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/Problem14_label34_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 03:49:52,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 03:49:52,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 03:49:52,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 03:49:52,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 03:49:52,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 03:49:52,468 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 03:49:52,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 03:49:52,472 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 03:49:52,473 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 03:49:52,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 03:49:52,474 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 03:49:52,475 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 03:49:52,476 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 03:49:52,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 03:49:52,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 03:49:52,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 03:49:52,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 03:49:52,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 03:49:52,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 03:49:52,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 03:49:52,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 03:49:52,502 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 03:49:52,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 03:49:52,503 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 03:49:52,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 03:49:52,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 03:49:52,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 03:49:52,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 03:49:52,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 03:49:52,508 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 03:49:52,508 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-21 03:49:52,510 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 03:49:52,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 03:49:52,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 03:49:52,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 03:49:52,527 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 03:49:52,527 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 03:49:52,527 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 03:49:52,527 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 03:49:52,528 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 03:49:52,528 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 03:49:52,528 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 03:49:52,528 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 03:49:52,528 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 03:49:52,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 03:49:52,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 03:49:52,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 03:49:52,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 03:49:52,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 03:49:52,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 03:49:52,530 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 03:49:52,530 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 03:49:52,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 03:49:52,531 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 03:49:52,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 03:49:52,531 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 03:49:52,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 03:49:52,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 03:49:52,532 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 03:49:52,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 03:49:52,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 03:49:52,534 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 03:49:52,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 03:49:52,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 03:49:52,534 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 03:49:52,535 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 03:49:52,535 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 03:49:52,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 03:49:52,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 03:49:52,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 03:49:52,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 03:49:52,596 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 03:49:52,597 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label34_false-unreach-call_false-termination.c [2018-07-21 03:49:52,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/36c95cbb9/8ee2cffac90e4e008a8758373ca5b8a3/FLAG64909d503 [2018-07-21 03:49:53,233 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 03:49:53,234 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label34_false-unreach-call_false-termination.c [2018-07-21 03:49:53,269 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/36c95cbb9/8ee2cffac90e4e008a8758373ca5b8a3/FLAG64909d503 [2018-07-21 03:49:53,291 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/36c95cbb9/8ee2cffac90e4e008a8758373ca5b8a3 [2018-07-21 03:49:53,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 03:49:53,310 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 03:49:53,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 03:49:53,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 03:49:53,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 03:49:53,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:49:53" (1/1) ... [2018-07-21 03:49:53,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b628d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:53, skipping insertion in model container [2018-07-21 03:49:53,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:49:53" (1/1) ... [2018-07-21 03:49:53,573 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 03:49:53,899 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 03:49:53,919 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 03:49:54,136 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 03:49:54,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54 WrapperNode [2018-07-21 03:49:54,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 03:49:54,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 03:49:54,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 03:49:54,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 03:49:54,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 03:49:54,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 03:49:54,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 03:49:54,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 03:49:54,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (1/1) ... [2018-07-21 03:49:54,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 03:49:54,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 03:49:54,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 03:49:54,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 03:49:54,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (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 