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_label19_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:10:25,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:10:25,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:10:25,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:10:25,564 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:10:25,565 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:10:25,566 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:10:25,569 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:10:25,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:10:25,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:10:25,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:10:25,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:10:25,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:10:25,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:10:25,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:10:25,585 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:10:25,587 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:10:25,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:10:25,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:10:25,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:10:25,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:10:25,601 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:10:25,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:10:25,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:10:25,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:10:25,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:10:25,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:10:25,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:10:25,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:10:25,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:10:25,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:10:25,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 10:10:25,619 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 10:10:25,642 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:10:25,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:10:25,643 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:10:25,644 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:10:25,644 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:10:25,644 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:10:25,644 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:10:25,645 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:10:25,645 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:10:25,645 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:10:25,645 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:10:25,645 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:10:25,645 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:10:25,646 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:10:25,646 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:10:25,647 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:10:25,647 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:10:25,647 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:10:25,647 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:10:25,647 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:10:25,648 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:10:25,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:10:25,648 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:10:25,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:10:25,648 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:10:25,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:10:25,649 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:10:25,649 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:10:25,649 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:10:25,649 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:10:25,650 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:10:25,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:10:25,650 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:10:25,650 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:10:25,650 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:10:25,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:10:25,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:10:25,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:10:25,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:10:25,721 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:10:25,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label19_true-unreach-call.c [2018-09-19 10:10:26,080 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192bc1cc6/fcb666c0ec5c41c28dc7620ab6731ce6/FLAG69f33873f [2018-09-19 10:10:26,399 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:10:26,403 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label19_true-unreach-call.c [2018-09-19 10:10:26,426 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192bc1cc6/fcb666c0ec5c41c28dc7620ab6731ce6/FLAG69f33873f [2018-09-19 10:10:26,448 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192bc1cc6/fcb666c0ec5c41c28dc7620ab6731ce6 [2018-09-19 10:10:26,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:10:26,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:10:26,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:10:26,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:10:26,478 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:10:26,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:10:26" (1/1) ... [2018-09-19 10:10:26,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bedad32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:26, skipping insertion in model container [2018-09-19 10:10:26,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:10:26" (1/1) ... [2018-09-19 10:10:26,496 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:10:27,169 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:10:27,187 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:10:27,375 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:10:27,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27 WrapperNode [2018-09-19 10:10:27,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:10:27,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:10:27,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:10:27,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:10:27,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:27,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:27,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:10:27,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:10:27,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:10:27,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:10:27,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:27,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:27,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:27,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:28,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:28,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:28,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (1/1) ... [2018-09-19 10:10:28,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:10:28,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:10:28,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:10:28,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:10:28,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (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 10:10:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:10:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:10:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:10:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:10:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:10:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:10:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:10:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:10:32,633 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:10:32,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:10:32 BoogieIcfgContainer [2018-09-19 10:10:32,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:10:32,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:10:32,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:10:32,638 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:10:32,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:10:26" (1/3) ... [2018-09-19 