java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:34:00,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:34:00,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:34:00,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:34:00,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:34:00,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:34:00,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:34:00,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:34:00,578 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:34:00,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:34:00,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:34:00,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:34:00,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:34:00,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:34:00,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:34:00,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:34:00,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:34:00,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:34:00,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:34:00,606 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:34:00,607 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:34:00,608 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:34:00,613 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 12:34:00,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:34:00,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:34:00,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:34:00,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:34:00,627 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 12:34:00,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:34:00,653 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:34:00,654 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:34:00,655 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:34:00,655 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:34:00,655 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:34:00,655 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:34:00,657 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:34:00,657 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:34:00,657 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:34:00,658 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:34:00,658 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:34:00,659 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:34:00,659 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:34:00,659 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:34:00,659 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:34:00,659 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:34:00,660 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:34:00,660 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:34:00,660 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:34:00,660 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:34:00,660 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:34:00,661 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:34:00,661 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:34:00,661 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:34:00,661 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:34:00,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:34:00,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:34:00,664 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:34:00,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:34:00,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:34:00,665 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:34:00,665 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:34:00,666 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:34:00,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:34:00,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:34:00,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:34:00,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:34:00,737 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:34:00,738 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-09-18 12:34:01,093 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35e7dd8e/f7ba0235fb604878bc06e606264755af/FLAG16d8e73e9 [2018-09-18 12:34:01,668 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:34:01,669 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-09-18 12:34:01,715 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35e7dd8e/f7ba0235fb604878bc06e606264755af/FLAG16d8e73e9 [2018-09-18 12:34:01,736 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35e7dd8e/f7ba0235fb604878bc06e606264755af [2018-09-18 12:34:01,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:34:01,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:34:01,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:34:01,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:34:01,762 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:34:01,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:34:01" (1/1) ... [2018-09-18 12:34:01,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ded99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:01, skipping insertion in model container [2018-09-18 12:34:01,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:34:01" (1/1) ... [2018-09-18 12:34:01,780 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:34:03,816 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:34:03,837 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:34:05,079 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:34:05,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05 WrapperNode [2018-09-18 12:34:05,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:34:05,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:34:05,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:34:05,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:34:05,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:05,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:06,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:34:06,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:34:06,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:34:06,027 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:34:07,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:07,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:07,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:07,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:07,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:07,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:07,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (1/1) ... [2018-09-18 12:34:07,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:34:07,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:34:07,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:34:07,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:34:07,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (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 [2018-09-18 12:34:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:34:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:34:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:34:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:34:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:34:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:34:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:34:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:34:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:34:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:34:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:34:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:34:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:34:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:34:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:34:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:34:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:34:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:34:25,640 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:34:25,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:34:25 BoogieIcfgContainer [2018-09-18 12:34:25,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:34:25,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:34:25,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:34:25,645 