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/eca-rers2012/Problem11_label24_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:10:48,048 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:10:48,050 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:10:48,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:10:48,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:10:48,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:10:48,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:10:48,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:10:48,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:10:48,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:10:48,071 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:10:48,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:10:48,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:10:48,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:10:48,075 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:10:48,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:10:48,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:10:48,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:10:48,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:10:48,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:10:48,093 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:10:48,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:10:48,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:10:48,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:10:48,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:10:48,104 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:10:48,108 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:10:48,109 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:10:48,109 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:10:48,114 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:10:48,115 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:10:48,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:10:48,116 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:10:48,116 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:10:48,118 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:10:48,119 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:10:48,120 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 [2018-09-19 10:10:48,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:10:48,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:10:48,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:10:48,151 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:10:48,151 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:10:48,152 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:10:48,152 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:10:48,152 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:10:48,152 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:10:48,152 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:10:48,153 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:10:48,153 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:10:48,153 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:10:48,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:10:48,154 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:10:48,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:10:48,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:10:48,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:10:48,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:10:48,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:10:48,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:10:48,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:10:48,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:10:48,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:10:48,157 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:10:48,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:10:48,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:10:48,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:10:48,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:10:48,158 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:10:48,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:10:48,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:10:48,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:10:48,159 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:10:48,159 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:10:48,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:10:48,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:10:48,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:10:48,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:10:48,249 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:10:48,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label24_true-unreach-call.c [2018-09-19 10:10:48,668 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a16635f/09b8e7d4be0c4ec9a195d1db29f265e3/FLAG17eaf6652 [2018-09-19 10:10:49,044 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:10:49,045 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label24_true-unreach-call.c [2018-09-19 10:10:49,066 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a16635f/09b8e7d4be0c4ec9a195d1db29f265e3/FLAG17eaf6652 [2018-09-19 10:10:49,084 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a16635f/09b8e7d4be0c4ec9a195d1db29f265e3 [2018-09-19 10:10:49,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:10:49,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:10:49,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:10:49,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:10:49,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:10:49,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:10:49" (1/1) ... [2018-09-19 10:10:49,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17281938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:49, skipping insertion in model container [2018-09-19 10:10:49,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:10:49" (1/1) ... [2018-09-19 10:10:49,128 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:10:49,823 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:10:49,848 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:10:50,039 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:10:50,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50 WrapperNode [2018-09-19 10:10:50,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:10:50,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:10:50,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:10:50,136 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:10:50,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:10:50,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:10:50,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:10:50,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:10:50,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (1/1) ... [2018-09-19 10:10:50,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:10:50,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:10:50,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:10:50,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:10:50,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (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 10:10:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:10:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:10:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:10:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:10:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:10:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:10:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:10:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:10:55,530 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:10:55,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:10:55 BoogieIcfgContainer [2018-09-19 10:10:55,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:10:55,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:10:55,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:10:55,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:10:55,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:10:49" (1/3) ... [2018-09-19 10:10:55,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a02bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:10:55, skipping insertion in model container [2018-09-19 10:10:55,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:50" (2/3) ... [2018-09-19 10:10:55,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a02bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:10:55, skipping insertion in model container [2018-09-19 10:10:55,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:10:55" (3/3) ... [2018-09-19 10:10:55,541 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label24_true-unreach-call.c [2018-09-19 10:10:55,553 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:10:55,563 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:10:55,623 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:10:55,624 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:10:55,624 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:10:55,624 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:10:55,624 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:10:55,624 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:10:55,625 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:10:55,625 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:10:55,625 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:10:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-19 10:10:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-19 10:10:55,681 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:10:55,682 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:10:55,684 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:10:55,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1684659980, now seen corresponding path program 1 times [2018-09-19 10:10:55,692 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:10:55,693 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-09-19 10:10:55,696 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-19 10:10:55,774 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:10:55,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:10:58,694 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:10:58,696 INFO L272 AbstractInterpreter]: Visited 57 