java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:39:24,066 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:39:24,068 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:39:24,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:39:24,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:39:24,081 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:39:24,082 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:39:24,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:39:24,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:39:24,086 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:39:24,087 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:39:24,087 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:39:24,088 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:39:24,089 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:39:24,090 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:39:24,091 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:39:24,092 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:39:24,094 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:39:24,095 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:39:24,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:39:24,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:39:24,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:39:24,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:39:24,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:39:24,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:39:24,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:39:24,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:39:24,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:39:24,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:39:24,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:39:24,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:39:24,107 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 22:39:24,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:39:24,108 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:39:24,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:39:24,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:39:24,110 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 22:39:24,125 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:39:24,126 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:39:24,126 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:39:24,127 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:39:24,127 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:39:24,127 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:39:24,127 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:39:24,127 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:39:24,128 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:39:24,128 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:39:24,128 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:39:24,128 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:39:24,129 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:39:24,129 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:39:24,129 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:39:24,129 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:39:24,129 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:39:24,130 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:39:24,130 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:39:24,130 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:39:24,130 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:39:24,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:39:24,131 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:39:24,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:39:24,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:39:24,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:39:24,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:39:24,132 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:39:24,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:39:24,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:39:24,132 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:39:24,132 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:39:24,133 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:39:24,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:39:24,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:39:24,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:39:24,229 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:39:24,230 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:39:24,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label21_true-unreach-call.c [2018-07-23 22:39:24,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bd16b89/84c8818d894240dbbc66fc01ad9f0b96/FLAG5e455cc51 [2018-07-23 22:39:24,959 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:39:24,960 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label21_true-unreach-call.c [2018-07-23 22:39:24,985 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bd16b89/84c8818d894240dbbc66fc01ad9f0b96/FLAG5e455cc51 [2018-07-23 22:39:25,004 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bd16b89/84c8818d894240dbbc66fc01ad9f0b96 [2018-07-23 22:39:25,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:39:25,018 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:39:25,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:39:25,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:39:25,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:39:25,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:39:25" (1/1) ... [2018-07-23 22:39:25,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec00d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:25, skipping insertion in model container [2018-07-23 22:39:25,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:39:25" (1/1) ... [2018-07-23 22:39:25,288 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:39:25,955 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:39:25,985 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:39:26,289 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:39:26,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26 WrapperNode [2018-07-23 22:39:26,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:39:26,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:39:26,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:39:26,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:39:26,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:26,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:26,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:39:26,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:39:26,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:39:26,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:39:27,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:27,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:27,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:27,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:27,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:27,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:27,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (1/1) ... [2018-07-23 22:39:27,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:39:27,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:39:27,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:39:27,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:39:27,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (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 [2018-07-23 22:39:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:39:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:39:27,402 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 [2018-07-23 22:39:27,402 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 [2018-07-23 22:39:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:39:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:39:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:39:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:39:27,403 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 [2018-07-23 22:39:27,403 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 [2018-07-23 22:39:34,848 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:39:34,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:39:34 BoogieIcfgContainer [2018-07-23 22:39:34,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:39:34,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:39:34,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:39:34,854 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:39:34,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:39:25" (1/3) ... [2018-07-23 22:39:34,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50526f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:39:34, skipping insertion in model container [2018-07-23 22:39:34,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:39:26" (2/3) ... [2018-07-23 22:39:34,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50526f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:39:34, skipping insertion in model container [2018-07-23 22:39:34,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:39:34" (3/3) ... [2018-07-23 22:39:34,861 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label21_true-unreach-call.c [2018-07-23 22:39:34,872 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:39:34,881 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:39:34,939 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:39:34,940 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:39:34,940 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:39:34,940 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:39:34,941 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:39:34,941 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:39:34,941 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:39:34,941 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:39:34,941 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:39:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-23 22:39:34,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 22:39:34,984 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:39:34,986 INFO L353 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] [2018-07-23 22:39:34,986 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:39:34,994 INFO L82 PathProgramCache]: Analyzing trace with hash 461623073, now seen corresponding path program 1 times [2018-07-23 22:39:34,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:39:35,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:35,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:39:35,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:35,043 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:39:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:39:35,560 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-23 22:39:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:39:35,635 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:39:35,636 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:39:35,636 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:39:35,642 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:39:35,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:39:35,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:39:35,663 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-23 22:39:43,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:39:43,259 INFO L93 Difference]: Finished difference Result 1550 states and 2835 transitions. [2018-07-23 22:39:43,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:39:43,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-07-23 22:39:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:39:43,292 INFO L225 Difference]: With dead ends: 1550 [2018-07-23 22:39:43,292 INFO L226 Difference]: Without dead ends: 1106 [2018-07-23 