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:34:25,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:34:01" (1/3) ... [2018-09-18 12:34:25,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c09ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:34:25, skipping insertion in model container [2018-09-18 12:34:25,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:34:05" (2/3) ... [2018-09-18 12:34:25,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c09ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:34:25, skipping insertion in model container [2018-09-18 12:34:25,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:34:25" (3/3) ... [2018-09-18 12:34:25,649 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label40_true-unreach-call.c [2018-09-18 12:34:25,659 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:34:25,670 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:34:25,745 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:34:25,745 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:34:25,746 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:34:25,746 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:34:25,746 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:34:25,746 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:34:25,746 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:34:25,746 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:34:25,746 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:34:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:34:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-18 12:34:25,807 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:25,808 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:34:25,809 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:25,815 INFO L82 PathProgramCache]: Analyzing trace with hash 779425490, now seen corresponding path program 1 times [2018-09-18 12:34:25,818 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:25,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:25,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:25,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:25,866 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:26,276 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:34:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:34:26,381 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:34:26,382 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:34:26,382 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:26,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:34:26,404 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:34:26,404 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:34:26,407 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:34:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:34:40,837 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-18 12:34:40,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:34:40,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-09-18 12:34:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:34:40,884 INFO L225 Difference]: With dead ends: 4998 [2018-09-18 12:34:40,884 INFO L226 Difference]: Without dead ends: 3218 [2018-09-18 12:34:40,898 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:34:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-18 12:34:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-18 12:34:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-18 12:34:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-18 12:34:41,112 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 53 [2018-09-18 12:34:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:34:41,115 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-18 12:34:41,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:34:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-18 12:34:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-18 12:34:41,126 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:41,126 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:34:41,129 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:41,130 INFO L82 PathProgramCache]: Analyzing trace with hash 401616796, now seen corresponding path program 1 times [2018-09-18 12:34:41,130 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:41,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:41,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:41,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:41,134 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:41,482 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:34:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:34:41,869 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:34:41,869 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:34:41,869 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:41,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:34:41,872 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:34:41,872 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:34:41,872 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-18 12:35:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:35:11,164 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-09-18 12:35:11,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:35:11,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-09-18 12:35:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:35:11,203 INFO L225 Difference]: With dead ends: 9340 [2018-09-18 12:35:11,203 INFO L226 Difference]: Without dead ends: 6131 [2018-09-18 12:35:11,215 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:35:11,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-09-18 12:35:11,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-09-18 12:35:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-09-18 12:35:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-09-18 12:35:11,401 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 125 [2018-09-18 12:35:11,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:35:11,401 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-09-18 12:35:11,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:35:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-09-18 12:35:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-18 12:35:11,414 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:35:11,414 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:35:11,414 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:35:11,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1122712729, now seen corresponding path program 1 times [2018-09-18 12:35:11,415 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:35:11,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:11,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:11,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:11,416 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:35:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:35:11,662 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:35:11,662 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:35:11,663 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:35:11,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:35:11,663 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:35:11,664 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:35:11,664 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-09-18 12:35:34,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:35:34,703 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-09-18 12:35:34,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:35:34,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-09-18 12:35:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:35:34,774 INFO L225 Difference]: With dead ends: 21091 [2018-09-18 12:35:34,774 INFO L226 Difference]: Without dead ends: 15006 [2018-09-18 12:35:34,797 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 [2018-09-18 12:35:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-09-18 12:35:35,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-09-18 12:35:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-09-18 12:35:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-09-18 12:35:35,197 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 127 [2018-09-18 12:35:35,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:35:35,198 INFO L480 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-09-18 12:35:35,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:35:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-09-18 12:35:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-18 12:35:35,203 