java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label46_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 05:20:57,823 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 05:20:57,825 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 05:20:57,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 05:20:57,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 05:20:57,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 05:20:57,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 05:20:57,852 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 05:20:57,853 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 05:20:57,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 05:20:57,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 05:20:57,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 05:20:57,857 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 05:20:57,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 05:20:57,862 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 05:20:57,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 05:20:57,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 05:20:57,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 05:20:57,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 05:20:57,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 05:20:57,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 05:20:57,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 05:20:57,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 05:20:57,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 05:20:57,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 05:20:57,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 05:20:57,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 05:20:57,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 05:20:57,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 05:20:57,898 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 05:20:57,898 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 05:20:57,898 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 05:20:57,899 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 05:20:57,899 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 05:20:57,902 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 05:20:57,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 05:20:57,903 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 05:20:57,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 05:20:57,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 05:20:57,935 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 05:20:57,935 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 05:20:57,935 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 05:20:57,936 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 05:20:57,936 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 05:20:57,936 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 05:20:57,936 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 05:20:57,936 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 05:20:57,936 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 05:20:57,937 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 05:20:57,937 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 05:20:57,938 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 05:20:57,938 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 05:20:57,938 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 05:20:57,938 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 05:20:57,938 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 05:20:57,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 05:20:57,939 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 05:20:57,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 05:20:57,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 05:20:57,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 05:20:57,940 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 05:20:57,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 05:20:57,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 05:20:57,941 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 05:20:57,941 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 05:20:57,941 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 05:20:57,942 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 05:20:57,942 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 05:20:57,942 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 05:20:57,942 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 05:20:57,942 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 05:20:57,942 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 05:20:57,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 05:20:58,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 05:20:58,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 05:20:58,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 05:20:58,020 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 05:20:58,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label46_false-unreach-call.c [2018-07-21 05:20:58,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e158687/c53cac626dea4c76b310d5275b3fb49b/FLAGde4f28632 [2018-07-21 05:20:58,854 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 05:20:58,855 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label46_false-unreach-call.c [2018-07-21 05:20:58,892 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e158687/c53cac626dea4c76b310d5275b3fb49b/FLAGde4f28632 [2018-07-21 05:20:58,913 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e158687/c53cac626dea4c76b310d5275b3fb49b [2018-07-21 05:20:58,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 05:20:58,932 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 05:20:58,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 05:20:58,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 05:20:58,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 05:20:58,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:20:58" (1/1) ... [2018-07-21 05:20:58,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b00e878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:20:58, skipping insertion in model container [2018-07-21 05:20:58,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:20:58" (1/1) ... [2018-07-21 05:20:59,283 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 05:21:00,272 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 05:21:00,291 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 05:21:01,051 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 05:21:01,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01 WrapperNode [2018-07-21 05:21:01,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 05:21:01,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 05:21:01,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 05:21:01,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 05:21:01,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:01,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:01,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 05:21:01,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 05:21:01,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 05:21:01,638 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 05:21:01,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:01,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:01,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:01,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:01,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:02,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:02,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... [2018-07-21 05:21:02,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 05:21:02,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 05:21:02,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 05:21:02,732 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 05:21:02,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 05:21:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 05:21:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 05:21:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 05:21:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 05:21:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 05:21:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 05:21:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 05:21:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 05:21:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 05:21:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 05:21:15,490 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 05:21:15,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:21:15 BoogieIcfgContainer [2018-07-21 