03:49:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 03:49:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 03:49:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 03:49:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 03:49:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 03:49:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 03:49:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-21 03:49:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-21 03:49:58,414 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 03:49:58,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:49:58 BoogieIcfgContainer [2018-07-21 03:49:58,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 03:49:58,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 03:49:58,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 03:49:58,419 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 03:49:58,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:49:53" (1/3) ... [2018-07-21 03:49:58,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515431a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:49:58, skipping insertion in model container [2018-07-21 03:49:58,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:49:54" (2/3) ... [2018-07-21 03:49:58,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515431a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:49:58, skipping insertion in model container [2018-07-21 03:49:58,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:49:58" (3/3) ... [2018-07-21 03:49:58,423 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label34_false-unreach-call_false-termination.c [2018-07-21 03:49:58,431 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 03:49:58,439 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 03:49:58,488 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 03:49:58,489 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 03:49:58,489 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 03:49:58,490 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 03:49:58,490 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 03:49:58,490 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 03:49:58,490 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 03:49:58,490 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 03:49:58,490 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 03:49:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-21 03:49:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-21 03:49:58,525 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 03:49:58,526 INFO L358 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] [2018-07-21 03:49:58,527 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 03:49:58,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1708660692, now seen corresponding path program 1 times [2018-07-21 03:49:58,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 03:49:58,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:49:58,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 03:49:58,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:49:58,577 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 03:49:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 03:49:58,967 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 03:49:58,975 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 03:49:58,975 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 03:49:58,975 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 03:49:58,981 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 03:49:58,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 03:49:58,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 03:49:59,000 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-07-21 03:50:00,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 03:50:00,456 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-07-21 03:50:00,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 03:50:00,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-07-21 03:50:00,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 03:50:00,479 INFO L225 Difference]: With dead ends: 691 [2018-07-21 03:50:00,479 INFO L226 Difference]: Without dead ends: 434 [2018-07-21 03:50:00,487 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 03:50:00,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-07-21 03:50:00,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-07-21 03:50:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-07-21 03:50:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 772 transitions. [2018-07-21 03:50:00,569 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 772 transitions. Word has length 34 [2018-07-21 03:50:00,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 03:50:00,570 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 772 transitions. [2018-07-21 03:50:00,570 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 03:50:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 772 transitions. [2018-07-21 03:50:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-21 03:50:00,576 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 03:50:00,576 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:00,576 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 03:50:00,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2090221912, now seen corresponding path program 1 times [2018-07-21 03:50:00,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 03:50:00,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:50:00,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 03:50:00,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:50:00,580 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 03:50:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 03:50:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 03:50:00,782 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 03:50:00,782 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 03:50:00,782 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 03:50:00,785 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 03:50:00,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 03:50:00,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 03:50:00,786 INFO L87 Difference]: Start difference. First operand 434 states and 772 transitions. Second operand 5 states. [2018-07-21 03:50:03,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 03:50:03,638 INFO L93 Difference]: Finished difference Result 1620 states and 3011 transitions. [2018-07-21 03:50:03,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 03:50:03,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2018-07-21 03:50:03,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 03:50:03,657 INFO L225 Difference]: With dead ends: 1620 [2018-07-21 03:50:03,657 INFO L226 Difference]: Without dead ends: 1192 [2018-07-21 03:50:03,662 INFO L578 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 [2018-07-21 03:50:03,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-07-21 03:50:03,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1174. [2018-07-21 03:50:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2018-07-21 03:50:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1812 transitions. [2018-07-21 03:50:03,772 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1812 transitions. Word has length 104 [2018-07-21 03:50:03,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 03:50:03,773 