different actions 57 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-19 10:10:58,713 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:10:59,845 INFO L232 lantSequenceWeakener]: Weakened 56 states. On average, predicates are now at 75.6% of their original sizes. [2018-09-19 10:10:59,846 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:11:00,185 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:11:00,188 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:11:00,188 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:11:00,188 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:11:00,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:11:00,202 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:11:00,203 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:11:00,206 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-19 10:11:07,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:11:07,269 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-19 10:11:07,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:11:07,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-09-19 10:11:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:11:07,294 INFO L225 Difference]: With dead ends: 776 [2018-09-19 10:11:07,294 INFO L226 Difference]: Without dead ends: 481 [2018-09-19 10:11:07,303 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:11:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-19 10:11:07,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-19 10:11:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-19 10:11:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-19 10:11:07,389 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 58 [2018-09-19 10:11:07,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:11:07,389 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-19 10:11:07,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:11:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-19 10:11:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-09-19 10:11:07,399 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:11:07,399 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:07,400 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:11:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1415755325, now seen corresponding path program 1 times [2018-09-19 10:11:07,400 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:11:07,401 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-09-19 10:11:07,401 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:11:07,415 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:11:07,415 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:11:14,692 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:11:27,454 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:11:27,454 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:11:27,464 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:11:29,471 INFO L232 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 73.94% of their original sizes. [2018-09-19 10:11:29,472 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:11:30,438 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:11:30,439 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:11:30,439 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:11:30,439 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:11:30,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:11:30,441 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:11:30,441 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:11:30,442 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-19 10:11:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:11:45,980 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-19 10:11:45,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:11:45,983 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 175 [2018-09-19 10:11:45,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:11:45,990 INFO L225 Difference]: With dead ends: 959 [2018-09-19 10:11:45,990 INFO L226 Difference]: Without dead ends: 676 [2018-09-19 10:11:45,994 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 10:11:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-19 10:11:46,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-19 10:11:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-19 10:11:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-19 10:11:46,046 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 175 [2018-09-19 10:11:46,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:11:46,047 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-19 10:11:46,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:11:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-19 10:11:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-09-19 10:11:46,058 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:11:46,058 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:46,059 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:11:46,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1882969289, now seen corresponding path program 1 times [2018-09-19 10:11:46,059 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:11:46,059 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-09-19 10:11:46,060 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:11:46,066 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:11:46,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:11:57,969 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:12:04,272 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:12:04,273 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:12:04,277 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:12:05,510 INFO L232 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 73.89% of their original sizes. [2018-09-19 10:12:05,510 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:12:05,984 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:12:05,985 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:12:05,985 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:12:05,985 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:12:05,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:12:05,986 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:12:05,986 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:12:05,987 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 11 states. [2018-09-19 10:12:13,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:12:13,363 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-19 10:12:13,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:12:13,365 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2018-09-19 10:12:13,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:12:13,374 INFO L225 Difference]: With dead ends: 1153 [2018-09-19 10:12:13,374 INFO L226 Difference]: Without dead ends: 870 [2018-09-19 10:12:13,376 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 192 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 10:12:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-19 10:12:13,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-19 10:12:13,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-19 10:12:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-19 10:12:13,412 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 185 [2018-09-19 10:12:13,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:12:13,413 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-19 10:12:13,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:12:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-19 10:12:13,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-19 10:12:13,417 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:12:13,417 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:13,418 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:12:13,418 INFO L82 PathProgramCache]: Analyzing trace with hash 158269423, now seen corresponding path program 1 times [2018-09-19 10:12:13,418 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:12:13,418 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-09-19 10:12:13,419 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:12:13,425 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:12:13,425 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:12:26,649 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:12:33,507 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:12:33,507 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:12:33,514 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:12:34,753 INFO L232 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 73.93% of their original sizes. [2018-09-19 10:12:34,753 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:12:35,313 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:12:35,314 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:12:35,314 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:12:35,314 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:12:35,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:12:35,315 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:12:35,315 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:12:35,315 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 13 states. [2018-09-19 10:12:59,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:12:59,323 INFO L93 Difference]: Finished difference Result 2024 states and 3287 transitions. [2018-09-19 10:12:59,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 10:12:59,325 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 190 [2018-09-19 10:12:59,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:12:59,341 INFO L225 Difference]: With dead ends: 2024 [2018-09-19 10:12:59,341 INFO L226 Difference]: Without dead ends: 1741 [2018-09-19 10:12:59,344 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2018-09-19 10:12:59,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2018-09-19 10:12:59,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1636. [2018-09-19 10:12:59,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-09-19 10:12:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2042 transitions. [2018-09-19 10:12:59,405 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2042 transitions. Word has length 190 [2018-09-19 10:12:59,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:12:59,406 INFO L480 AbstractCegarLoop]: Abstraction has 1636 states and 2042 transitions. [2018-09-19 10:12:59,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:12:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2042 