05:21:15,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 05:21:15,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 05:21:15,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 05:21:15,496 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 05:21:15,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:20:58" (1/3) ... [2018-07-21 05:21:15,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21719673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:21:15, skipping insertion in model container [2018-07-21 05:21:15,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:21:01" (2/3) ... [2018-07-21 05:21:15,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21719673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:21:15, skipping insertion in model container [2018-07-21 05:21:15,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:21:15" (3/3) ... [2018-07-21 05:21:15,500 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label46_false-unreach-call.c [2018-07-21 05:21:15,510 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 05:21:15,522 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 05:21:15,584 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 05:21:15,585 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 05:21:15,585 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 05:21:15,585 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 05:21:15,586 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 05:21:15,586 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 05:21:15,586 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 05:21:15,586 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 05:21:15,586 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 05:21:15,622 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-07-21 05:21:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-21 05:21:15,629 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 05:21:15,631 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 05:21:15,631 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 05:21:15,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1452934838, now seen corresponding path program 1 times [2018-07-21 05:21:15,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 05:21:15,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:15,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 05:21:15,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:15,693 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 05:21:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 05:21:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 05:21:16,082 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 05:21:16,082 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 05:21:16,082 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 05:21:16,087 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 05:21:16,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 05:21:16,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 05:21:16,106 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-07-21 05:21:24,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 05:21:24,751 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-07-21 05:21:24,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 05:21:24,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-07-21 05:21:24,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 05:21:24,787 INFO L225 Difference]: With dead ends: 2162 [2018-07-21 05:21:24,787 INFO L226 Difference]: Without dead ends: 1552 [2018-07-21 05:21:24,800 INFO L578 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 [2018-07-21 05:21:24,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-07-21 05:21:24,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-07-21 05:21:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-07-21 05:21:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-07-21 05:21:24,957 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 17 [2018-07-21 05:21:24,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 05:21:24,958 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-07-21 05:21:24,958 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 05:21:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-07-21 05:21:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-21 05:21:24,964 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 05:21:24,964 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 05:21:24,965 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 05:21:24,965 INFO L82 PathProgramCache]: Analyzing trace with hash -2132873391, now seen corresponding path program 1 times [2018-07-21 05:21:24,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 05:21:24,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:24,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 05:21:24,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:24,967 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 05:21:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 05:21:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 05:21:25,244 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 05:21:25,244 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 05:21:25,244 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 05:21:25,246 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 05:21:25,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 05:21:25,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-21 05:21:25,249 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 5 states. [2018-07-21 05:21:43,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 05:21:43,291 INFO L93 Difference]: Finished difference Result 5717 states and 10451 transitions. [2018-07-21 05:21:43,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-21 05:21:43,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2018-07-21 05:21:43,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 05:21:43,325 INFO L225 Difference]: With dead ends: 5717 [2018-07-21 05:21:43,326 INFO L226 Difference]: Without dead ends: 4198 [2018-07-21 05:21:43,340 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 05:21:43,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2018-07-21 05:21:43,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 4162. [2018-07-21 05:21:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4162 states. [2018-07-21 05:21:43,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 4162 states and 6148 transitions. [2018-07-21 05:21:43,526 INFO L78 Accepts]: Start accepts. Automaton has 4162 states and 6148 transitions. Word has length 96 [2018-07-21 05:21:43,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 05:21:43,527 INFO L471 AbstractCegarLoop]: Abstraction has 4162 states and 6148 transitions. [2018-07-21 05:21:43,527 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 05:21:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4162 states and 6148 transitions. [2018-07-21 05:21:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-21 05:21:43,532 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 05:21:43,532 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 05:21:43,532 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 05:21:43,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1899746839, now seen corresponding path program 1 times [2018-07-21 05:21:43,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 05:21:43,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:43,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 05:21:43,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:43,537 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 05:21:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 05:21:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 05:21:43,761 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 05:21:43,762 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 05:21:43,762 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 05:21:43,762 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 05:21:43,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 05:21:43,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 05:21:43,763 INFO L87 Difference]: Start difference. First operand 4162 states and 6148 transitions. Second operand 6 states. [2018-07-21 05:21:53,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 05:21:53,900 INFO L93 Difference]: Finished difference Result 11130 states and 17284 transitions. [2018-07-21 05:21:53,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 05:21:53,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-07-21 05:21:53,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 05:21:53,949 INFO L225 Difference]: With dead ends: 11130 [2018-07-21 05:21:53,950 INFO L226 Difference]: Without dead ends: 6974 [2018-07-21 05:21:53,968 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 