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1812 transitions. [2018-07-21 03:50:03,773 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 03:50:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1812 transitions. [2018-07-21 03:50:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-21 03:50:03,782 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 03:50:03,782 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:03,782 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 03:50:03,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1726782724, now seen corresponding path program 1 times [2018-07-21 03:50:03,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 03:50:03,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:50:03,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 03:50:03,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:50:03,805 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 03:50:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 03:50:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 03:50:04,036 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 03:50:04,037 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 03:50:04,037 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 03:50:04,037 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 03:50:04,038 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 03:50:04,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 03:50:04,038 INFO L87 Difference]: Start difference. First operand 1174 states and 1812 transitions. Second operand 4 states. [2018-07-21 03:50:08,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 03:50:08,522 INFO L93 Difference]: Finished difference Result 4091 states and 6615 transitions. [2018-07-21 03:50:08,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 03:50:08,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-07-21 03:50:08,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 03:50:08,542 INFO L225 Difference]: With dead ends: 4091 [2018-07-21 03:50:08,542 INFO L226 Difference]: Without dead ends: 1820 [2018-07-21 03:50:08,558 INFO L578 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 [2018-07-21 03:50:08,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2018-07-21 03:50:08,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1816. [2018-07-21 03:50:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1816 states. [2018-07-21 03:50:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2733 transitions. [2018-07-21 03:50:08,645 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2733 transitions. Word has length 130 [2018-07-21 03:50:08,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 03:50:08,646 INFO L471 AbstractCegarLoop]: Abstraction has 1816 states and 2733 transitions. [2018-07-21 03:50:08,646 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 03:50:08,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2733 transitions. [2018-07-21 03:50:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-21 03:50:08,658 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 03:50:08,659 INFO L358 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-21 03:50:08,659 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 03:50:08,659 INFO L82 PathProgramCache]: Analyzing trace with hash 869106343, now seen corresponding path program 1 times [2018-07-21 03:50:08,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 03:50:08,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:50:08,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 03:50:08,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:50:08,661 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 03:50:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 03:50:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 03:50:09,237 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 03:50:09,237 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 03:50:09,238 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-07-21 03:50:09,240 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [197], [199], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [574], [972], [973], [974], [975], [977], [978] [2018-07-21 03:50:09,333 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 03:50:09,333 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 03:50:14,307 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 03:50:15,955 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 03:50:15,957 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 03:50:15,983 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 03:50:23,962 INFO L232 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 77.77% of their original sizes. [2018-07-21 03:50:23,962 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 03:50:24,493 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 03:50:24,495 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 03:50:24,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-21 03:50:24,495 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 03:50:24,496 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 03:50:24,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 03:50:24,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 03:50:24,496 INFO L87 Difference]: Start difference. First operand 1816 states and 2733 transitions. Second operand 7 states. [2018-07-21 03:51:18,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 03:51:18,502 INFO L93 Difference]: Finished difference Result 3811 states and 5692 transitions. [2018-07-21 03:51:18,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 03:51:18,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2018-07-21 03:51:18,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 03:51:18,516 INFO L225 Difference]: With dead ends: 3811 [2018-07-21 03:51:18,516 INFO L226 Difference]: Without dead ends: 2001 [2018-07-21 03:51:18,521 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-21 03:51:18,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2018-07-21 03:51:18,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1999. [2018-07-21 03:51:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-07-21 03:51:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 2924 transitions. [2018-07-21 03:51:18,599 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 2924 transitions. Word has length 193 [2018-07-21 03:51:18,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 03:51:18,600 INFO L471 AbstractCegarLoop]: Abstraction has 1999 states and 2924 transitions. [2018-07-21 03:51:18,600 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 03:51:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2924 transitions. [2018-07-21 03:51:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-07-21 03:51:18,610 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 03:51:18,611 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 03:51:18,611 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 03:51:18,611 INFO L82 PathProgramCache]: Analyzing trace with hash 2113833312, now seen corresponding path program 1 times [2018-07-21 03:51:18,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 03:51:18,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:51:18,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 03:51:18,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:51:18,613 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 03:51:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 03:51:19,249 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-21 03:51:19,448 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-21 03:51:19,682 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-21 03:51:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 168 proven. 