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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 23:38:58,757 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 23:38:58,760 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 23:38:58,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 23:38:58,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 23:38:58,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 23:38:58,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 23:38:58,779 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 23:38:58,781 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 23:38:58,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 23:38:58,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 23:38:58,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 23:38:58,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 23:38:58,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 23:38:58,786 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 23:38:58,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 23:38:58,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 23:38:58,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 23:38:58,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 23:38:58,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 23:38:58,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 23:38:58,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 23:38:58,806 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 23:38:58,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 23:38:58,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 23:38:58,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 23:38:58,813 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 23:38:58,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 23:38:58,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 23:38:58,818 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 23:38:58,818 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 23:38:58,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 23:38:58,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 23:38:58,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 23:38:58,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 23:38:58,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 23:38:58,827 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-11 23:38:58,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 23:38:58,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 23:38:58,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 23:38:58,848 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 23:38:58,848 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 23:38:58,849 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 23:38:58,849 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-11 23:38:58,849 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 23:38:58,849 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-11 23:38:58,849 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 23:38:58,850 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 23:38:58,850 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 23:38:58,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 23:38:58,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 23:38:58,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 23:38:58,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 23:38:58,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 23:38:58,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 23:38:58,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 23:38:58,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 23:38:58,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 23:38:58,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 23:38:58,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 23:38:58,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 23:38:58,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 23:38:58,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 23:38:58,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 23:38:58,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 23:38:58,854 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 23:38:58,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 23:38:58,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 23:38:58,855 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 23:38:58,855 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 23:38:58,855 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 23:38:58,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 23:38:58,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 23:38:58,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 23:38:58,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 23:38:58,948 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 23:38:58,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-09-11 23:38:59,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9eef6eaa/0d8ba825066f4585bb39fd58116f9f1f/FLAGe63f8634f [2018-09-11 23:38:59,744 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 23:38:59,745 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-09-11 23:38:59,794 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9eef6eaa/0d8ba825066f4585bb39fd58116f9f1f/FLAGe63f8634f [2018-09-11 23:38:59,819 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9eef6eaa/0d8ba825066f4585bb39fd58116f9f1f [2018-09-11 23:38:59,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 23:38:59,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 23:38:59,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 23:38:59,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 23:38:59,845 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 23:38:59,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:38:59" (1/1) ... [2018-09-11 23:38:59,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc9d402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:38:59, skipping insertion in model container [2018-09-11 23:38:59,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:38:59" (1/1) ... [2018-09-11 23:39:00,222 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 23:39:00,836 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 23:39:00,860 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 23:39:01,134 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 23:39:01,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01 WrapperNode [2018-09-11 23:39:01,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 23:39:01,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 23:39:01,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 23:39:01,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 23:39:01,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 23:39:01,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 23:39:01,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 23:39:01,554 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 23:39:01,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (1/1) ... [2018-09-11 23:39:01,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 23:39:01,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 23:39:01,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 23:39:01,692 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 23:39:01,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (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 23:39:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 23:39:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 23:39:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 23:39:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 23:39:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 23:39:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 23:39:06,336 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 23:39:06,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:39:06 BoogieIcfgContainer [2018-09-11 23:39:06,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 23:39:06,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 23:39:06,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 23:39:06,344 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 23:39:06,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 11:38:59" (1/3) ... [2018-09-11 23:39:06,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5c6d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 11:39:06, skipping insertion in model container [2018-09-11 23:39:06,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:39:01" (2/3) ... [2018-09-11 23:39:06,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5c6d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 11:39:06, skipping insertion in model container [2018-09-11 23:39:06,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:39:06" (3/3) ... [2018-09-11 23:39:06,352 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-09-11 23:39:06,364 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 23:39:06,374 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 23:39:06,454 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 23:39:06,455 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 23:39:06,455 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 23:39:06,456 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 23:39:06,456 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 23:39:06,456 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 23:39:06,456 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 23:39:06,456 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 23:39:06,456 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 23:39:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2018-09-11 23:39:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-11 23:39:06,494 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 23:39:06,495 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 23:39:06,497 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 