java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 05:24:46,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 05:24:46,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 05:24:46,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 05:24:46,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 05:24:46,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 05:24:46,393 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 05:24:46,395 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 05:24:46,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 05:24:46,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 05:24:46,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 05:24:46,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 05:24:46,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 05:24:46,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 05:24:46,403 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 05:24:46,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 05:24:46,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 05:24:46,406 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 05:24:46,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 05:24:46,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 05:24:46,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 05:24:46,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 05:24:46,416 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 05:24:46,416 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 05:24:46,416 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 05:24:46,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 05:24:46,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 05:24:46,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 05:24:46,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 05:24:46,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 05:24:46,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 05:24:46,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 05:24:46,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 05:24:46,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 05:24:46,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 05:24:46,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 05:24:46,425 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-08-08 05:24:46,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 05:24:46,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 05:24:46,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 05:24:46,450 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 05:24:46,450 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 05:24:46,450 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 05:24:46,450 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 05:24:46,451 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 05:24:46,451 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 05:24:46,451 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 05:24:46,451 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 05:24:46,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 05:24:46,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 05:24:46,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 05:24:46,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 05:24:46,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 05:24:46,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 05:24:46,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 05:24:46,453 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 05:24:46,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 05:24:46,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 05:24:46,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 05:24:46,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 05:24:46,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 05:24:46,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 05:24:46,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 05:24:46,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 05:24:46,455 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 05:24:46,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 05:24:46,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 05:24:46,456 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 05:24:46,456 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 05:24:46,456 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 05:24:46,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 05:24:46,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 05:24:46,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 05:24:46,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 05:24:46,527 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 05:24:46,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-08-08 05:24:46,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/746e43806/4712f22a4e584af78276653022d80277/FLAG551081e17 [2018-08-08 05:24:47,157 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 05:24:47,158 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-08-08 05:24:47,176 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/746e43806/4712f22a4e584af78276653022d80277/FLAG551081e17 [2018-08-08 05:24:47,199 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/746e43806/4712f22a4e584af78276653022d80277 [2018-08-08 05:24:47,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 05:24:47,216 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 05:24:47,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 05:24:47,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 05:24:47,230 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 05:24:47,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:24:47" (1/1) ... [2018-08-08 05:24:47,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5f4fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:47, skipping insertion in model container [2018-08-08 05:24:47,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:24:47" (1/1) ... [2018-08-08 05:24:47,479 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 05:24:47,800 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:24:47,819 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 05:24:47,954 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:24:48,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48 WrapperNode [2018-08-08 05:24:48,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 05:24:48,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 05:24:48,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 05:24:48,004 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 05:24:48,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 05:24:48,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 05:24:48,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 05:24:48,097 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 05:24:48,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (1/1) ... [2018-08-08 05:24:48,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 05:24:48,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 05:24:48,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 05:24:48,349 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 05:24:48,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (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 [2018-08-08 05:24:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 05:24:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 05:24:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 05:24:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 05:24:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 05:24:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 05:24:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 05:24:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 05:24:51,814 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 05:24:51,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:24:51 BoogieIcfgContainer [2018-08-08 05:24:51,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 05:24:51,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 05:24:51,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 05:24:51,820 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 05:24:51,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 05:24:47" (1/3) ... [2018-08-08 05:24:51,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111495a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:24:51, skipping insertion in model container [2018-08-08 