java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:20:11,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:20:11,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:20:11,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:20:11,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:20:11,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:20:11,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:20:11,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:20:11,536 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:20:11,537 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:20:11,538 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:20:11,538 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:20:11,539 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:20:11,540 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:20:11,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:20:11,543 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:20:11,544 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:20:11,551 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:20:11,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:20:11,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:20:11,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:20:11,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:20:11,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 03:20:11,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 03:20:11,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 03:20:11,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 03:20:11,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 03:20:11,576 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 03:20:11,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 03:20:11,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 03:20:11,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 03:20:11,582 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 03:20:11,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:20:11,583 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:20:11,584 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:20:11,585 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:20:11,585 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:20:11,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:20:11,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:20:11,605 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:20:11,606 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:20:11,606 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:20:11,606 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:20:11,606 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:20:11,607 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:20:11,607 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:20:11,607 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:20:11,607 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:20:11,607 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:20:11,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:20:11,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:20:11,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:20:11,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:20:11,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:20:11,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:20:11,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:20:11,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:20:11,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:20:11,610 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:20:11,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:20:11,610 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:20:11,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:20:11,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:20:11,611 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:20:11,611 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:20:11,612 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:20:11,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:20:11,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:20:11,612 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:20:11,612 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:20:11,613 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:20:11,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:20:11,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:20:11,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:20:11,688 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:20:11,688 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:20:11,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c [2018-11-07 03:20:11,752 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad8f738/d84fd1cea22c4c59b845f1bc30ad853c/FLAG41dc689b1 [2018-11-07 03:20:12,550 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:20:12,552 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c [2018-11-07 03:20:12,590 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad8f738/d84fd1cea22c4c59b845f1bc30ad853c/FLAG41dc689b1 [2018-11-07 03:20:12,608 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ad8f738/d84fd1cea22c4c59b845f1bc30ad853c [2018-11-07 03:20:12,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:20:12,625 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:20:12,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:20:12,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:20:12,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:20:12,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:20:12" (1/1) ... [2018-11-07 03:20:12,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56927dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:12, skipping insertion in model container [2018-11-07 03:20:12,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:20:12" (1/1) ... [2018-11-07 03:20:12,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:20:12,848 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:20:14,445 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:20:14,450 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:20:15,269 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:20:15,312 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:20:15,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15 WrapperNode [2018-11-07 03:20:15,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:20:15,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:20:15,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:20:15,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:20:15,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:15,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:15,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:20:15,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:20:15,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:20:15,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:20:15,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:15,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:15,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:15,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:15,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:16,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:16,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... [2018-11-07 03:20:16,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:20:16,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:20:16,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:20:16,112 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:20:16,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:20:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:20:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:20:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:20:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 03:20:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 03:20:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 03:20:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 03:20:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:20:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:20:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:20:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:20:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:20:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:20:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:20:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:20:27,159 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:20:27,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:20:27 BoogieIcfgContainer [2018-11-07 03:20:27,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:20:27,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:20:27,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:20:27,166 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:20:27,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:20:12" (1/3) ... [2018-11-07 03:20:27,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee13983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:20:27, skipping insertion in model container [2018-11-07 03:20:27,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:20:15" (2/3) ... [2018-11-07 03:20:27,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee13983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:20:27, skipping insertion in model container [2018-11-07 03:20:27,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:20:27" (3/3) ... [2018-11-07 03:20:27,170 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label42_true-unreach-call.c [2018-11-07 03:20:27,181 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:20:27,192 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:20:27,210 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:20:27,259 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:20:27,259 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:20:27,260 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:20:27,260 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:20:27,260 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:20:27,260 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:20:27,260 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:20:27,260 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:20:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 03:20:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-07 03:20:27,327 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:20:27,328 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:20:27,331 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:20:27,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:20:27,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1770921932, now seen corresponding path program 1 times [2018-11-07 03:20:27,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:20:27,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:27,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:20:27,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:27,399 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:20:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:20:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:20:27,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:20:27,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:20:27,978 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:20:27,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:20:28,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:20:28,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:20:28,005 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-11-07 03:20:42,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:20:42,027 INFO L93 Difference]: Finished difference Result 4105 states and 7669 transitions. [2018-11-07 03:20:42,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:20:42,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-11-07 03:20:42,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:20:42,078 INFO L225 Difference]: With dead ends: 4105 [2018-11-07 03:20:42,079 INFO L226 Difference]: Without dead ends: 2979 [2018-11-07 03:20:42,093 INFO L604 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 [2018-11-07 03:20:42,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2018-11-07 03:20:42,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2849. [2018-11-07 03:20:42,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2849 states. [2018-11-07 03:20:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 5075 transitions. [2018-11-07 03:20:42,311 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 5075 transitions. Word has length 72 [2018-11-07 03:20:42,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:20:42,313 INFO L480 AbstractCegarLoop]: Abstraction has 2849 states and 5075 transitions. [2018-11-07 03:20:42,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:20:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 5075 transitions. [2018-11-07 03:20:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 03:20:42,337 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:20:42,337 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:20:42,337 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:20:42,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:20:42,341 INFO L82 PathProgramCache]: Analyzing trace with hash -646362735, now seen corresponding path program 1 times [2018-11-07 03:20:42,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:20:42,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:42,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:20:42,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:42,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:20:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:20:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:20:42,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:20:42,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:20:42,733 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:20:42,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:20:42,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:20:42,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:20:42,736 INFO L87 Difference]: Start difference. First operand 2849 states and 5075 transitions. Second operand 6 states. [2018-11-07 03:20:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:20:54,331 INFO L93 Difference]: Finished difference Result 8249 states and 15059 transitions. [2018-11-07 03:20:54,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:20:54,334 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-07 03:20:54,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:20:54,372 INFO L225 Difference]: With dead ends: 8249 [2018-11-07 03:20:54,372 INFO L226 Difference]: Without dead ends: 5406 [2018-11-07 03:20:54,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:20:54,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2018-11-07 03:20:54,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 5361. [2018-11-07 03:20:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5361 states. [2018-11-07 03:20:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5361 states to 5361 states and 8751 transitions. [2018-11-07 03:20:54,544 INFO L78 Accepts]: Start accepts. Automaton has 5361 states and 8751 transitions. Word has length 143 [2018-11-07 03:20:54,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:20:54,545 INFO L480 AbstractCegarLoop]: Abstraction has 5361 states and 8751 transitions. [2018-11-07 03:20:54,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:20:54,545 INFO L276 IsEmpty]: Start isEmpty. Operand 5361 states and 8751 transitions. [2018-11-07 03:20:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 03:20:54,550 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:20:54,550 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:20:54,551 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:20:54,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:20:54,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1327608448, now seen corresponding path program 1 times [2018-11-07 03:20:54,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:20:54,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:54,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:20:54,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:20:54,553 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:20:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:20:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:20:54,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:20:54,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:20:54,821 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:20:54,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:20:54,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:20:54,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:20:54,823 INFO L87 Difference]: Start difference. First operand 5361 states and 8751 transitions. Second operand 6 states. [2018-11-07 03:21:04,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:21:04,803 INFO L93 Difference]: Finished difference Result 18313 states and 30872 transitions. [2018-11-07 03:21:04,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:21:04,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-11-07 03:21:04,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:21:04,896 INFO L225 Difference]: With dead ends: 18313 [2018-11-07 03:21:04,896 INFO L226 Difference]: Without dead ends: 12958 [2018-11-07 03:21:04,940 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:21:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12958 states. [2018-11-07 03:21:05,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12958 to 12892. [2018-11-07 03:21:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12892 states. [2018-11-07 03:21:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12892 states to 12892 states and 19346 transitions. [2018-11-07 03:21:05,400 INFO L78 Accepts]: Start accepts. Automaton has 12892 states and 19346 transitions. Word has length 146 [2018-11-07 03:21:05,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:21:05,401 INFO L480 AbstractCegarLoop]: Abstraction has 12892 states and 19346 transitions. [2018-11-07 03:21:05,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:21:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 12892 states and 19346 transitions. [2018-11-07 03:21:05,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-07 03:21:05,419 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:21:05,420 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 03:21:05,420 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:21:05,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:21:05,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2095905532, now seen corresponding path program 1 times [2018-11-07 03:21:05,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:21:05,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:21:05,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:21:05,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:21:05,423 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:21:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:21:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 130 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 03:21:06,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:21:06,018 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:21:06,020 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-07 03:21:06,023 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3091], [3099], [3103], [3105], [3108], [3116], [3121], [3125], [3128], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3171], [3176], [3178], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 03:21:06,127 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:21:06,127 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:21:09,358 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:21:09,360 INFO L272 AbstractInterpreter]: Visited 86 different actions 86 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 03:21:09,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:21:09,371 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:21:13,745 INFO L227 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 72.18% of their original sizes. [2018-11-07 03:21:13,745 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:21:15,274 INFO L415 sIntCurrentIteration]: We unified 226 AI predicates to 226 [2018-11-07 03:21:15,274 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:21:15,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:21:15,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-07 03:21:15,276 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:21:15,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 03:21:15,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 03:21:15,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:21:15,281 INFO L87 Difference]: Start difference. First operand 12892 states and 19346 transitions. Second operand 10 states. [2018-11-07 03:21:31,232 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 03:23:52,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 03:23:52,227 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:23:52,232 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:23:52,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:23:52 BoogieIcfgContainer [2018-11-07 03:23:52,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:23:52,233 INFO L168 Benchmark]: Toolchain (without parser) took 219609.66 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 293.9 MB. Max. memory is 7.1 GB. [2018-11-07 03:23:52,235 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:23:52,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2686.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:23:52,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 471.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 810.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-07 03:23:52,238 INFO L168 Benchmark]: Boogie Preprocessor took 325.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2018-11-07 03:23:52,239 INFO L168 Benchmark]: RCFGBuilder took 11049.56 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 172.0 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 12.1 MB). Peak memory consumption was 668.8 MB. Max. memory is 7.1 GB. [2018-11-07 03:23:52,240 INFO L168 Benchmark]: TraceAbstraction took 205070.86 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB. [2018-11-07 03:23:52,246 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2686.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 471.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 810.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 325.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11049.56 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 172.0 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 12.1 MB). Peak memory consumption was 668.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205070.86 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 207]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 207). Cancelled while BasicCegarLoop was constructing difference of abstraction (12892states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (8204 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 204.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 192.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1602 SDtfs, 11341 SDslu, 1534 SDs, 0 SdLazy, 16680 SolverSat, 4831 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 138.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 255 GetRequests, 226 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12892occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9958883594281824 AbsIntWeakeningRatio, 0.13274336283185842 AbsIntAvgWeakeningVarsNumRemoved, 26.853982300884955 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 241 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 584 ConstructedInterpolants, 0 QuantifiedInterpolants, 234481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 265/332 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown