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/Problem15_label05_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 06:18:51,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 06:18:51,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 06:18:51,069 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 06:18:51,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 06:18:51,071 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 06:18:51,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 06:18:51,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 06:18:51,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 06:18:51,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 06:18:51,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 06:18:51,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 06:18:51,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 06:18:51,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 06:18:51,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 06:18:51,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 06:18:51,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 06:18:51,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 06:18:51,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 06:18:51,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 06:18:51,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 06:18:51,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 06:18:51,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 06:18:51,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 06:18:51,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 06:18:51,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 06:18:51,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 06:18:51,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 06:18:51,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 06:18:51,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 06:18:51,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 06:18:51,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 06:18:51,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 06:18:51,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 06:18:51,110 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 06:18:51,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 06:18:51,111 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 06:18:51,139 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 06:18:51,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 06:18:51,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 06:18:51,143 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 06:18:51,143 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 06:18:51,144 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 06:18:51,144 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 06:18:51,144 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 06:18:51,144 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 06:18:51,145 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 06:18:51,145 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 06:18:51,146 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 06:18:51,146 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 06:18:51,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 06:18:51,146 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 06:18:51,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 06:18:51,147 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 06:18:51,147 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 06:18:51,147 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 06:18:51,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 06:18:51,148 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 06:18:51,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 06:18:51,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 06:18:51,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 06:18:51,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 06:18:51,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 06:18:51,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 06:18:51,149 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 06:18:51,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 06:18:51,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 06:18:51,150 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 06:18:51,150 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 06:18:51,150 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 06:18:51,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 06:18:51,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 06:18:51,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 06:18:51,223 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 06:18:51,223 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 06:18:51,224 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label05_true-unreach-call.c [2018-08-08 06:18:51,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef82b79a/1e7b7cca4f944a50a1eb772569108179/FLAG871d5f2fd [2018-08-08 06:18:51,995 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 06:18:51,996 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label05_true-unreach-call.c [2018-08-08 06:18:52,020 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef82b79a/1e7b7cca4f944a50a1eb772569108179/FLAG871d5f2fd [2018-08-08 06:18:52,041 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef82b79a/1e7b7cca4f944a50a1eb772569108179 [2018-08-08 06:18:52,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 06:18:52,059 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 06:18:52,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 06:18:52,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 06:18:52,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 06:18:52,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:18:52" (1/1) ... [2018-08-08 06:18:52,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b5317d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:52, skipping insertion in model container [2018-08-08 06:18:52,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:18:52" (1/1) ... [2018-08-08 06:18:52,320 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 06:18:53,063 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 06:18:53,084 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 06:18:53,500 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 06:18:53,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53 WrapperNode [2018-08-08 06:18:53,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 06:18:53,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 06:18:53,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 06:18:53,668 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 06:18:53,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:53,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:53,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 06:18:53,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 06:18:53,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 06:18:53,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 06:18:54,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:54,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:54,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:54,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:54,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:54,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:54,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (1/1) ... [2018-08-08 06:18:54,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 06:18:54,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 06:18:54,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 06:18:54,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 06:18:54,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (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 06:18:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 06:18:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 06:18:54,814 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 06:18:54,815 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 06:18:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 06:18:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 06:18:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 06:18:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 06:18:54,816 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_output2 [2018-08-08 06:18:54,816 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_output2 [2018-08-08 06:19:04,938 