transitions. [2018-09-19 10:12:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-09-19 10:12:59,410 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:12:59,410 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:59,410 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:12:59,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1946138246, now seen corresponding path program 1 times [2018-09-19 10:12:59,411 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:12:59,411 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-09-19 10:12:59,412 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:12:59,417 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:12:59,417 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:13:22,855 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:13:22,855 INFO L272 AbstractInterpreter]: Visited 155 different actions 452 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:13:22,864 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:13:24,233 INFO L232 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 73.81% of their original sizes. [2018-09-19 10:13:24,233 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:13:24,720 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:13:24,720 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:13:24,721 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:13:24,721 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:13:24,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:13:24,721 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:13:24,722 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:13:24,722 INFO L87 Difference]: Start difference. First operand 1636 states and 2042 transitions. Second operand 11 states. [2018-09-19 10:13:38,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:13:38,772 INFO L93 Difference]: Finished difference Result 3341 states and 4418 transitions. [2018-09-19 10:13:38,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 10:13:38,776 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2018-09-19 10:13:38,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:13:38,787 INFO L225 Difference]: With dead ends: 3341 [2018-09-19 10:13:38,788 INFO L226 Difference]: Without dead ends: 2095 [2018-09-19 10:13:38,792 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2018-09-19 10:13:38,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-09-19 10:13:38,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2017. [2018-09-19 10:13:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2017 states. [2018-09-19 10:13:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2472 transitions. [2018-09-19 10:13:38,863 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2472 transitions. Word has length 206 [2018-09-19 10:13:38,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:13:38,863 INFO L480 AbstractCegarLoop]: Abstraction has 2017 states and 2472 transitions. [2018-09-19 10:13:38,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:13:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2472 transitions. [2018-09-19 10:13:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-09-19 10:13:38,869 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:13:38,869 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:13:38,869 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:13:38,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1093734570, now seen corresponding path program 1 times [2018-09-19 10:13:38,870 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:13:38,870 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 257 with the following transitions: [2018-09-19 10:13:38,871 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:13:38,874 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:13:38,875 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:13:44,284 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:14:15,628 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:14:15,629 INFO L272 AbstractInterpreter]: Visited 125 different actions 729 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:14:15,636 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:14:17,268 INFO L232 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 73.69% of their original sizes. [2018-09-19 10:14:17,268 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:14:17,983 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:14:17,984 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:14:17,984 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:14:17,984 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:14:17,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:14:17,984 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:14:17,985 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:14:17,985 INFO L87 Difference]: Start difference. First operand 2017 states and 2472 transitions. Second operand 14 states. [2018-09-19 10:14:37,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:14:37,253 INFO L93 Difference]: Finished difference Result 3662 states and 4785 transitions. [2018-09-19 10:14:37,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 10:14:37,253 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 256 [2018-09-19 10:14:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:14:37,265 INFO L225 Difference]: With dead ends: 3662 [2018-09-19 10:14:37,265 INFO L226 Difference]: Without dead ends: 2608 [2018-09-19 10:14:37,270 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2018-09-19 10:14:37,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2018-09-19 10:14:37,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2596. [2018-09-19 10:14:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2018-09-19 10:14:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3144 transitions. [2018-09-19 10:14:37,369 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3144 transitions. Word has length 256 [2018-09-19 10:14:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:14:37,369 INFO L480 AbstractCegarLoop]: Abstraction has 2596 states and 3144 transitions. [2018-09-19 10:14:37,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:14:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3144 transitions. [2018-09-19 10:14:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-09-19 10:14:37,375 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:14:37,376 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:14:37,376 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:14:37,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1786114402, now seen corresponding path program 1 times [2018-09-19 10:14:37,377 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:14:37,377 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-09-19 10:14:37,377 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:14:37,381 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:14:37,381 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:14:42,777 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:15:13,043 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:15:13,044 INFO L272 AbstractInterpreter]: Visited 125 different actions 729 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:15:13,048 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 10:15:14,647 INFO L232 lantSequenceWeakener]: Weakened 258 states. On average, predicates are now at 73.68% of their original sizes. [2018-09-19 10:15:14,647 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:15:14,666 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:15:14,672 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:15:14,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:15:14 BoogieIcfgContainer [2018-09-19 10:15:14,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:15:14,673 INFO L168 Benchmark]: Toolchain (without parser) took 265575.50 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -653.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-19 10:15:14,675 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-09-19 10:15:14,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1033.04 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-19 10:15:14,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-19 10:15:14,678 INFO L168 Benchmark]: Boogie Preprocessor took 415.47 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -900.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-19 10:15:14,679 INFO L168 Benchmark]: RCFGBuilder took 4783.04 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: 190.0 MB). Peak memory consumption was 190.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:15:14,680 INFO L168 Benchmark]: TraceAbstraction took 259139.91 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-19 10:15:14,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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. * CACSL2BoogieTranslator took 1033.04 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 197.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 415.47 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -900.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4783.04 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: 190.0 MB). Peak memory consumption was 190.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259139.91 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 159]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 159). Cancelled while BasicCegarLoop was analyzing trace of length 261 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 259.0s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 87.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1751 SDtfs, 6927 SDslu, 3129 SDs, 0 SdLazy, 20330 SolverSat, 1469 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 78.3s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1117 GetRequests, 1010 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2596occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 157.2s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9952398179911413 AbsIntWeakeningRatio, 0.12169312169312169 AbsIntAvgWeakeningVarsNumRemoved, 1228.8820861678005 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 210 StatesRemovedByMinimization, 6 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: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label24_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-15-14-700.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label24_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-15-14-700.csv Completed graceful shutdown