10:10:32,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ed6b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:10:32, skipping insertion in model container [2018-09-19 10:10:32,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:10:27" (2/3) ... [2018-09-19 10:10:32,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ed6b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:10:32, skipping insertion in model container [2018-09-19 10:10:32,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:10:32" (3/3) ... [2018-09-19 10:10:32,643 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label19_true-unreach-call.c [2018-09-19 10:10:32,652 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:10:32,660 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:10:32,715 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:10:32,716 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:10:32,718 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:10:32,718 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:10:32,718 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:10:32,718 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:10:32,719 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:10:32,719 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:10:32,719 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:10:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-19 10:10:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-19 10:10:32,768 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:10:32,769 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, 1, 1, 1, 1, 1] [2018-09-19 10:10:32,770 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:10:32,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1747963281, now seen corresponding path program 1 times [2018-09-19 10:10:32,778 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:10:32,779 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 64 with the following transitions: [2018-09-19 10:10:32,782 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], [369], [377], [385], [393], [401], [405], [407], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-19 10:10:32,851 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:10:32,852 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:10:35,421 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:10:35,423 INFO L272 AbstractInterpreter]: Visited 62 different actions 62 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-19 10:10:35,439 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:10:36,490 INFO L232 lantSequenceWeakener]: Weakened 61 states. On average, predicates are now at 75.71% of their original sizes. [2018-09-19 10:10:36,490 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:10:36,837 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:10:36,841 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:10:36,842 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:10:36,842 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:10:36,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:10:36,855 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:10:36,856 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:10:36,858 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-19 10:10:44,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:10:44,323 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-19 10:10:44,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:10:44,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-09-19 10:10:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:10:44,348 INFO L225 Difference]: With dead ends: 776 [2018-09-19 10:10:44,349 INFO L226 Difference]: Without dead ends: 481 [2018-09-19 10:10:44,356 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 62 GetRequests, 58 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 10:10:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-19 10:10:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-19 10:10:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-19 10:10:44,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-19 10:10:44,444 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 63 [2018-09-19 10:10:44,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:10:44,444 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-19 10:10:44,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:10:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-19 10:10:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-19 10:10:44,454 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:10:44,455 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, 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] [2018-09-19 10:10:44,455 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:10:44,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1497265463, now seen corresponding path program 1 times [2018-09-19 10:10:44,456 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:10:44,456 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-09-19 10:10:44,457 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], [369], [377], [385], [393], [401], [405], [407], [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 10:10:44,467 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:10:44,467 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:10:51,610 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:11:05,006 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:11:05,007 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 10:11:05,016 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:11:07,101 INFO L232 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 74.02% of their original sizes. [2018-09-19 10:11:07,102 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:11:08,049 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:11:08,049 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:11:08,050 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:11:08,050 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:11:08,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:11:08,052 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:11:08,052 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:11:08,052 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-19 10:11:16,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:11:16,623 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-19 10:11:16,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:11:16,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2018-09-19 10:11:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:11:16,633 INFO L225 Difference]: With dead ends: 959 [2018-09-19 10:11:16,633 INFO L226 Difference]: Without dead ends: 676 [2018-09-19 10:11:16,636 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 170 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 10:11:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-19 10:11:16,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-19 10:11:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-19 10:11:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-19 10:11:16,684 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 180 [2018-09-19 10:11:16,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:11:16,685 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-19 10:11:16,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:11:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-19 10:11:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-19 10:11:16,692 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:11:16,692 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, 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] [2018-09-19 10:11:16,693 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:11:16,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1434730883, now seen corresponding path program 1 times [2018-09-19 10:11:16,693 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:11:16,694 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-09-19 10:11:16,694 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], [369], [377], [385], [393], [401], [405], [407], [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 10:11:16,701 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:11:16,702 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:11:27,964 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:11:34,645 