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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 04:57:05,206 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 04:57:05,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 04:57:05,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 04:57:05,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 04:57:05,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 04:57:05,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 04:57:05,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 04:57:05,227 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 04:57:05,228 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 04:57:05,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 04:57:05,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 04:57:05,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 04:57:05,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 04:57:05,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 04:57:05,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 04:57:05,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 04:57:05,236 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 04:57:05,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 04:57:05,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 04:57:05,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 04:57:05,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 04:57:05,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 04:57:05,245 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 04:57:05,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 04:57:05,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 04:57:05,247 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 04:57:05,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 04:57:05,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 04:57:05,250 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 04:57:05,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 04:57:05,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 04:57:05,254 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 04:57:05,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 04:57:05,278 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 04:57:05,279 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 04:57:05,282 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 04:57:05,282 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 04:57:05,282 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 04:57:05,282 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 04:57:05,282 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 04:57:05,283 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 04:57:05,283 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 04:57:05,283 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 04:57:05,283 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 04:57:05,284 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 04:57:05,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 04:57:05,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 04:57:05,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 04:57:05,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 04:57:05,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 04:57:05,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 04:57:05,288 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 04:57:05,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 04:57:05,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 04:57:05,289 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 04:57:05,290 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 04:57:05,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 04:57:05,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 04:57:05,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 04:57:05,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 04:57:05,291 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 04:57:05,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 04:57:05,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 04:57:05,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 04:57:05,291 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 04:57:05,292 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 04:57:05,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 04:57:05,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 04:57:05,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 04:57:05,389 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 04:57:05,390 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 04:57:05,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-09-19 04:57:05,732 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/721f1dff3/de95ae88df8348b8a5e8c3d61f80cabc/FLAG55ddf6292 [2018-09-19 04:57:06,209 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 04:57:06,210 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-09-19 04:57:06,245 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/721f1dff3/de95ae88df8348b8a5e8c3d61f80cabc/FLAG55ddf6292 [2018-09-19 04:57:06,262 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/721f1dff3/de95ae88df8348b8a5e8c3d61f80cabc [2018-09-19 04:57:06,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 04:57:06,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 04:57:06,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 04:57:06,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 04:57:06,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 04:57:06,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:57:06" (1/1) ... [2018-09-19 04:57:06,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f68c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:06, skipping insertion in model container [2018-09-19 04:57:06,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:57:06" (1/1) ... [2018-09-19 04:57:06,305 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 04:57:07,187 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:57:07,217 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 04:57:07,495 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:57:07,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07 WrapperNode [2018-09-19 04:57:07,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 04:57:07,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 04:57:07,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 04:57:07,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 04:57:07,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:07,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:07,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 04:57:07,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 04:57:07,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 04:57:07,898 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 04:57:07,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:07,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:07,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:07,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:08,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:08,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:08,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (1/1) ... [2018-09-19 