22:39:43,304 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:39:43,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2018-07-23 22:39:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 762. [2018-07-23 22:39:43,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-07-23 22:39:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1263 transitions. [2018-07-23 22:39:43,423 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1263 transitions. Word has length 67 [2018-07-23 22:39:43,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:39:43,424 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1263 transitions. [2018-07-23 22:39:43,424 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:39:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1263 transitions. [2018-07-23 22:39:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 22:39:43,437 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:39:43,437 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:39:43,437 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:39:43,438 INFO L82 PathProgramCache]: Analyzing trace with hash -201815948, now seen corresponding path program 1 times [2018-07-23 22:39:43,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:39:43,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:43,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:39:43,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:43,439 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:39:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:39:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:39:43,748 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:39:43,748 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:39:43,748 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:39:43,751 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:39:43,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:39:43,751 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:39:43,751 INFO L87 Difference]: Start difference. First operand 762 states and 1263 transitions. Second operand 5 states. [2018-07-23 22:39:57,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:39:57,425 INFO L93 Difference]: Finished difference Result 2780 states and 4777 transitions. [2018-07-23 22:39:57,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:39:57,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-07-23 22:39:57,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:39:57,448 INFO L225 Difference]: With dead ends: 2780 [2018-07-23 22:39:57,448 INFO L226 Difference]: Without dead ends: 2024 [2018-07-23 22:39:57,457 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:39:57,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2018-07-23 22:39:57,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1995. [2018-07-23 22:39:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1995 states. [2018-07-23 22:39:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 2717 transitions. [2018-07-23 22:39:57,548 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 2717 transitions. Word has length 140 [2018-07-23 22:39:57,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:39:57,548 INFO L471 AbstractCegarLoop]: Abstraction has 1995 states and 2717 transitions. [2018-07-23 22:39:57,549 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:39:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2717 transitions. [2018-07-23 22:39:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 22:39:57,555 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:39:57,555 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:39:57,556 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:39:57,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1228865404, now seen corresponding path program 1 times [2018-07-23 22:39:57,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:39:57,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:57,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:39:57,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:39:57,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:39:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:39:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:39:57,720 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:39:57,720 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:39:57,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:39:57,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:39:57,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:39:57,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:39:57,722 INFO L87 Difference]: Start difference. First operand 1995 states and 2717 transitions. Second operand 4 states. [2018-07-23 22:40:03,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:40:04,000 INFO L93 Difference]: Finished difference Result 7271 states and 10172 transitions. [2018-07-23 22:40:04,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:40:04,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2018-07-23 22:40:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:40:04,038 INFO L225 Difference]: With dead ends: 7271 [2018-07-23 22:40:04,038 INFO L226 Difference]: Without dead ends: 5282 [2018-07-23 22:40:04,055 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:40:04,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5282 states. [2018-07-23 22:40:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5282 to 5280. [2018-07-23 22:40:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5280 states. [2018-07-23 22:40:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5280 states to 5280 states and 6751 transitions. [2018-07-23 22:40:04,216 INFO L78 Accepts]: Start accepts. Automaton has 5280 states and 6751 transitions. Word has length 148 [2018-07-23 22:40:04,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:40:04,217 INFO L471 AbstractCegarLoop]: Abstraction has 5280 states and 6751 transitions. [2018-07-23 22:40:04,218 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:40:04,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5280 states and 6751 transitions. [2018-07-23 22:40:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 22:40:04,236 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:40:04,237 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:40:04,237 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:40:04,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1045148576, now seen corresponding path program 1 times [2018-07-23 22:40:04,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:40:04,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:04,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:40:04,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:40:04,239 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:40:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:40:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 63 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 22:40:04,572 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:40:04,572 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:40:04,573 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-07-23 22:40:04,575 INFO L201 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], [437], [439], [442], [450], [458], [466], [474], [482], [490], [494], [495], [499], [510], [513], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:40:04,637 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:40:04,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:42:09,910 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:42:09,911 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 22:42:09,928 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:43:23,990 INFO L232 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 78.47% of their original sizes. [2018-07-23 22:43:23,990 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:43:24,321 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:43:24,322 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:43:24,323 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 22:43:24,323 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:43:24,324 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 22:43:24,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 22:43:24,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 22:43:24,324 INFO L87 Difference]: Start difference. First operand 5280 states and 6751 transitions. Second operand 7 states. [2018-07-23 22:43:30,335 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:43:41,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:43:41,617 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:43:41,624 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:43:41,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:43:41 BoogieIcfgContainer [2018-07-23 22:43:41,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:43:41,627 INFO L168 Benchmark]: Toolchain (without parser) took 256609.75 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -503.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-07-23 22:43:41,629 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-07-23 22:43:41,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1397.15 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:41,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 237.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:41,632 INFO L168 Benchmark]: Boogie Preprocessor took 673.08 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 897.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:41,633 INFO L168 Benchmark]: RCFGBuilder took 7520.78 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 337.8 MB). Peak memory consumption was 337.8 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:41,634 INFO L168 Benchmark]: TraceAbstraction took 246775.97 ms. Allocated memory was 2.4 GB in the beginning and 3.3 GB in the end (delta: 831.5 MB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 48.6 MB). Peak memory consumption was 880.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:43:41,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1397.15 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 237.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 673.08 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 897.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7520.78 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 337.8 MB). Peak memory consumption was 337.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246775.97 ms. Allocated memory was 2.4 GB in the beginning and 3.3 GB in the end (delta: 831.5 MB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 48.6 MB). Peak memory consumption was 880.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 187]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 187). Cancelled while BasicCegarLoop was constructing difference of abstraction (5280states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (1579 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 246.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 44.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1172 SDtfs, 3055 SDslu, 772 SDs, 0 SdLazy, 7170 SolverSat, 1667 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 35.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 230 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5280occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 125.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.995171971430553 AbsIntWeakeningRatio, 0.12440191387559808 AbsIntAvgWeakeningVarsNumRemoved, 889.4545454545455 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 375 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 303785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 247/310 InterpolantCoveringCapability, 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_label21_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-43-41-667.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label21_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-43-41-667.csv Completed graceful shutdown