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 06:19:04,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:19:04 BoogieIcfgContainer [2018-08-08 06:19:04,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 06:19:04,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 06:19:04,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 06:19:04,944 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 06:19:04,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 06:18:52" (1/3) ... [2018-08-08 06:19:04,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150279fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:19:04, skipping insertion in model container [2018-08-08 06:19:04,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:18:53" (2/3) ... [2018-08-08 06:19:04,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150279fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:19:04, skipping insertion in model container [2018-08-08 06:19:04,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:19:04" (3/3) ... [2018-08-08 06:19:04,949 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label05_true-unreach-call.c [2018-08-08 06:19:04,961 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 06:19:04,971 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 06:19:05,032 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 06:19:05,032 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 06:19:05,033 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 06:19:05,033 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 06:19:05,033 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 06:19:05,033 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 06:19:05,033 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 06:19:05,034 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 06:19:05,034 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 06:19:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-08-08 06:19:05,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-08-08 06:19:05,081 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:19:05,085 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] [2018-08-08 06:19:05,086 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 06:19:05,092 INFO L82 PathProgramCache]: Analyzing trace with hash 286027249, now seen corresponding path program 1 times [2018-08-08 06:19:05,095 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:19:05,097 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 72 with the following transitions: [2018-08-08 06:19:05,100 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], [469], [471], [1567], [1571], [1577], [1581], [1662], [1663], [1664], [1666] [2018-08-08 06:19:05,175 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:19:05,175 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:19:07,381 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:19:07,383 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 06:19:07,403 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:19:08,534 INFO L232 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 80.87% of their original sizes. [2018-08-08 06:19:08,534 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:19:08,839 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:19:08,843 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:19:08,843 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 06:19:08,843 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:19:08,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 06:19:08,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 06:19:08,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 06:19:08,861 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-08-08 06:19:24,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:19:24,604 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-08-08 06:19:24,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 06:19:24,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-08-08 06:19:24,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:19:24,634 INFO L225 Difference]: With dead ends: 1184 [2018-08-08 06:19:24,634 INFO L226 Difference]: Without dead ends: 744 [2018-08-08 06:19:24,645 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 06:19:24,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-08-08 06:19:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-08-08 06:19:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-08-08 06:19:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-08-08 06:19:24,755 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 71 [2018-08-08 06:19:24,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:19:24,756 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-08-08 06:19:24,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 06:19:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-08-08 06:19:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-08-08 06:19:24,766 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:19:24,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:19:24,767 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 06:19:24,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2058209671, now seen corresponding path program 1 times [2018-08-08 06:19:24,768 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:19:24,768 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-08-08 06:19:24,769 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], [469], [471], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [619], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-08-08 06:19:24,776 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:19:24,777 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:19:29,405 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 06:19:46,644 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:19:46,644 INFO L272 AbstractInterpreter]: Visited 103 different actions 393 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 06:19:46,653 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:19:48,878 INFO L232 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 78.85% of their original sizes. [2018-08-08 06:19:48,879 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:19:50,699 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:19:50,700 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:19:50,700 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 06:19:50,700 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:19:50,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 06:19:50,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 06:19:50,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 06:19:50,703 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 12 states. [2018-08-08 06:20:24,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:20:24,691 INFO L93 Difference]: Finished difference Result 1798 states and 3052 transitions. [2018-08-08 06:20:24,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-08-08 06:20:24,692 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 167 [2018-08-08 06:20:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:20:24,702 INFO L225 Difference]: With dead ends: 1798 [2018-08-08 06:20:24,703 INFO L226 Difference]: Without dead ends: 1370 [2018-08-08 06:20:24,707 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 126 SyntacticMatches, 30 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2018-08-08 06:20:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-08-08 06:20:24,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1365. [2018-08-08 06:20:24,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2018-08-08 06:20:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1724 transitions. [2018-08-08 06:20:24,785 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1724 transitions. Word has length 167 [2018-08-08 06:20:24,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:20:24,786 INFO L480 AbstractCegarLoop]: Abstraction has 1365 states and 1724 transitions. [2018-08-08 06:20:24,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 06:20:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1724 transitions. [2018-08-08 06:20:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-08-08 06:20:24,800 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:20:24,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:24,801 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 06:20:24,802 INFO L82 PathProgramCache]: Analyzing trace with hash -40960492, now seen corresponding path program 1 times [2018-08-08 06:20:24,802 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:20:24,802 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-08-08 06:20:24,803 