142 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 03:51:19,981 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 03:51:19,981 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 03:51:19,982 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-07-21 03:51:19,982 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [197], [199], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [574], [575], [578], [972], [973], [974], [975], [977], [978] [2018-07-21 03:51:19,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 03:51:19,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 03:51:23,175 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 03:51:26,469 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 03:51:26,469 INFO L272 AbstractInterpreter]: Visited 94 different actions 184 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 03:51:26,478 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 03:51:30,192 INFO L232 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 77.69% of their original sizes. [2018-07-21 03:51:30,192 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 03:51:34,630 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 03:51:34,630 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 03:51:34,630 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [12] total 24 [2018-07-21 03:51:34,630 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 03:51:34,631 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-21 03:51:34,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-21 03:51:34,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-07-21 03:51:34,632 INFO L87 Difference]: Start difference. First operand 1999 states and 2924 transitions. Second operand 14 states. [2018-07-21 03:52:03,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 03:52:03,129 INFO L93 Difference]: Finished difference Result 4181 states and 6121 transitions. [2018-07-21 03:52:03,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-21 03:52:03,129 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 278 [2018-07-21 03:52:03,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 03:52:03,144 INFO L225 Difference]: With dead ends: 4181 [2018-07-21 03:52:03,144 INFO L226 Difference]: Without dead ends: 2371 [2018-07-21 03:52:03,150 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 205 SyntacticMatches, 60 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2018-07-21 03:52:03,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2018-07-21 03:52:03,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2368. [2018-07-21 03:52:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2018-07-21 03:52:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3310 transitions. [2018-07-21 03:52:03,259 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3310 transitions. Word has length 278 [2018-07-21 03:52:03,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 03:52:03,260 INFO L471 AbstractCegarLoop]: Abstraction has 2368 states and 3310 transitions. [2018-07-21 03:52:03,260 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-21 03:52:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3310 transitions. [2018-07-21 03:52:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-21 03:52:03,269 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 03:52:03,269 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:03,270 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 03:52:03,270 INFO L82 PathProgramCache]: Analyzing trace with hash -523217036, now seen corresponding path program 1 times [2018-07-21 03:52:03,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 03:52:03,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:52:03,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 03:52:03,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:52:03,271 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 03:52:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 03:52:03,627 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-21 03:52:03,886 WARN L169 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-07-21 03:52:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 140 proven. 121 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-07-21 03:52:04,263 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 03:52:04,263 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 03:52:04,263 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-07-21 03:52:04,264 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [197], [199], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [574], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [682], [972], [973], [974], [975], [977], [978] [2018-07-21 03:52:04,269 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 03:52:04,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 03:52:07,739 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 03:52:15,592 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 03:52:15,593 INFO L272 AbstractInterpreter]: Visited 120 different actions 236 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 03:52:15,598 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 03:52:18,879 INFO L232 lantSequenceWeakener]: Weakened 302 states. On average, predicates are now at 77.65% of their original sizes. [2018-07-21 03:52:18,880 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 03:52:20,338 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 03:52:20,339 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 03:52:20,339 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2018-07-21 03:52:20,339 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 03:52:20,339 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-21 03:52:20,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-21 03:52:20,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-07-21 03:52:20,340 INFO L87 Difference]: Start difference. First operand 2368 states and 3310 transitions. Second operand 12 states. [2018-07-21 03:53:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 03:53:00,096 INFO L93 Difference]: Finished difference Result 4366 states and 6272 transitions. [2018-07-21 03:53:00,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 03:53:00,096 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 304 [2018-07-21 03:53:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 03:53:00,109 INFO L225 Difference]: With dead ends: 4366 [2018-07-21 03:53:00,109 INFO L226 Difference]: Without dead ends: 2556 [2018-07-21 03:53:00,115 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 313 GetRequests, 271 SyntacticMatches, 22 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2018-07-21 03:53:00,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2018-07-21 03:53:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2553. [2018-07-21 03:53:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2018-07-21 03:53:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3509 transitions. [2018-07-21 03:53:00,219 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3509 transitions. Word has length 304 [2018-07-21 03:53:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 03:53:00,220 INFO L471 AbstractCegarLoop]: Abstraction has 2553 states