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:11:34,646 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 10:11:34,651 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:11:36,016 INFO L232 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 73.97% of their original sizes. [2018-09-19 10:11:36,017 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:11:36,476 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:11:36,477 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:11:36,477 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:11:36,477 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:11:36,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:11:36,478 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:11:36,478 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:11:36,479 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 11 states. [2018-09-19 10:11:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:11:46,716 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-19 10:11:46,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:11:46,719 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 190 [2018-09-19 10:11:46,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:11:46,728 INFO L225 Difference]: With dead ends: 1153 [2018-09-19 10:11:46,728 INFO L226 Difference]: Without dead ends: 870 [2018-09-19 10:11:46,730 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 180 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 10:11:46,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-19 10:11:46,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-19 10:11:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-19 10:11:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-19 10:11:46,769 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 190 [2018-09-19 10:11:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:11:46,770 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-19 10:11:46,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:11:46,772 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-19 10:11:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-19 10:11:46,778 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:11:46,778 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, 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 10:11:46,779 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:11:46,779 INFO L82 PathProgramCache]: Analyzing trace with hash 507062389, now seen corresponding path program 1 times [2018-09-19 10:11:46,780 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:11:46,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-09-19 10:11:46,781 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], [369], [377], [385], [393], [401], [405], [407], [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 10:11:46,794 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:11:46,794 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:11:58,682 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:12:05,657 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:12:05,658 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 10:12:05,664 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:12:07,099 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 74.01% of their original sizes. [2018-09-19 10:12:07,100 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:12:07,704 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:12:07,704 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:12:07,705 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:12:07,705 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:12:07,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:12:07,706 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:12:07,706 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:12:07,706 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 13 states. [2018-09-19 10:12:32,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:12:32,182 INFO L93 Difference]: Finished difference Result 2024 states and 3287 transitions. [2018-09-19 10:12:32,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 10:12:32,191 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2018-09-19 10:12:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:12:32,205 INFO L225 Difference]: With dead ends: 2024 [2018-09-19 10:12:32,205 INFO L226 Difference]: Without dead ends: 1741 [2018-09-19 10:12:32,209 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2018-09-19 10:12:32,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2018-09-19 10:12:32,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1636. [2018-09-19 10:12:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-09-19 10:12:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2042 transitions. [2018-09-19 10:12:32,280 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2042 transitions. Word has length 195 [2018-09-19 10:12:32,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:12:32,281 INFO L480 AbstractCegarLoop]: Abstraction has 1636 states and 2042 transitions. [2018-09-19 10:12:32,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:12:32,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2042 transitions. [2018-09-19 10:12:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-19 10:12:32,285 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:12:32,285 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, 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] [2018-09-19 10:12:32,285 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:12:32,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1573601226, now seen corresponding path program 1 times [2018-09-19 10:12:32,286 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:12:32,286 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-09-19 10:12:32,286 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], [369], [377], [385], [393], [401], [405], [407], [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 10:12:32,293 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:12:32,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:12:54,540 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:12:54,540 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 10:12:54,545 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:12:56,083 INFO L232 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 73.88% of their original sizes. [2018-09-19 10:12:56,083 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:12:56,496 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:12:56,496 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:12:56,497 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:12:56,497 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:12:56,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:12:56,498 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:12:56,498 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:12:56,498 INFO L87 Difference]: Start difference. First operand 1636 states and 2042 transitions. Second operand 11 states. [2018-09-19 10:13:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:13:12,613 INFO L93 Difference]: Finished difference Result 3341 states and 4418 transitions. [2018-09-19 10:13:12,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 10:13:12,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2018-09-19 10:13:12,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:13:12,637 INFO L225 Difference]: With dead ends: 3341 [2018-09-19 10:13:12,637 INFO L226 Difference]: Without dead ends: 2095 [2018-09-19 10:13:12,642 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2018-09-19 10:13:12,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-09-19 10:13:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2017. [2018-09-19 10:13:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2017 states. [2018-09-19 10:13:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2472 transitions. [2018-09-19 10:13:12,716 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2472 transitions. Word has length 211 [2018-09-19 10:13:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:13:12,717 INFO L480 AbstractCegarLoop]: Abstraction has 2017 states and 2472 transitions. [2018-09-19 10:13:12,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:13:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2472 transitions. [2018-09-19 10:13:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-09-19 10:13:12,723 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:13:12,723 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:12,724 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:13:12,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1603363387, now seen corresponding path program 1 times [2018-09-19 10:13:12,724 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:13:12,725 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-09-19 10:13:12,725 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], [369], [377], [385], [393], [401], [405], [407], [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 10:13:12,730 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:13:12,730 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:13:17,811 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:13:44,424 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:13:44,424 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 10:13:44,432 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:13:46,134 INFO L232 lantSequenceWeakener]: Weakened 259 states. On average, predicates are now at 73.76% of their original sizes. [2018-09-19 10:13:46,135 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:13:46,887 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:13:46,888 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:13:46,888 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:13:46,888 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:13:46,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:13:46,889 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:13:46,889 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:13:46,890 INFO L87 Difference]: Start difference. First operand 2017 states and 2472 transitions. Second operand 14 states. [2018-09-19 10:13:55,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:13:55,286 INFO L93 Difference]: Finished difference Result 3662 states and 4785 transitions. [2018-09-19 10:13:55,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 10:13:55,287 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 261 [2018-09-19 10:13:55,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:13:55,302 INFO L225 Difference]: With dead ends: 3662 [2018-09-19 10:13:55,302 INFO L226 Difference]: Without dead ends: 2608 [2018-09-19 10:13:55,308 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 270 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2018-09-19 10:13:55,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2018-09-19 10:13:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2596. [2018-09-19 10:13:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2018-09-19 10:13:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3144 transitions. [2018-09-19 10:13:55,405 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3144 transitions. Word has length 261 [2018-09-19 10:13:55,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:13:55,406 INFO L480 AbstractCegarLoop]: Abstraction has 2596 states and 3144 transitions. [2018-09-19 10:13:55,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:13:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3144 transitions. [2018-09-19 10:13:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-19 10:13:55,413 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:13:55,413 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:55,413 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:13:55,414 INFO L82 PathProgramCache]: Analyzing trace with hash 29484163, now seen corresponding path program 1 times [2018-09-19 10:13:55,414 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:13:55,414 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-09-19 10:13:55,415 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], [369], [377], [385], [393], [401], [405], [407], [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 10:13:55,419 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:13:55,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:14:01,422 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:14:28,502 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:14:28,502 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 10:14:28,508 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:14:30,282 INFO L232 lantSequenceWeakener]: Weakened 263 states. On average, predicates are now at 73.75% of their original sizes. [2018-09-19 10:14:30,282 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:14:31,161 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:14:31,161 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:14:31,161 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-19 10:14:31,162 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:14:31,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-19 10:14:31,162 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-19 10:14:31,163 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-09-19 10:14:31,163 INFO L87 Difference]: Start difference. First operand 2596 states and 3144 transitions. Second operand 15 states. Received shutdown request... [2018-09-19 10:14:51,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 10:14:51,523 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:14:51,530 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:14:51,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:14:51 BoogieIcfgContainer [2018-09-19 10:14:51,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:14:51,531 INFO L168 Benchmark]: Toolchain (without parser) took 265069.30 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 713.9 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:51,533 INFO L168 Benchmark]: CDTParser took 0.21 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 10:14:51,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.79 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:51,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.03 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 10:14:51,535 INFO L168 Benchmark]: Boogie Preprocessor took 447.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 749.7 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -871.1 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:51,536 INFO L168 Benchmark]: RCFGBuilder took 4541.93 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 194.9 MB). Peak memory consumption was 194.9 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:51,537 INFO L168 Benchmark]: TraceAbstraction took 258895.53 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 3.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 545.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:51,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 987.79 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 187.03 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 447.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 749.7 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -871.1 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4541.93 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 194.9 MB). Peak memory consumption was 194.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258895.53 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 3.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 545.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 174). Cancelled while BasicCegarLoop was constructing difference of abstraction (2596states) and FLOYD_HOARE automaton (currently 25 states, 15 states before enhancement), while ReachableStatesComputation was computing reachable states (3606 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 258.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 95.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2017 SDtfs, 9927 SDslu, 3152 SDs, 0 SdLazy, 21398 SolverSat, 1988 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.1s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1427 GetRequests, 1291 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 7.5s 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, 147.1s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9953625030944624 AbsIntWeakeningRatio, 0.11855670103092783 AbsIntAvgWeakeningVarsNumRemoved, 1230.199558173785 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_label19_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-14-51-556.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label19_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-14-51-556.csv Completed graceful shutdown