23:39:06,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1668338331, now seen corresponding path program 1 times [2018-09-11 23:39:06,505 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 23:39:06,506 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-11 23:39:06,509 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [1220], [1223], [1224], [1225] [2018-09-11 23:39:06,567 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 23:39:06,567 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 23:39:07,357 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 23:39:07,358 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-11 23:39:07,375 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 23:39:07,791 INFO L232 lantSequenceWeakener]: Weakened 11 states. On average, predicates are now at 98.78% of their original sizes. [2018-09-11 23:39:07,791 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 23:39:07,873 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 23:39:07,874 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 23:39:07,875 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-11 23:39:07,875 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 23:39:07,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-11 23:39:07,888 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-11 23:39:07,889 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-11 23:39:07,891 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 4 states. [2018-09-11 23:39:08,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 23:39:08,828 INFO L93 Difference]: Finished difference Result 472 states and 922 transitions. [2018-09-11 23:39:08,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-11 23:39:08,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-09-11 23:39:08,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 23:39:08,845 INFO L225 Difference]: With dead ends: 472 [2018-09-11 23:39:08,845 INFO L226 Difference]: Without dead ends: 231 [2018-09-11 23:39:08,850 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 [2018-09-11 23:39:08,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-09-11 23:39:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-09-11 23:39:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-09-11 23:39:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2018-09-11 23:39:08,914 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 13 [2018-09-11 23:39:08,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 23:39:08,914 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2018-09-11 23:39:08,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-11 23:39:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2018-09-11 23:39:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-11 23:39:08,916 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 23:39:08,916 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 23:39:08,916 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 23:39:08,917 INFO L82 PathProgramCache]: Analyzing trace with hash 52853054, now seen corresponding path program 1 times [2018-09-11 23:39:08,917 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 23:39:08,917 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-11 23:39:08,918 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [1220], [1223], [1224], [1225] [2018-09-11 23:39:08,920 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 23:39:08,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 23:39:10,881 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 23:39:10,881 INFO L272 AbstractInterpreter]: Visited 17 different actions 20 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-11 23:39:10,920 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 23:39:11,489 INFO L232 lantSequenceWeakener]: Weakened 17 states. On average, predicates are now at 97.37% of their original sizes. [2018-09-11 23:39:11,489 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 23:39:11,662 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 23:39:11,662 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 23:39:11,662 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 23:39:11,663 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 23:39:11,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 23:39:11,664 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 23:39:11,665 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-09-11 23:39:11,665 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand 9 states. [2018-09-11 23:39:13,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 23:39:13,066 INFO L93 Difference]: Finished difference Result 525 states and 892 transitions. [2018-09-11 23:39:13,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-11 23:39:13,066 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-09-11 23:39:13,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 23:39:13,070 INFO L225 Difference]: With dead ends: 525 [2018-09-11 23:39:13,070 INFO L226 Difference]: Without dead ends: 293 [2018-09-11 23:39:13,073 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-09-11 23:39:13,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-09-11 23:39:13,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 272. [2018-09-11 23:39:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-09-11 23:39:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 463 transitions. [2018-09-11 23:39:13,096 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 463 transitions. Word has length 19 [2018-09-11 23:39:13,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 23:39:13,096 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 463 transitions. [2018-09-11 23:39:13,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 23:39:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 463 transitions. [2018-09-11 23:39:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-11 23:39:13,097 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 23:39:13,097 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 23:39:13,098 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 23:39:13,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1649861303, now seen corresponding path program 1 times [2018-09-11 23:39:13,098 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 23:39:13,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2018-09-11 23:39:13,099 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [54], [57], [60], [63], [1220], [1223], [1224], [1225] [2018-09-11 23:39:13,100 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 23:39:13,101 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 23:39:14,537 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-11 23:39:14,537 INFO L272 AbstractInterpreter]: Visited 19 different actions 22 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 43 variables. [2018-09-11 23:39:14,545 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-11 23:39:14,567 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-11 23:39:14,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 11:39:14 BoogieIcfgContainer [2018-09-11 23:39:14,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 23:39:14,569 INFO L168 Benchmark]: Toolchain (without parser) took 14736.69 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 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-11 23:39:14,571 INFO L168 Benchmark]: CDTParser took 0.29 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 23:39:14,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1393.71 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: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. [2018-09-11 23:39:14,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 323.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 792.7 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. [2018-09-11 23:39:14,573 INFO L168 Benchmark]: Boogie Preprocessor took 137.12 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2018-09-11 23:39:14,574 INFO L168 Benchmark]: RCFGBuilder took 4645.67 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: 213.6 MB). Peak memory consumption was 213.6 MB. Max. memory is 7.1 GB. [2018-09-11 23:39:14,575 INFO L168 Benchmark]: TraceAbstraction took 8229.27 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 858.3 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -811.7 MB). Peak memory consumption was 991.9 MB. Max. memory is 7.1 GB. [2018-09-11 23:39:14,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1393.71 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: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 323.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 792.7 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 137.12 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4645.67 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: 213.6 MB). Peak memory consumption was 213.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8229.27 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 858.3 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -811.7 MB). Peak memory consumption was 991.9 MB. 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 TRUE q == 1 [L65] COND FALSE !(__VERIFIER_nondet_int()) [L81] COND TRUE __VERIFIER_nondet_int() [L83] COND TRUE 1 [L85] method_id = 3 [L87] COND TRUE (this_m_delta != 0) [L1254] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 242 locations, 1 error locations. UNKNOWN Result, 8.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 787 SDtfs, 207 SDslu, 2649 SDs, 0 SdLazy, 504 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9266550522648083 AbsIntWeakeningRatio, 2.2666666666666666 AbsIntAvgWeakeningVarsNumRemoved, 318.03333333333336 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 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_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_23-39-14-607.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_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_23-39-14-607.csv Received shutdown request...