05:24:51,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:24:48" (2/3) ... [2018-08-08 05:24:51,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111495a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:24:51, skipping insertion in model container [2018-08-08 05:24:51,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:24:51" (3/3) ... [2018-08-08 05:24:51,828 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label04_true-unreach-call.c [2018-08-08 05:24:51,839 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 05:24:51,850 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 05:24:51,909 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 05:24:51,910 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 05:24:51,910 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 05:24:51,910 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 05:24:51,910 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 05:24:51,910 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 05:24:51,911 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 05:24:51,911 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 05:24:51,911 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 05:24:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-08-08 05:24:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-08-08 05:24:51,953 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:24:51,955 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:24:51,956 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:24:51,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1534205543, now seen corresponding path program 1 times [2018-08-08 05:24:51,966 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:24:51,967 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2018-08-08 05:24:51,972 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], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [796], [800], [806], [810], [817], [818], [819], [821] [2018-08-08 05:24:52,084 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:24:52,085 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:24:54,220 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:24:54,223 INFO L272 AbstractInterpreter]: Visited 72 different actions 72 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 05:24:54,269 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:24:55,370 INFO L232 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 76.17% of their original sizes. [2018-08-08 05:24:55,371 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:24:55,724 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:24:55,726 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:24:55,726 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 05:24:55,727 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:24:55,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 05:24:55,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 05:24:55,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:24:55,748 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-08-08 05:25:01,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:25:01,143 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-08-08 05:25:01,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 05:25:01,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2018-08-08 05:25:01,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:25:01,161 INFO L225 Difference]: With dead ends: 576 [2018-08-08 05:25:01,162 INFO L226 Difference]: Without dead ends: 358 [2018-08-08 05:25:01,168 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:25:01,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-08-08 05:25:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-08-08 05:25:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-08-08 05:25:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-08-08 05:25:01,260 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 73 [2018-08-08 05:25:01,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:25:01,261 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-08-08 05:25:01,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 05:25:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-08-08 05:25:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-08-08 05:25:01,274 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:25:01,274 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:25:01,275 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:25:01,275 INFO L82 PathProgramCache]: Analyzing trace with hash 553948683, now seen corresponding path program 1 times [2018-08-08 05:25:01,275 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:25:01,277 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-08-08 05:25:01,277 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], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:25:01,285 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:25:01,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:25:03,421 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:25:09,821 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:25:09,821 INFO L272 AbstractInterpreter]: Visited 78 different actions 150 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:25:09,853 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:25:14,857 INFO L232 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 74.54% of their original sizes. [2018-08-08 05:25:14,857 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:25:18,143 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:25:18,144 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:25:18,144 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 05:25:18,144 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:25:18,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 05:25:18,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 05:25:18,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-08-08 05:25:18,147 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-08-08 05:25:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:25:30,207 INFO L93 Difference]: Finished difference Result 711 states and 1126 transitions. [2018-08-08 05:25:30,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 05:25:30,208 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2018-08-08 05:25:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:25:30,214 INFO L225 Difference]: With dead ends: 711 [2018-08-08 05:25:30,215 INFO L226 Difference]: Without dead ends: 505 [2018-08-08 05:25:30,217 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 74 SyntacticMatches, 61 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-08-08 05:25:30,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-08-08 05:25:30,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2018-08-08 05:25:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-08-08 05:25:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 655 transitions. [2018-08-08 05:25:30,259 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 655 transitions. Word has length 144 [2018-08-08 05:25:30,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:25:30,260 INFO L480 AbstractCegarLoop]: Abstraction has 502 states and 655 transitions. [2018-08-08 05:25:30,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 05:25:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 655 transitions. [2018-08-08 05:25:30,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-08-08 05:25:30,265 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:25:30,265 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, 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] [2018-08-08 05:25:30,266 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:25:30,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1855747908, now seen corresponding path program 1 times [2018-08-08 05:25:30,266 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:25:30,267 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-08-08 05:25:30,267 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], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:25:30,272 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:25:30,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:25:37,011 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:25:37,012 INFO L272 AbstractInterpreter]: Visited 87 different actions 167 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:25:37,016 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:25:39,837 INFO L232 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 74.43% of their original