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:35:35,203 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:35:35,205 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:35:35,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1500340952, now seen corresponding path program 1 times [2018-09-18 12:35:35,205 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:35:35,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:35,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:35,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:35,206 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:35:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:35:35,667 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:35:35,667 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:35:35,667 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:35:35,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:35:35,668 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:35:35,668 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:35:35,669 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-09-18 12:36:22,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:36:22,432 INFO L93 Difference]: Finished difference Result 58684 states and 93370 transitions. [2018-09-18 12:36:22,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:36:22,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-09-18 12:36:22,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:36:22,609 INFO L225 Difference]: With dead ends: 58684 [2018-09-18 12:36:22,609 INFO L226 Difference]: Without dead ends: 43873 [2018-09-18 12:36:22,680 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-18 12:36:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43873 states. [2018-09-18 12:36:23,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43873 to 43779. [2018-09-18 12:36:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43779 states. [2018-09-18 12:36:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43779 states to 43779 states and 63266 transitions. [2018-09-18 12:36:23,632 INFO L78 Accepts]: Start accepts. Automaton has 43779 states and 63266 transitions. Word has length 149 [2018-09-18 12:36:23,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:36:23,633 INFO L480 AbstractCegarLoop]: Abstraction has 43779 states and 63266 transitions. [2018-09-18 12:36:23,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:36:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 43779 states and 63266 transitions. [2018-09-18 12:36:23,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-18 12:36:23,637 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:36:23,637 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:36:23,638 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:36:23,638 INFO L82 PathProgramCache]: Analyzing trace with hash 463189276, now seen corresponding path program 1 times [2018-09-18 12:36:23,638 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:36:23,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:23,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:23,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:23,639 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:36:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:23,942 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:36:23,942 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:36:23,943 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:36:23,943 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:36:23,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:36:23,944 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:36:23,944 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:36:23,944 INFO L87 Difference]: Start difference. First operand 43779 states and 63266 transitions. Second operand 5 states. [2018-09-18 12:37:00,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:37:00,739 INFO L93 Difference]: Finished difference Result 132704 states and 204434 transitions. [2018-09-18 12:37:00,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:37:00,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-09-18 12:37:00,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:37:01,045 INFO L225 Difference]: With dead ends: 132704 [2018-09-18 12:37:01,045 INFO L226 Difference]: Without dead ends: 88931 [2018-09-18 12:37:01,142 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:37:01,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88931 states. [2018-09-18 12:37:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88931 to 88211. [2018-09-18 12:37:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88211 states. [2018-09-18 12:37:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88211 states to 88211 states and 122114 transitions. [2018-09-18 12:37:02,892 INFO L78 Accepts]: Start accepts. Automaton has 88211 states and 122114 transitions. Word has length 158 [2018-09-18 12:37:02,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:37:02,893 INFO L480 AbstractCegarLoop]: Abstraction has 88211 states and 122114 transitions. [2018-09-18 12:37:02,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:37:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 88211 states and 122114 transitions. [2018-09-18 12:37:02,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-09-18 12:37:02,899 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:02,900 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:37:02,900 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:02,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1081973083, now seen corresponding path program 1 times [2018-09-18 12:37:02,901 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:02,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:02,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:02,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:02,902 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:37:03,174 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:37:03,174 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:37:03,174 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:37:03,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:37:03,175 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:37:03,175 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:37:03,175 INFO L87 Difference]: Start difference. First operand 88211 states and 122114 transitions. Second operand 6 states. [2018-09-18 12:37:25,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:37:25,132 INFO L93 Difference]: Finished difference Result 208099 states and 304624 transitions. [2018-09-18 12:37:25,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:37:25,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2018-09-18 12:37:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:37:25,558 INFO L225 Difference]: With dead ends: 208099 [2018-09-18 12:37:25,558 INFO L226 Difference]: Without dead ends: 119894 [2018-09-18 12:37:25,769 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 [2018-09-18 12:37:25,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119894 states. [2018-09-18 12:37:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119894 to 119539. [2018-09-18 12:37:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119539 states. [2018-09-18 12:37:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119539 states to 119539 states and 161762 transitions. [2018-09-18 12:37:28,279 INFO L78 Accepts]: Start accepts. Automaton has 119539 states and 161762 transitions. Word has length 186 [2018-09-18 12:37:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:37:28,280 INFO L480 AbstractCegarLoop]: Abstraction has 119539 states and 161762 transitions. [2018-09-18 12:37:28,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:37:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 119539 states and 161762 transitions. [2018-09-18 12:37:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-18 12:37:28,287 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:28,288 INFO L376 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, 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] [2018-09-18 12:37:28,288 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:28,288 INFO L82 PathProgramCache]: Analyzing trace with hash 106766042, now seen corresponding path program 1 times [2018-09-18 12:37:28,288 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:28,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:28,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:28,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:28,290 