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], [469], [471], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1306], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-08-08 06:20:24,815 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:20:24,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:20:38,164 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 06:20:51,996 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:20:51,997 INFO L272 AbstractInterpreter]: Visited 245 different actions 722 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 06:20:52,032 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:20:55,074 INFO L232 lantSequenceWeakener]: Weakened 307 states. On average, predicates are now at 78.12% of their original sizes. [2018-08-08 06:20:55,075 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:20:56,657 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:20:56,658 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:20:56,658 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 06:20:56,658 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:20:56,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 06:20:56,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 06:20:56,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-08-08 06:20:56,662 INFO L87 Difference]: Start difference. First operand 1365 states and 1724 transitions. Second operand 12 states. [2018-08-08 06:21:28,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 06:21:28,118 INFO L93 Difference]: Finished difference Result 2415 states and 3696 transitions. [2018-08-08 06:21:28,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 06:21:28,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 309 [2018-08-08 06:21:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 06:21:28,131 INFO L225 Difference]: With dead ends: 2415 [2018-08-08 06:21:28,132 INFO L226 Difference]: Without dead ends: 1987 [2018-08-08 06:21:28,135 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 316 GetRequests, 239 SyntacticMatches, 59 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-08-08 06:21:28,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2018-08-08 06:21:28,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1984. [2018-08-08 06:21:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1984 states. [2018-08-08 06:21:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2361 transitions. [2018-08-08 06:21:28,208 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2361 transitions. Word has length 309 [2018-08-08 06:21:28,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 06:21:28,209 INFO L480 AbstractCegarLoop]: Abstraction has 1984 states and 2361 transitions. [2018-08-08 06:21:28,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 06:21:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2361 transitions. [2018-08-08 06:21:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-08-08 06:21:28,216 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 06:21:28,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:21:28,217 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 06:21:28,217 INFO L82 PathProgramCache]: Analyzing trace with hash 846584125, now seen corresponding path program 1 times [2018-08-08 06:21:28,218 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 06:21:28,218 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 311 with the following transitions: [2018-08-08 06:21:28,219 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], [469], [471], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1307], [1310], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-08-08 06:21:28,228 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 06:21:28,229 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 06:21:41,550 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 06:22:20,764 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 06:22:20,764 INFO L272 AbstractInterpreter]: Visited 246 different actions 965 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 06:22:20,773 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 06:22:23,414 INFO L232 lantSequenceWeakener]: Weakened 308 states. On average, predicates are now at 78.12% of their original sizes. [2018-08-08 06:22:23,415 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 06:22:25,104 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 06:22:25,104 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 06:22:25,105 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-08-08 06:22:25,105 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 06:22:25,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-08-08 06:22:25,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-08-08 06:22:25,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-08-08 06:22:25,107 INFO L87 Difference]: Start difference. First operand 1984 states and 2361 transitions. Second operand 16 states. Received shutdown request... [2018-08-08 06:22:58,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-08-08 06:22:58,057 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 06:22:58,064 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 06:22:58,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 06:22:58 BoogieIcfgContainer [2018-08-08 06:22:58,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 06:22:58,066 INFO L168 Benchmark]: Toolchain (without parser) took 246009.97 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: -1.8 GB). Peak memory consumption was 845.4 MB. Max. memory is 7.1 GB. [2018-08-08 06:22:58,068 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-08-08 06:22:58,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1606.35 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: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2018-08-08 06:22:58,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 315.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-08-08 06:22:58,070 INFO L168 Benchmark]: Boogie Preprocessor took 751.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 838.3 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -994.9 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2018-08-08 06:22:58,071 INFO L168 Benchmark]: RCFGBuilder took 10204.61 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 323.0 MB). Peak memory consumption was 323.0 MB. Max. memory is 7.1 GB. [2018-08-08 06:22:58,072 INFO L168 Benchmark]: TraceAbstraction took 233124.93 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 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 507.3 MB. Max. memory is 7.1 GB. [2018-08-08 06:22:58,077 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1606.35 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: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 315.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 751.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 838.3 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -994.9 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10204.61 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 323.0 MB). Peak memory consumption was 323.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233124.93 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 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 507.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 199]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 199). Cancelled while BasicCegarLoop was constructing difference of abstraction (1984states) and FLOYD_HOARE automaton (currently 19 states, 16 states before enhancement), while ReachableStatesComputation was computing reachable states (2470 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 233.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 114.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1654 SDtfs, 6353 SDslu, 2891 SDs, 0 SdLazy, 21997 SolverSat, 1943 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 105.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 885 GetRequests, 696 SyntacticMatches, 119 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1195 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1984occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 103.9s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9959582315844103 AbsIntWeakeningRatio, 0.08675263774912075 AbsIntAvgWeakeningVarsNumRemoved, 687.3751465416178 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label05_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_06-22-58-094.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label05_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_06-22-58-094.csv Completed graceful shutdown