-11 19:26:36,411 INFO L426 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-09-11 19:26:36,411 INFO L426 ceAbstractionStarter]: For program point L324(lines 324 326) no Hoare annotation was computed. [2018-09-11 19:26:36,412 INFO L426 ceAbstractionStarter]: For program point L192(lines 192 194) no Hoare annotation was computed. [2018-09-11 19:26:36,412 INFO L426 ceAbstractionStarter]: For program point L60(lines 60 62) no Hoare annotation was computed. [2018-09-11 19:26:36,412 INFO L426 ceAbstractionStarter]: For program point L308(lines 308 310) no Hoare annotation was computed. [2018-09-11 19:26:36,412 INFO L426 ceAbstractionStarter]: For program point L176(lines 176 178) no Hoare annotation was computed. [2018-09-11 19:26:36,412 INFO L422 ceAbstractionStarter]: At program point L325(lines 13 344) the Hoare annotation is: false [2018-09-11 19:26:36,412 INFO L426 ceAbstractionStarter]: For program point L292(lines 292 294) no Hoare annotation was computed. [2018-09-11 19:26:36,413 INFO L426 ceAbstractionStarter]: For program point L160(lines 160 162) no Hoare annotation was computed. [2018-09-11 19:26:36,413 INFO L426 ceAbstractionStarter]: For program point L276(lines 276 278) no Hoare annotation was computed. [2018-09-11 19:26:36,413 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 146) no Hoare annotation was computed. [2018-09-11 19:26:36,413 INFO L426 ceAbstractionStarter]: For program point L260(lines 260 262) no Hoare annotation was computed. [2018-09-11 19:26:36,413 INFO L426 ceAbstractionStarter]: For program point L128(lines 128 130) no Hoare annotation was computed. [2018-09-11 19:26:36,413 INFO L426 ceAbstractionStarter]: For program point L244(lines 244 246) no Hoare annotation was computed. [2018-09-11 19:26:36,413 INFO L426 ceAbstractionStarter]: For program point L112(lines 112 114) no Hoare annotation was computed. [2018-09-11 19:26:36,414 INFO L426 ceAbstractionStarter]: For program point L228(lines 228 230) no Hoare annotation was computed. [2018-09-11 19:26:36,414 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 13 344) the Hoare annotation is: true [2018-09-11 19:26:36,414 INFO L426 ceAbstractionStarter]: For program point L33(lines 33 52) no Hoare annotation was computed. [2018-09-11 19:26:36,414 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 49) no Hoare annotation was computed. [2018-09-11 19:26:36,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 07:26:36 BoogieIcfgContainer [2018-09-11 19:26:36,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 19:26:36,426 INFO L168 Benchmark]: Toolchain (without parser) took 4665.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -625.5 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. [2018-09-11 19:26:36,427 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 19:26:36,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-11 19:26:36,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 19:26:36,430 INFO L168 Benchmark]: Boogie Preprocessor took 51.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 19:26:36,430 INFO L168 Benchmark]: RCFGBuilder took 914.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -785.2 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2018-09-11 19:26:36,431 INFO L168 Benchmark]: TraceAbstraction took 3258.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 149.2 MB). Peak memory consumption was 149.2 MB. Max. memory is 7.1 GB. [2018-09-11 19:26:36,436 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 400.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 31.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 914.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -785.2 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3258.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 149.2 MB). Peak memory consumption was 149.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 343]: 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: 23]: Loop Invariant Derived loop invariant: q == 0 && this_sink == 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((!(q == 0) && q % 2 == 0) && this_sink == 0) || (!(this_sink == 0) && q == 3)) && q == 2) || (q == 0 && this_sink == 0)) || ((((!(q == 0) && q % 2 == 0) && this_sink == 0) || (!(this_sink == 0) && q == 3)) && !(this_sink == 0)) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 73 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 326 SDtfs, 609 SDslu, 665 SDs, 0 SdLazy, 304 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9502910539215687 AbsIntWeakeningRatio, 1.0208333333333333 AbsIntAvgWeakeningVarsNumRemoved, 7.34375 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 15 NumberOfFragments, 73 HoareAnnotationTreeSize, 7 FomulaSimplifications, 703 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_io_1_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_19-26-36-462.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_io_1_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_19-26-36-462.csv Received shutdown request...