and 3509 transitions. [2018-07-21 03:53:00,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-21 03:53:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3509 transitions. [2018-07-21 03:53:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-07-21 03:53:00,231 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 03:53:00,231 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 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] [2018-07-21 03:53:00,232 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 03:53:00,232 INFO L82 PathProgramCache]: Analyzing trace with hash 285301256, now seen corresponding path program 1 times [2018-07-21 03:53:00,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 03:53:00,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:53:00,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 03:53:00,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 03:53:00,234 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 03:53:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 03:53:00,591 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-07-21 03:53:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 219 proven. 53 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-07-21 03:53:01,163 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 03:53:01,163 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 03:53:01,164 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 331 with the following transitions: [2018-07-21 03:53:01,164 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [197], [199], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [682], [972], [973], [974], [975], [977], [978] [2018-07-21 03:53:01,170 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 03:53:01,171 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 03:53:04,459 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 03:53:29,456 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 03:53:29,456 INFO L272 AbstractInterpreter]: Visited 120 different actions 586 times. Merged at 7 different actions 30 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-21 03:53:29,463 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 03:53:31,583 INFO L232 lantSequenceWeakener]: Weakened 328 states. On average, predicates are now at 77.62% of their original sizes. [2018-07-21 03:53:31,583 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 03:53:31,879 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 03:53:31,880 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 03:53:31,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-07-21 03:53:31,880 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 03:53:31,880 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-21 03:53:31,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-21 03:53:31,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-21 03:53:31,881 INFO L87 Difference]: Start difference. First operand 2553 states and 3509 transitions. Second operand 11 states. Received shutdown request... [2018-07-21 03:53:32,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-21 03:53:32,124 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 03:53:32,127 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 03:53:32,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:53:32 BoogieIcfgContainer [2018-07-21 03:53:32,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 03:53:32,129 INFO L168 Benchmark]: Toolchain (without parser) took 218825.42 ms. Allocated memory was 306.7 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 251.2 MB in the beginning and 845.5 MB in the end (delta: -594.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-21 03:53:32,130 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 306.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 03:53:32,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.01 ms. Allocated memory is still 306.7 MB. Free memory was 251.2 MB in the beginning and 205.4 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 5.3 GB. [2018-07-21 03:53:32,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.82 ms. Allocated memory is still 306.7 MB. Free memory was 205.4 MB in the beginning and 195.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-07-21 03:53:32,131 INFO L168 Benchmark]: Boogie Preprocessor took 139.50 ms. Allocated memory is still 306.7 MB. Free memory was 195.4 MB in the beginning and 189.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. [2018-07-21 03:53:32,133 INFO L168 Benchmark]: RCFGBuilder took 3914.98 ms. Allocated memory was 306.7 MB in the beginning and 507.5 MB in the end (delta: 200.8 MB). Free memory was 189.4 MB in the beginning and 466.0 MB in the end (delta: -276.6 MB). Peak memory consumption was 65.5 MB. Max. memory is 5.3 GB. [2018-07-21 03:53:32,134 INFO L168 Benchmark]: TraceAbstraction took 213712.15 ms. Allocated memory was 507.5 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 466.0 MB in the beginning and 845.5 MB in the end (delta: -379.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-21 03:53:32,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 306.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 912.01 ms. Allocated memory is still 306.7 MB. Free memory was 251.2 MB in the beginning and 205.4 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 135.82 ms. Allocated memory is still 306.7 MB. Free memory was 205.4 MB in the beginning and 195.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 139.50 ms. Allocated memory is still 306.7 MB. Free memory was 195.4 MB in the beginning and 189.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 3914.98 ms. Allocated memory was 306.7 MB in the beginning and 507.5 MB in the end (delta: 200.8 MB). Free memory was 189.4 MB in the beginning and 466.0 MB in the end (delta: -276.6 MB). Peak memory consumption was 65.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 213712.15 ms. Allocated memory was 507.5 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 466.0 MB in the beginning and 845.5 MB in the end (delta: -379.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 85). Cancelled while BasicCegarLoop was constructing difference of abstraction (2553states) and interpolant automaton (currently 5 states, 11 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 13 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 213.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 131.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 981 SDtfs, 4383 SDslu, 1081 SDs, 0 SdLazy, 7374 SolverSat, 1058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1143 GetRequests, 991 SyntacticMatches, 84 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2553occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 52.8s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9951740183495895 AbsIntWeakeningRatio, 0.11080835603996367 AbsIntAvgWeakeningVarsNumRemoved, 305.9182561307902 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1373 NumberOfCodeBlocks, 1373 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1366 ConstructedInterpolants, 0 QuantifiedInterpolants, 2309213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 836/1154 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/Problem14_label34_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_03-53-32-151.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label34_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_03-53-32-151.csv Completed graceful shutdown