04:57:08,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 04:57:08,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 04:57:08,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 04:57:08,085 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 04:57:08,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (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 [2018-09-19 04:57:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 04:57:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 04:57:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 04:57:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 04:57:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 04:57:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 04:57:12,554 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 04:57:12,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:57:12 BoogieIcfgContainer [2018-09-19 04:57:12,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 04:57:12,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 04:57:12,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 04:57:12,560 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 04:57:12,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:57:06" (1/3) ... [2018-09-19 04:57:12,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b40abb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:57:12, skipping insertion in model container [2018-09-19 04:57:12,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:57:07" (2/3) ... [2018-09-19 04:57:12,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b40abb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:57:12, skipping insertion in model container [2018-09-19 04:57:12,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:57:12" (3/3) ... [2018-09-19 04:57:12,564 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-09-19 04:57:12,573 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 04:57:12,582 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 04:57:12,636 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 04:57:12,637 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 04:57:12,637 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 04:57:12,637 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 04:57:12,637 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 04:57:12,637 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 04:57:12,637 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 04:57:12,638 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 04:57:12,638 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 04:57:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2018-09-19 04:57:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-19 04:57:12,671 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:12,672 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:12,673 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:12,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1668338331, now seen corresponding path program 1 times [2018-09-19 04:57:12,681 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:12,682 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-19 04:57:12,685 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [1220], [1223], [1224], [1225] [2018-09-19 04:57:12,740 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:12,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:13,445 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:13,446 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-19 04:57:13,462 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:13,832 INFO L232 lantSequenceWeakener]: Weakened 11 states. On average, predicates are now at 98.78% of their original sizes. [2018-09-19 04:57:13,833 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:13,919 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:13,920 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:13,921 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-19 04:57:13,921 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:13,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-19 04:57:13,935 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-19 04:57:13,936 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-19 04:57:13,938 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 4 states. [2018-09-19 04:57:14,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:14,941 INFO L93 Difference]: Finished difference Result 472 states and 922 transitions. [2018-09-19 04:57:14,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-19 04:57:14,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-09-19 04:57:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:14,959 INFO L225 Difference]: With dead ends: 472 [2018-09-19 04:57:14,959 INFO L226 Difference]: Without dead ends: 231 [2018-09-19 04:57:14,964 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-19 04:57:14,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-09-19 04:57:15,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-09-19 04:57:15,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-09-19 04:57:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2018-09-19 04:57:15,035 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 13 [2018-09-19 04:57:15,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:15,035 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2018-09-19 04:57:15,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-19 04:57:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2018-09-19 04:57:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-19 04:57:15,039 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:15,039 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:15,041 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:15,042 INFO L82 PathProgramCache]: Analyzing trace with hash 52853054, now seen corresponding path program 1 times [2018-09-19 04:57:15,042 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:15,042 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-19 04:57:15,043 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [1220], [1223], [1224], [1225] [2018-09-19 04:57:15,048 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:15,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:15,791 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:15,791 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 42 variables. [2018-09-19 04:57:15,835 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:16,279 INFO L232 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 97.65% of their original sizes. [2018-09-19 04:57:16,279 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:16,631 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:16,631 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:16,632 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 04:57:16,632 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:16,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 04:57:16,633 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 04:57:16,633 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-19 04:57:16,634 