sizes. [2018-08-08 05:25:39,839 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:25:41,675 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:25:41,676 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:25:41,676 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 05:25:41,677 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:25:41,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 05:25:41,678 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 05:25:41,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-08-08 05:25:41,678 INFO L87 Difference]: Start difference. First operand 502 states and 655 transitions. Second operand 11 states. [2018-08-08 05:25:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:25:55,921 INFO L93 Difference]: Finished difference Result 1002 states and 1569 transitions. [2018-08-08 05:25:55,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 05:25:55,922 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2018-08-08 05:25:55,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:25:55,927 INFO L225 Difference]: With dead ends: 1002 [2018-08-08 05:25:55,927 INFO L226 Difference]: Without dead ends: 796 [2018-08-08 05:25:55,929 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 82 SyntacticMatches, 61 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-08-08 05:25:55,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-08-08 05:25:55,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2018-08-08 05:25:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-08-08 05:25:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 962 transitions. [2018-08-08 05:25:55,983 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 962 transitions. Word has length 153 [2018-08-08 05:25:55,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:25:55,984 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 962 transitions. [2018-08-08 05:25:55,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 05:25:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 962 transitions. [2018-08-08 05:25:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-08-08 05:25:55,989 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:25:55,989 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, 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] [2018-08-08 05:25:55,989 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:25:55,989 INFO L82 PathProgramCache]: Analyzing trace with hash 317926988, now seen corresponding path program 1 times [2018-08-08 05:25:55,990 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:25:55,990 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-08-08 05:25:55,990 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], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:25:55,996 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:25:55,996 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:25:59,537 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:26:12,882 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:26:12,883 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:26:12,921 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:26:17,898 INFO L232 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 74.11% of their original sizes. [2018-08-08 05:26:17,898 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:26:20,541 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:26:20,542 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:26:20,542 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 05:26:20,542 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:26:20,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 05:26:20,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 05:26:20,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 05:26:20,544 INFO L87 Difference]: Start difference. First operand 793 states and 962 transitions. Second operand 12 states. [2018-08-08 05:26:29,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:26:29,323 INFO L93 Difference]: Finished difference Result 1150 states and 1593 transitions. [2018-08-08 05:26:29,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 05:26:29,324 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 189 [2018-08-08 05:26:29,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:26:29,330 INFO L225 Difference]: With dead ends: 1150 [2018-08-08 05:26:29,330 INFO L226 Difference]: Without dead ends: 944 [2018-08-08 05:26:29,332 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 117 SyntacticMatches, 61 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 05:26:29,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2018-08-08 05:26:29,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 939. [2018-08-08 05:26:29,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-08-08 05:26:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1120 transitions. [2018-08-08 05:26:29,382 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1120 transitions. Word has length 189 [2018-08-08 05:26:29,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:26:29,382 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1120 transitions. [2018-08-08 05:26:29,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 05:26:29,383 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1120 transitions. [2018-08-08 05:26:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-08-08 05:26:29,387 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:26:29,387 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, 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] [2018-08-08 05:26:29,388 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:26:29,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1267180917, now seen corresponding path program 1 times [2018-08-08 05:26:29,388 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:26:29,389 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-08-08 05:26:29,389 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], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:26:29,395 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:26:29,395 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:27:04,558 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:27:04,558 INFO L272 AbstractInterpreter]: Visited 142 different actions 549 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:27:04,567 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:27:06,979 INFO L232 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 73.98% of their original sizes. [2018-08-08 05:27:06,979 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:27:08,104 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:27:08,104 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:27:08,105 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-08-08 05:27:08,105 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:27:08,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-08-08 05:27:08,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-08-08 05:27:08,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-08-08 05:27:08,106 INFO L87 Difference]: Start difference. First operand 939 states and 1120 transitions. Second operand 15 states. [2018-08-08 05:27:17,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:27:17,689 INFO L93 Difference]: Finished difference Result 1301 states and 1760 transitions. [2018-08-08 05:27:17,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-08-08 05:27:17,692 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 208 [2018-08-08 05:27:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:27:17,698 INFO L225 Difference]: With dead ends: 1301 [2018-08-08 05:27:17,698 INFO L226 Difference]: Without dead ends: 1095 [2018-08-08 05:27:17,700 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2018-08-08 05:27:17,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2018-08-08 05:27:17,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1089. [2018-08-08 05:27:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-08-08 05:27:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1286 transitions. [2018-08-08 05:27:17,758 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1286 transitions. Word has length 208 [2018-08-08 05:27:17,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:27:17,759 INFO L480 AbstractCegarLoop]: Abstraction has 1089 states and 1286 transitions. [2018-08-08 05:27:17,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-08-08 05:27:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1286 transitions. [2018-08-08 05:27:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-08-08 