java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 14:05:12,169 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 14:05:12,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 14:05:12,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 14:05:12,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 14:05:12,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 14:05:12,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 14:05:12,191 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 14:05:12,192 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 14:05:12,193 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 14:05:12,194 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 14:05:12,194 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 14:05:12,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 14:05:12,196 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 14:05:12,198 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 14:05:12,198 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 14:05:12,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 14:05:12,201 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 14:05:12,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 14:05:12,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 14:05:12,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 14:05:12,208 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 14:05:12,210 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-08 14:05:12,223 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 14:05:12,223 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 14:05:12,224 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 14:05:12,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 14:05:12,225 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-08 14:05:12,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 14:05:12,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 14:05:12,259 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 14:05:12,259 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 14:05:12,259 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 14:05:12,260 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 14:05:12,260 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 14:05:12,260 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 14:05:12,260 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 14:05:12,261 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 14:05:12,261 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 14:05:12,261 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 14:05:12,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 14:05:12,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 14:05:12,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 14:05:12,263 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 14:05:12,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 14:05:12,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 14:05:12,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 14:05:12,264 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 14:05:12,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 14:05:12,264 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 14:05:12,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 14:05:12,266 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 14:05:12,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:05:12,266 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 14:05:12,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 14:05:12,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 14:05:12,267 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 14:05:12,267 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 14:05:12,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 14:05:12,268 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 14:05:12,268 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 14:05:12,268 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 14:05:12,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 14:05:12,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 14:05:12,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 14:05:12,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 14:05:12,356 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 14:05:12,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-08-08 14:05:12,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526d733e5/b46b0928a6d0450c8f211c5afb874b47/FLAG837401467 [2018-08-08 14:05:13,223 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 14:05:13,224 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-08-08 14:05:13,266 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526d733e5/b46b0928a6d0450c8f211c5afb874b47/FLAG837401467 [2018-08-08 14:05:13,288 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526d733e5/b46b0928a6d0450c8f211c5afb874b47 [2018-08-08 14:05:13,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 14:05:13,300 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 14:05:13,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 14:05:13,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 14:05:13,309 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 14:05:13,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:05:13" (1/1) ... [2018-08-08 14:05:13,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e42c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:13, skipping insertion in model container [2018-08-08 14:05:13,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:05:13" (1/1) ... [2018-08-08 14:05:13,667 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 14:05:14,949 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:05:14,972 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 14:05:16,343 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:05:16,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16 WrapperNode [2018-08-08 14:05:16,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 14:05:16,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 14:05:16,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 14:05:16,760 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 14:05:16,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:16,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:17,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 14:05:17,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 14:05:17,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 14:05:17,112 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 14:05:17,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:17,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:18,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:18,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:18,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:18,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:18,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (1/1) ... [2018-08-08 14:05:18,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 14:05:18,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 14:05:18,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 14:05:18,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 14:05:18,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (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 14:05:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 14:05:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 14:05:18,645 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 14:05:18,645 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 14:05:18,645 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_output3 [2018-08-08 14:05:18,645 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_output3 [2018-08-08 14:05:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 14:05:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 14:05:18,646 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_output4 [2018-08-08 14:05:18,646 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_output4 [2018-08-08 14:05:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 14:05:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 14:05:18,646 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 14:05:18,647 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 14:05:31,960 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 14:05:31,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:05:31 BoogieIcfgContainer [2018-08-08 