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand 7 states. [2018-09-19 04:57:17,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:17,660 INFO L93 Difference]: Finished difference Result 507 states and 869 transitions. [2018-09-19 04:57:17,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-19 04:57:17,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-09-19 04:57:17,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:17,665 INFO L225 Difference]: With dead ends: 507 [2018-09-19 04:57:17,665 INFO L226 Difference]: Without dead ends: 279 [2018-09-19 04:57:17,668 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-09-19 04:57:17,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-09-19 04:57:17,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 263. [2018-09-19 04:57:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-09-19 04:57:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 448 transitions. [2018-09-19 04:57:17,691 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 448 transitions. Word has length 19 [2018-09-19 04:57:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:17,692 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 448 transitions. [2018-09-19 04:57:17,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 04:57:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 448 transitions. [2018-09-19 04:57:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-19 04:57:17,693 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:17,693 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:57:17,693 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:17,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1829095765, now seen corresponding path program 1 times [2018-09-19 04:57:17,694 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:17,694 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-09-19 04:57:17,694 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [116], [119], [135], [151], [166], [169], [172], [175], [1220], [1223], [1224], [1225] [2018-09-19 04:57:17,696 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:17,696 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:18,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:18,462 INFO L272 AbstractInterpreter]: Visited 21 different actions 24 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 45 variables. [2018-09-19 04:57:18,467 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:18,942 INFO L232 lantSequenceWeakener]: Weakened 21 states. On average, predicates are now at 96.74% of their original sizes. [2018-09-19 04:57:18,942 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:19,125 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:19,126 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:19,126 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 04:57:19,126 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:19,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 04:57:19,128 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 04:57:19,128 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-09-19 04:57:19,128 INFO L87 Difference]: Start difference. First operand 263 states and 448 transitions. Second operand 12 states. [2018-09-19 04:57:21,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:21,522 INFO L93 Difference]: Finished difference Result 520 states and 889 transitions. [2018-09-19 04:57:21,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-19 04:57:21,524 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-09-19 04:57:21,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:21,526 INFO L225 Difference]: With dead ends: 520 [2018-09-19 04:57:21,526 INFO L226 Difference]: Without dead ends: 263 [2018-09-19 04:57:21,528 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-09-19 04:57:21,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-09-19 04:57:21,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2018-09-19 04:57:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-09-19 04:57:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 436 transitions. [2018-09-19 04:57:21,544 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 436 transitions. Word has length 23 [2018-09-19 04:57:21,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:21,544 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 436 transitions. [2018-09-19 04:57:21,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 04:57:21,544 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 436 transitions. [2018-09-19 04:57:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-19 04:57:21,545 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:21,546 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 04:57:21,546 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:21,546 INFO L82 PathProgramCache]: Analyzing trace with hash -939444677, now seen corresponding path program 1 times [2018-09-19 04:57:21,546 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:21,546 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-09-19 04:57:21,547 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [116], [119], [135], [151], [166], [182], [198], [213], [216], [219], [222], [1220], [1223], [1224], [1225] [2018-09-19 04:57:21,550 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:21,550 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:22,385 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:57:22,386 INFO L272 AbstractInterpreter]: Visited 24 different actions 27 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 48 variables. [2018-09-19 04:57:22,421 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:57:22,852 INFO L232 lantSequenceWeakener]: Weakened 24 states. On average, predicates are now at 93.44% of their original sizes. [2018-09-19 04:57:22,852 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:57:23,399 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:57:23,399 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:57:23,400 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-19 04:57:23,400 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:57:23,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-19 04:57:23,401 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-19 04:57:23,401 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-09-19 04:57:23,401 INFO L87 Difference]: Start difference. First operand 261 states and 436 transitions. Second operand 16 states. [2018-09-19 04:57:30,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:57:30,784 INFO L93 Difference]: Finished difference Result 750 states and 1261 transitions. [2018-09-19 04:57:30,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 04:57:30,785 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2018-09-19 04:57:30,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:57:30,788 INFO L225 Difference]: With dead ends: 750 [2018-09-19 04:57:30,788 INFO L226 Difference]: Without dead ends: 490 [2018-09-19 04:57:30,789 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2018-09-19 04:57:30,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-09-19 04:57:30,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 457. [2018-09-19 04:57:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-09-19 