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:28,545 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:37:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:37:28,772 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:37:28,773 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:37:28,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:28,782 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:37:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:28,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:37:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-18 12:37:29,034 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:37:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-18 12:37:29,287 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 12:37:29,288 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-18 12:37:29,288 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:37:29,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:37:29,289 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:37:29,289 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:37:29,290 INFO L87 Difference]: Start difference. First operand 119539 states and 161762 transitions. Second operand 3 states. [2018-09-18 12:37:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:37:45,074 INFO L93 Difference]: Finished difference Result 288610 states and 405560 transitions. [2018-09-18 12:37:45,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:37:45,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-09-18 12:37:45,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:37:45,869 INFO L225 Difference]: With dead ends: 288610 [2018-09-18 12:37:45,869 INFO L226 Difference]: Without dead ends: 169077 [2018-09-18 12:37:46,117 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 447 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:37:46,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169077 states. [2018-09-18 12:37:50,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169077 to 168906. [2018-09-18 12:37:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168906 states. [2018-09-18 12:37:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168906 states to 168906 states and 223885 transitions. [2018-09-18 12:37:50,683 INFO L78 Accepts]: Start accepts. Automaton has 168906 states and 223885 transitions. Word has length 224 [2018-09-18 12:37:50,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:37:50,684 INFO L480 AbstractCegarLoop]: Abstraction has 168906 states and 223885 transitions. [2018-09-18 12:37:50,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:37:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 168906 states and 223885 transitions. [2018-09-18 12:37:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-09-18 12:37:50,694 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:37:50,694 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 12:37:50,695 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:37:50,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1572364908, now seen corresponding path program 1 times [2018-09-18 12:37:50,695 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:37:50,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:50,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:50,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:37:50,696 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:37:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 92 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:37:51,217 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:37:51,217 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-09-18 12:37:51,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:37:51,232 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:37:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:37:51,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:37:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-18 12:37:51,445 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:37:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-18 12:37:51,531 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 12:37:51,532 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-18 12:37:51,532 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:37:51,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:37:51,533 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:37:51,533 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-18 12:37:51,534 INFO L87 Difference]: Start difference. First operand 168906 states and 223885 transitions. Second operand 3 states. Received shutdown request... [2018-09-18 12:37:56,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:37:56,437 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:37:56,443 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:37:56,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:37:56 BoogieIcfgContainer [2018-09-18 12:37:56,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:37:56,444 INFO L168 Benchmark]: Toolchain (without parser) took 234694.97 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -671.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-18 12:37:56,445 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-18 12:37:56,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3918.33 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 215.0 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -137.3 MB). Peak memory consumption was 486.4 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:56,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 353.81 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:56,448 INFO L168 Benchmark]: Boogie Preprocessor took 1654.39 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 834.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -860.9 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:56,449 INFO L168 Benchmark]: RCFGBuilder took 17959.60 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 302.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 105.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-18 12:37:56,450 INFO L168 Benchmark]: TraceAbstraction took 210801.53 ms. Allocated memory was 2.9 GB in the beginning and 3.6 GB in the end (delta: 701.0 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 155.2 MB). Peak memory consumption was 856.2 MB. Max. memory is 7.1 GB. [2018-09-18 12:37:56,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 3918.33 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 215.0 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -137.3 MB). Peak memory consumption was 486.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 353.81 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1654.39 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 834.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -860.9 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17959.60 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 302.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 105.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 210801.53 ms. Allocated memory was 2.9 GB in the beginning and 3.6 GB in the end (delta: 701.0 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 155.2 MB). Peak memory consumption was 856.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was constructing difference of abstraction (168906states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (63983 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 210.7s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 195.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5618 SDtfs, 40670 SDslu, 4456 SDs, 0 SdLazy, 71639 SolverSat, 17731 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 168.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1030 GetRequests, 980 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168906occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 10.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1764 NumberOfCodeBlocks, 1764 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2235 ConstructedInterpolants, 0 QuantifiedInterpolants, 1125584 SizeOfPredicates, 1 NumberOfNonLiveVariables, 907 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1096/1238 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label40_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-37-56-478.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label40_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-37-56-478.csv Completed graceful shutdown