14:05:31,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 14:05:31,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 14:05:31,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 14:05:31,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 14:05:31,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 02:05:13" (1/3) ... [2018-08-08 14:05:31,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f97a573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:05:31, skipping insertion in model container [2018-08-08 14:05:31,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:05:16" (2/3) ... [2018-08-08 14:05:31,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f97a573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:05:31, skipping insertion in model container [2018-08-08 14:05:31,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:05:31" (3/3) ... [2018-08-08 14:05:31,968 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label57_true-unreach-call.c [2018-08-08 14:05:31,976 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 14:05:31,986 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 14:05:32,047 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 14:05:32,048 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 14:05:32,049 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 14:05:32,049 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 14:05:32,049 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 14:05:32,049 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 14:05:32,049 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 14:05:32,049 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 14:05:32,049 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 14:05:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-08-08 14:05:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-08-08 14:05:32,116 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:05:32,117 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] [2018-08-08 14:05:32,119 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 14:05:32,126 INFO L82 PathProgramCache]: Analyzing trace with hash -100191940, now seen corresponding path program 1 times [2018-08-08 14:05:32,129 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:05:32,130 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 69 with the following transitions: [2018-08-08 14:05:32,133 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], [445], [447], [3064], [3068], [3074], [3078], [4267], [4268], [4269], [4271] [2018-08-08 14:05:32,198 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:05:32,199 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:05:34,299 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:05:34,301 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-08-08 14:05:34,317 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:05:35,291 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 73.76% of their original sizes. [2018-08-08 14:05:35,292 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:05:35,728 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:05:35,730 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:05:35,730 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 14:05:35,731 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:05:35,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 14:05:35,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 14:05:35,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:05:35,748 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-08-08 14:06:10,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:06:10,907 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-08-08 14:06:10,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 14:06:10,911 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-08-08 14:06:10,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:06:10,946 INFO L225 Difference]: With dead ends: 3044 [2018-08-08 14:06:10,946 INFO L226 Difference]: Without dead ends: 1922 [2018-08-08 14:06:10,962 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 67 GetRequests, 63 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 14:06:10,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-08-08 14:06:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-08-08 14:06:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-08-08 14:06:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-08-08 14:06:11,139 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 68 [2018-08-08 14:06:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:06:11,140 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-08-08 14:06:11,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 14:06:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-08-08 14:06:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-08-08 14:06:11,148 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:06:11,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:06:11,149 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 14:06:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1020442162, now seen corresponding path program 1 times [2018-08-08 14:06:11,150 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:06:11,150 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-08-08 14:06:11,151 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], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [522], [526], [530], [534], [538], [542], [553], [557], [561], [565], [569], [573], [577], [581], [592], [596], [600], [604], [608], [612], [616], [620], [624], [628], [632], [636], [639], [1612], [3064], [3068], [3074], [3078], [3080], [4267], [4268], [4269], [4271], [4272] [2018-08-08 14:06:11,160 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:06:11,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:06:21,268 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:06:21,268 INFO L272 AbstractInterpreter]: Visited 108 different actions 210 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:06:21,280 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:06:24,343 INFO L232 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 72.07% of their original sizes. [2018-08-08 14:06:24,343 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:06:25,210 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:06:25,210 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:06:25,211 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 14:06:25,211 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:06:25,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 14:06:25,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 14:06:25,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-08-08 14:06:25,213 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-08-08 14:07:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:07:15,204 INFO L93 Difference]: Finished difference Result 3839 states and 6442 transitions. [2018-08-08 14:07:15,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 14:07:15,205 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-08-08 14:07:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:07:15,219 INFO L225 Difference]: With dead ends: 3839 [2018-08-08 14:07:15,219 INFO L226 Difference]: Without dead ends: 2729 [2018-08-08 14:07:15,224 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-08-08 14:07:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2018-08-08 14:07:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2726. [2018-08-08 14:07:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-08-08 14:07:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3652 transitions. [2018-08-08 14:07:15,309 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3652 transitions. Word has length 169 [2018-08-08 14:07:15,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:07:15,310 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3652 transitions. [2018-08-08 14:07:15,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 14:07:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3652 transitions. [2018-08-08 14:07:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-08-08 14:07:15,314 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:07:15,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:15,315 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 14:07:15,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1932076711, now seen corresponding path program 1 times [2018-08-08 14:07:15,316 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:07:15,316 