04:57:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 717 transitions. [2018-09-19 04:57:30,814 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 717 transitions. Word has length 26 [2018-09-19 04:57:30,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:57:30,814 INFO L480 AbstractCegarLoop]: Abstraction has 457 states and 717 transitions. [2018-09-19 04:57:30,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-19 04:57:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 717 transitions. [2018-09-19 04:57:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-19 04:57:30,816 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:57:30,816 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, 1, 1] [2018-09-19 04:57:30,817 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:57:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2111742031, now seen corresponding path program 1 times [2018-09-19 04:57:30,817 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:57:30,817 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 34 with the following transitions: [2018-09-19 04:57:30,818 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [116], [119], [135], [151], [166], [182], [198], [213], [228], [231], [234], [239], [1220], [1223], [1224], [1225] [2018-09-19 04:57:30,820 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:57:30,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:57:31,661 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:57:32,410 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 04:57:32,410 INFO L272 AbstractInterpreter]: Visited 30 different actions 52 times. Merged at 18 different actions 19 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 50 variables. [2018-09-19 04:57:32,451 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 04:57:32,486 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 04:57:32,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:57:32 BoogieIcfgContainer [2018-09-19 04:57:32,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 04:57:32,496 INFO L168 Benchmark]: Toolchain (without parser) took 26220.10 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 04:57:32,499 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-19 04:57:32,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1304.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2018-09-19 04:57:32,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 315.12 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 810.0 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. [2018-09-19 04:57:32,505 INFO L168 Benchmark]: Boogie Preprocessor took 186.23 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2018-09-19 04:57:32,506 INFO L168 Benchmark]: RCFGBuilder took 4471.09 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 202.0 MB). Peak memory consumption was 202.0 MB. Max. memory is 7.1 GB. [2018-09-19 04:57:32,506 INFO L168 Benchmark]: TraceAbstraction took 19936.04 ms. Allocated memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: 890.2 MB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-19 04:57:32,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1304.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 315.12 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 810.0 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 186.23 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4471.09 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 202.0 MB). Peak memory consumption was 202.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19936.04 ms. Allocated memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: 890.2 MB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1254]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L5] int m_init = 1; [L6] int m_disconnect = 2; [L7] int m_getValueX = 3; [L8] int m_getValueY = 4; [L9] int m_Accelerometer = 5; [L10] int m_update = 6; [L11] int m_dataReceived = 7; [L12] int m_connect_1 = 8; [L13] int m_connect_2 = 9; [L18] int q = 0; [L19] int method_id; [L22] int this_m_conn = 0; [L23] int this_m_sensitivity = 100; [L24] int this_m_samples = 200; [L25] int this_m_delta = 1; [L26] int this_m_accX = 0; [L27] int this_m_sensorInfo = 0; [L28] int this_m_conn_data_listener = 0; [L29] int this_m_accY = 0; [L32] COND TRUE 1 [L35] int P1=__VERIFIER_nondet_int(); [L36] int P2=__VERIFIER_nondet_int(); [L37] int P3=__VERIFIER_nondet_int(); [L38] _Bool P4=__VERIFIER_nondet_int(); [L39] _Bool P5=__VERIFIER_nondet_int(); [L40] _Bool P6=__VERIFIER_nondet_int(); [L44] COND TRUE q == 0 [L45] COND TRUE __VERIFIER_nondet_int() [L47] COND TRUE 1 [L49] method_id = 5 [L51] COND FALSE !(0) [L55] q = 2 [L57] this_m_conn=0 [L57] this_m_samples=200 [L57] this_m_sensitivity=100 [L57] this_m_accX=0 [L57] this_m_accY=0 [L57] this_m_delta=1 [L57] this_m_sensorInfo=0 [L57] this_m_conn_data_listener=0 [L32] COND TRUE 1 [L35] int P1=__VERIFIER_nondet_int(); [L36] int P2=__VERIFIER_nondet_int(); [L37] int P3=__VERIFIER_nondet_int(); [L38] _Bool P4=__VERIFIER_nondet_int(); [L39] _Bool P5=__VERIFIER_nondet_int(); [L40] _Bool P6=__VERIFIER_nondet_int(); [L44] COND FALSE !(q == 0) [L64] COND FALSE !(q == 1) [L148] COND TRUE q == 2 [L149] COND FALSE !(__VERIFIER_nondet_int()) [L165] COND FALSE !(__VERIFIER_nondet_int()) [L181] COND FALSE !(__VERIFIER_nondet_int()) [L197] COND FALSE !(__VERIFIER_nondet_int()) [L213] COND FALSE !(__VERIFIER_nondet_int()) [L229] COND FALSE !(__VERIFIER_nondet_int()) [L245] COND FALSE !(__VERIFIER_nondet_int()) [L261] COND TRUE __VERIFIER_nondet_int() [L263] COND TRUE P1&& ((P5 && (this_m_conn == 0)) || 0) [L265] method_id = 8 [L267] COND FALSE !(0) [L271] q = 3 [L273] this_m_conn=1 [L273] this_m_samples=this_m_samples [L273] this_m_sensitivity=this_m_sensitivity [L273] this_m_accX=this_m_accX [L273] this_m_accY=this_m_accY [L273] this_m_delta=this_m_delta [L273] this_m_sensorInfo=this_m_sensorInfo [L273] this_m_conn_data_listener=1 [L32] COND TRUE 1 [L35] int P1=__VERIFIER_nondet_int(); [L36] int P2=__VERIFIER_nondet_int(); [L37] int P3=__VERIFIER_nondet_int(); [L38] _Bool P4=__VERIFIER_nondet_int(); [L39] _Bool P5=__VERIFIER_nondet_int(); [L40] _Bool P6=__VERIFIER_nondet_int(); [L44] COND FALSE !(q == 0) [L64] COND TRUE q == 1 [L65] COND TRUE __VERIFIER_nondet_int() [L67] COND TRUE 1 [L69] method_id = 2 [L71] COND TRUE (this_m_conn != 0) [L1254] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 242 locations, 1 error locations. UNKNOWN Result, 19.8s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 11.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1666 SDtfs, 918 SDslu, 8938 SDs, 0 SdLazy, 3630 SolverSat, 337 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 101 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=457occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.8s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9402938669924732 AbsIntWeakeningRatio, 1.974025974025974 AbsIntAvgWeakeningVarsNumRemoved, 1420.4285714285713 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_accelerometer_1_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_04-57-32-536.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_accelerometer_1_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_04-57-32-536.csv Received shutdown request...