05:27:17,763 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:27:17,763 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, 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] [2018-08-08 05:27:17,764 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:27:17,764 INFO L82 PathProgramCache]: Analyzing trace with hash 969399960, now seen corresponding path program 1 times [2018-08-08 05:27:17,764 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:27:17,765 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-08-08 05:27:17,765 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], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:27:17,772 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:27:17,773 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:27:37,161 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:27:37,161 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:27:37,165 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:27:42,955 INFO L232 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 73.96% of their original sizes. [2018-08-08 05:27:42,956 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:27:45,890 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:27:45,891 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:27:45,891 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-08-08 05:27:45,891 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:27:45,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-08 05:27:45,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-08 05:27:45,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-08-08 05:27:45,893 INFO L87 Difference]: Start difference. First operand 1089 states and 1286 transitions. Second operand 14 states. [2018-08-08 05:27:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:27:56,873 INFO L93 Difference]: Finished difference Result 1594 states and 2078 transitions. [2018-08-08 05:27:56,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-08-08 05:27:56,875 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2018-08-08 05:27:56,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:27:56,881 INFO L225 Difference]: With dead ends: 1594 [2018-08-08 05:27:56,882 INFO L226 Difference]: Without dead ends: 1238 [2018-08-08 05:27:56,884 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 222 GetRequests, 137 SyntacticMatches, 61 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 726 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2018-08-08 05:27:56,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-08-08 05:27:56,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1235. [2018-08-08 05:27:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2018-08-08 05:27:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1444 transitions. [2018-08-08 05:27:56,955 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1444 transitions. Word has length 211 [2018-08-08 05:27:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:27:56,956 INFO L480 AbstractCegarLoop]: Abstraction has 1235 states and 1444 transitions. [2018-08-08 05:27:56,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-08-08 05:27:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1444 transitions. [2018-08-08 05:27:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-08-08 05:27:56,961 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:27:56,961 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:27:56,961 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:27:56,962 INFO L82 PathProgramCache]: Analyzing trace with hash 924233710, now seen corresponding path program 1 times [2018-08-08 05:27:56,962 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:27:56,962 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-08-08 05:27:56,962 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], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [485], [487], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:27:56,965 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:27:56,965 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:27:58,336 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:28:13,006 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:28:13,007 INFO L272 AbstractInterpreter]: Visited 84 different actions 244 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-08-08 05:28:13,044 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:28:19,026 INFO L232 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 73.96% of their original sizes. [2018-08-08 05:28:19,026 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:28:25,041 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:28:25,042 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:28:25,042 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 05:28:25,042 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:28:25,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 05:28:25,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 05:28:25,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-08-08 05:28:25,044 INFO L87 Difference]: Start difference. First operand 1235 states and 1444 transitions. Second operand 10 states. Received shutdown request... [2018-08-08 05:28:26,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 05:28:26,858 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 05:28:26,865 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 05:28:26,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 05:28:26 BoogieIcfgContainer [2018-08-08 05:28:26,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 05:28:26,866 INFO L168 Benchmark]: Toolchain (without parser) took 219651.76 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 2.3 GB in the end (delta: -845.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-08-08 05:28:26,868 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 05:28:26,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-08-08 05:28:26,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-08-08 05:28:26,870 INFO L168 Benchmark]: Boogie Preprocessor took 251.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 783.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -894.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2018-08-08 05:28:26,871 INFO L168 Benchmark]: RCFGBuilder took 3466.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 124.1 MB). Peak memory consumption was 124.1 MB. Max. memory is 7.1 GB. [2018-08-08 05:28:26,872 INFO L168 Benchmark]: TraceAbstraction took 215048.71 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -127.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-08-08 05:28:26,877 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 92.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 251.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 783.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -894.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3466.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 124.1 MB). Peak memory consumption was 124.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215048.71 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -127.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 202]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 202). Cancelled while BasicCegarLoop was constructing difference of abstraction (1235states) and FLOYD_HOARE automaton (currently 13 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (95 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 214.9s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 62.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1262 SDtfs, 4032 SDslu, 1949 SDs, 0 SdLazy, 10623 SolverSat, 1018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.6s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1245 GetRequests, 822 SyntacticMatches, 305 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2461 ImplicationChecksByTransitivity, 21.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1235occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 105.2s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9945635580423663 AbsIntWeakeningRatio, 0.11754827875734676 AbsIntAvgWeakeningVarsNumRemoved, 81.68094038623006 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 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/Problem10_label04_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_05-28-26-891.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label04_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_05-28-26-891.csv Completed graceful shutdown