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-08-08 14:07:15,317 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], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [522], [526], [530], [534], [538], [542], [553], [557], [561], [565], [569], [573], [577], [581], [592], [596], [600], [604], [608], [612], [616], [620], [624], [628], [632], [636], [640], [644], [648], [652], [656], [660], [664], [668], [679], [683], [687], [691], [695], [699], [703], [707], [718], [729], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [783], [1612], [3064], [3068], [3074], [3078], [3080], [4267], [4268], [4269], [4271], [4272] [2018-08-08 14:07:15,323 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:07:15,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:07:25,781 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:07:25,781 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:07:25,785 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:07:28,151 INFO L232 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 71.88% of their original sizes. [2018-08-08 14:07:28,152 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:07:28,960 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:07:28,961 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:07:28,961 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 14:07:28,961 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:07:28,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 14:07:28,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 14:07:28,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-08-08 14:07:28,964 INFO L87 Difference]: Start difference. First operand 2726 states and 3652 transitions. Second operand 12 states. [2018-08-08 14:08:55,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:08:55,872 INFO L93 Difference]: Finished difference Result 5450 states and 8859 transitions. [2018-08-08 14:08:55,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 14:08:55,883 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 198 [2018-08-08 14:08:55,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:08:55,901 INFO L225 Difference]: With dead ends: 5450 [2018-08-08 14:08:55,902 INFO L226 Difference]: Without dead ends: 4340 [2018-08-08 14:08:55,906 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-08-08 14:08:55,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2018-08-08 14:08:56,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 4337. [2018-08-08 14:08:56,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4337 states. [2018-08-08 14:08:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 5285 transitions. [2018-08-08 14:08:56,044 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 5285 transitions. Word has length 198 [2018-08-08 14:08:56,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:08:56,046 INFO L480 AbstractCegarLoop]: Abstraction has 4337 states and 5285 transitions. [2018-08-08 14:08:56,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 14:08:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 5285 transitions. [2018-08-08 14:08:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-08-08 14:08:56,056 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:08:56,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:56,057 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 14:08:56,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1899768226, now seen corresponding path program 1 times [2018-08-08 14:08:56,058 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:08:56,058 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-08-08 14:08:56,059 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], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [522], [526], [530], [534], [538], [542], [553], [557], [561], [565], [569], [573], [577], [581], [592], [596], [600], [604], [608], [612], [616], [620], [624], [628], [632], [636], [640], [644], [648], [652], [656], [660], [664], [668], [679], [683], [687], [691], [695], [699], [703], [707], [718], [729], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [799], [803], [814], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [872], [876], [880], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [950], [954], [965], [969], [973], [977], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1083], [1087], [1091], [1095], [1099], [1103], [1107], [1111], [1115], [1119], [1123], [1127], [1131], [1142], [1146], [1150], [1154], [1158], [1162], [1166], [1170], [1174], [1178], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1236], [1239], [1612], [3064], [3068], [3074], [3078], [3080], [4267], [4268], [4269], [4271], [4272] [2018-08-08 14:08:56,082 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:08:56,083 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:09:08,934 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:09:22,659 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:09:22,660 INFO L272 AbstractInterpreter]: Visited 230 different actions 453 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:09:22,699 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:09:26,649 INFO L232 lantSequenceWeakener]: Weakened 289 states. On average, predicates are now at 71.55% of their original sizes. [2018-08-08 14:09:26,650 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-08-08 14:09:27,331 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 14:09:27,337 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 14:09:27,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 02:09:27 BoogieIcfgContainer [2018-08-08 14:09:27,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 14:09:27,339 INFO L168 Benchmark]: Toolchain (without parser) took 254040.01 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -187.6 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-08-08 14:09:27,341 INFO L168 Benchmark]: CDTParser took 0.20 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 14:09:27,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3458.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-08-08 14:09:27,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 351.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-08-08 14:09:27,345 INFO L168 Benchmark]: Boogie Preprocessor took 1460.62 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 984.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-08-08 14:09:27,346 INFO L168 Benchmark]: RCFGBuilder took 13388.12 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 168.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 79.4 MB). Peak memory consumption was 746.4 MB. Max. memory is 7.1 GB. [2018-08-08 14:09:27,349 INFO L168 Benchmark]: TraceAbstraction took 235376.58 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 649.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-08-08 14:09:27,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 3458.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 351.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1460.62 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 984.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13388.12 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 168.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 79.4 MB). Peak memory consumption was 746.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 235376.58 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 649.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was analyzing trace of length 292 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 10 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 235.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 172.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3739 SDtfs, 6253 SDslu, 2257 SDs, 0 SdLazy, 27697 SolverSat, 3122 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 162.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 447 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4337occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 49.4s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9953823069820297 AbsIntWeakeningRatio, 0.10803324099722991 AbsIntAvgWeakeningVarsNumRemoved, 357.1842105263158 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 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/Problem13_label57_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_14-09-27-384.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label57_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_14-09-27-384.csv Completed graceful shutdown