05:21:53,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6974 states. [2018-07-21 05:21:54,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6974 to 6912. [2018-07-21 05:21:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6912 states. [2018-07-21 05:21:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6912 states to 6912 states and 9993 transitions. [2018-07-21 05:21:54,215 INFO L78 Accepts]: Start accepts. Automaton has 6912 states and 9993 transitions. Word has length 97 [2018-07-21 05:21:54,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 05:21:54,217 INFO L471 AbstractCegarLoop]: Abstraction has 6912 states and 9993 transitions. [2018-07-21 05:21:54,217 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 05:21:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 6912 states and 9993 transitions. [2018-07-21 05:21:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-21 05:21:54,230 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 05:21:54,230 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 05:21:54,230 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 05:21:54,234 INFO L82 PathProgramCache]: Analyzing trace with hash 874142174, now seen corresponding path program 1 times [2018-07-21 05:21:54,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 05:21:54,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:54,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 05:21:54,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 05:21:54,236 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 05:21:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 05:21:54,599 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 05:21:54,646 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-07-21 05:21:54,647 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 05:21:54,647 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 05:21:54,648 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-07-21 05:21:54,650 INFO L201 CegarAbsIntRunner]: [0], [1], [714], [718], [724], [728], [730], [735], [742], [750], [758], [766], [770], [772], [775], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1207], [1215], [1223], [1228], [1232], [1236], [1240], [1244], [1247], [1248], [1252], [1256], [1260], [1263], [2303], [2304], [2305], [2306], [2308], [2309] [2018-07-21 05:21:54,739 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 05:21:54,740 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 05:22:00,446 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 05:22:18,392 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 05:22:18,394 INFO L272 AbstractInterpreter]: Visited 87 different actions 248 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-07-21 05:22:18,415 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 05:22:28,350 INFO L232 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 75.09% of their original sizes. [2018-07-21 05:22:28,351 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 05:22:55,291 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 05:22:55,292 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 05:22:55,292 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [41] imperfect sequences [6] total 45 [2018-07-21 05:22:55,293 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 05:22:55,293 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-21 05:22:55,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-21 05:22:55,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=1045, Unknown=0, NotChecked=0, Total=1640 [2018-07-21 05:22:55,297 INFO L87 Difference]: Start difference. First operand 6912 states and 9993 transitions. Second operand 41 states. Received shutdown request... [2018-07-21 05:24:36,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-21 05:24:36,003 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 05:24:36,011 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 05:24:36,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:24:36 BoogieIcfgContainer [2018-07-21 05:24:36,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 05:24:36,012 INFO L168 Benchmark]: Toolchain (without parser) took 217085.76 ms. Allocated memory was 304.1 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 241.0 MB in the beginning and 154.8 MB in the end (delta: 86.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 5.3 GB. [2018-07-21 05:24:36,013 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 304.1 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 05:24:36,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2353.26 ms. Allocated memory was 304.1 MB in the beginning and 334.5 MB in the end (delta: 30.4 MB). Free memory was 241.0 MB in the beginning and 166.1 MB in the end (delta: 74.9 MB). Peak memory consumption was 105.3 MB. Max. memory is 5.3 GB. [2018-07-21 05:24:36,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 349.80 ms. Allocated memory was 334.5 MB in the beginning and 395.3 MB in the end (delta: 60.8 MB). Free memory was 166.1 MB in the beginning and 285.6 MB in the end (delta: -119.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-07-21 05:24:36,015 INFO L168 Benchmark]: Boogie Preprocessor took 1093.59 ms. Allocated memory was 395.3 MB in the beginning and 579.9 MB in the end (delta: 184.5 MB). Free memory was 285.6 MB in the beginning and 487.2 MB in the end (delta: -201.6 MB). Peak memory consumption was 64.7 MB. Max. memory is 5.3 GB. [2018-07-21 05:24:36,015 INFO L168 Benchmark]: RCFGBuilder took 12759.43 ms. Allocated memory was 579.9 MB in the beginning and 689.4 MB in the end (delta: 109.6 MB). Free memory was 487.2 MB in the beginning and 485.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 208.7 MB. Max. memory is 5.3 GB. [2018-07-21 05:24:36,016 INFO L168 Benchmark]: TraceAbstraction took 200519.59 ms. Allocated memory was 689.4 MB in the beginning and 2.3 GB in the end (delta: 1.6 GB). Free memory was 480.0 MB in the beginning and 154.8 MB in the end (delta: 325.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. [2018-07-21 05:24:36,020 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 304.1 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 2353.26 ms. Allocated memory was 304.1 MB in the beginning and 334.5 MB in the end (delta: 30.4 MB). Free memory was 241.0 MB in the beginning and 166.1 MB in the end (delta: 74.9 MB). Peak memory consumption was 105.3 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 349.80 ms. Allocated memory was 334.5 MB in the beginning and 395.3 MB in the end (delta: 60.8 MB). Free memory was 166.1 MB in the beginning and 285.6 MB in the end (delta: -119.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 1093.59 ms. Allocated memory was 395.3 MB in the beginning and 579.9 MB in the end (delta: 184.5 MB). Free memory was 285.6 MB in the beginning and 487.2 MB in the end (delta: -201.6 MB). Peak memory consumption was 64.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 12759.43 ms. Allocated memory was 579.9 MB in the beginning and 689.4 MB in the end (delta: 109.6 MB). Free memory was 487.2 MB in the beginning and 485.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 208.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 200519.59 ms. Allocated memory was 689.4 MB in the beginning and 2.3 GB in the end (delta: 1.6 GB). Free memory was 480.0 MB in the beginning and 154.8 MB in the end (delta: 325.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 38). Cancelled while BasicCegarLoop was constructing difference of abstraction (6912states) and interpolant automaton (currently 13 states, 41 states before enhancement), while ReachableStatesComputation was computing reachable states (3363 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 200.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 137.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 844 SDtfs, 11996 SDslu, 1197 SDs, 0 SdLazy, 10697 SolverSat, 2722 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 91.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 202 GetRequests, 120 SyntacticMatches, 21 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 28.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6912occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 23.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9933755656108596 AbsIntWeakeningRatio, 0.1588235294117647 AbsIntAvgWeakeningVarsNumRemoved, 180.11764705882354 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 125 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 149129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 110/115 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem17_label46_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_05-24-36-034.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem17_label46_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_05-24-36-034.csv Completed graceful shutdown