java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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/Problem02_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:54:28,805 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:54:28,807 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:54:28,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:54:28,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:54:28,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:54:28,822 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:54:28,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:54:28,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:54:28,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:54:28,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:54:28,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:54:28,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:54:28,832 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:54:28,834 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:54:28,835 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:54:28,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:54:28,841 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:54:28,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:54:28,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:54:28,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:54:28,858 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:54:28,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 00:54:28,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 00:54:28,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:54:28,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:54:28,911 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:54:28,912 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:54:28,912 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:54:28,912 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:54:28,912 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:54:28,912 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:54:28,913 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:54:28,913 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:54:28,913 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:54:28,913 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:54:28,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:54:28,914 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:54:28,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:54:28,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:54:28,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:54:28,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:54:28,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:54:28,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:54:28,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:54:28,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:54:28,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:54:28,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:54:28,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:54:28,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:54:28,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:54:28,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:54:28,917 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:54:28,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:54:28,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:54:28,917 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:54:28,918 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:54:28,918 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:54:28,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:54:28,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:54:28,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:54:28,985 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:54:28,985 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:54:28,986 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-10-27 00:54:29,062 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/aedabfcef/8760948b66f3424c9e6e954067f92a1d/FLAG76ade235a [2018-10-27 00:54:29,698 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:54:29,699 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-10-27 00:54:29,720 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/aedabfcef/8760948b66f3424c9e6e954067f92a1d/FLAG76ade235a [2018-10-27 00:54:29,742 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/aedabfcef/8760948b66f3424c9e6e954067f92a1d [2018-10-27 00:54:29,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:54:29,758 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:54:29,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:54:29,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:54:29,767 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:54:29,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:54:29" (1/1) ... [2018-10-27 00:54:29,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f637f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:29, skipping insertion in model container [2018-10-27 00:54:29,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:54:29" (1/1) ... [2018-10-27 00:54:29,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:54:29,837 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:54:30,297 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:54:30,308 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:54:30,442 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:54:30,461 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:54:30,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30 WrapperNode [2018-10-27 00:54:30,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:54:30,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:54:30,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:54:30,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:54:30,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:54:30,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:54:30,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:54:30,664 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:54:30,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... [2018-10-27 00:54:30,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:54:30,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:54:30,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:54:30,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:54:30,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 00:54:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:54:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:54:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:54:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:54:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:54:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:54:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:54:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:54:34,127 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:54:34,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:54:34 BoogieIcfgContainer [2018-10-27 00:54:34,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:54:34,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:54:34,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:54:34,133 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:54:34,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:54:29" (1/3) ... [2018-10-27 00:54:34,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b154cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:54:34, skipping insertion in model container [2018-10-27 00:54:34,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:54:30" (2/3) ... [2018-10-27 00:54:34,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b154cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:54:34, skipping insertion in model container [2018-10-27 00:54:34,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:54:34" (3/3) ... [2018-10-27 00:54:34,138 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label41_true-unreach-call_false-termination.c [2018-10-27 00:54:34,151 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:54:34,161 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:54:34,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:54:34,222 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:54:34,222 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:54:34,222 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:54:34,223 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:54:34,223 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:54:34,223 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:54:34,223 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:54:34,223 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:54:34,262 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 00:54:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:54:34,275 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:54:34,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:54:34,279 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:54:34,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:54:34,286 INFO L82 PathProgramCache]: Analyzing trace with hash 157371847, now seen corresponding path program 1 times [2018-10-27 00:54:34,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:54:34,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:54:34,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:54:34,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:54:34,348 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:54:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:35,001 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:54:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:54:35,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:54:35,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:54:35,152 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:54:35,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:54:35,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:54:35,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:54:35,194 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-27 00:54:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:54:37,034 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-10-27 00:54:37,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:54:37,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-10-27 00:54:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:54:37,060 INFO L225 Difference]: With dead ends: 626 [2018-10-27 00:54:37,061 INFO L226 Difference]: Without dead ends: 387 [2018-10-27 00:54:37,068 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:54:37,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-10-27 00:54:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-10-27 00:54:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-27 00:54:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-10-27 00:54:37,151 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 97 [2018-10-27 00:54:37,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:54:37,152 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-10-27 00:54:37,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:54:37,152 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-10-27 00:54:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-27 00:54:37,160 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:54:37,160 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:54:37,161 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:54:37,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:54:37,161 INFO L82 PathProgramCache]: Analyzing trace with hash 719851312, now seen corresponding path program 1 times [2018-10-27 00:54:37,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:54:37,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:54:37,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:54:37,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:54:37,163 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:54:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:54:37,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:54:37,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:54:37,347 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:54:37,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:54:37,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:54:37,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:54:37,351 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-10-27 00:54:39,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:54:39,247 INFO L93 Difference]: Finished difference Result 1189 states and 2102 transitions. [2018-10-27 00:54:39,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:54:39,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-10-27 00:54:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:54:39,260 INFO L225 Difference]: With dead ends: 1189 [2018-10-27 00:54:39,261 INFO L226 Difference]: Without dead ends: 812 [2018-10-27 00:54:39,265 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:54:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-10-27 00:54:39,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 793. [2018-10-27 00:54:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-10-27 00:54:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1279 transitions. [2018-10-27 00:54:39,336 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1279 transitions. Word has length 118 [2018-10-27 00:54:39,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:54:39,337 INFO L481 AbstractCegarLoop]: Abstraction has 793 states and 1279 transitions. [2018-10-27 00:54:39,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:54:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1279 transitions. [2018-10-27 00:54:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:54:39,350 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:54:39,350 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-10-27 00:54:39,351 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:54:39,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:54:39,351 INFO L82 PathProgramCache]: Analyzing trace with hash 849468029, now seen corresponding path program 1 times [2018-10-27 00:54:39,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:54:39,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:54:39,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:54:39,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:54:39,353 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:54:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:54:39,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:54:39,771 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:54:39,772 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-10-27 00:54:39,775 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 00:54:39,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:54:39,855 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:54:53,586 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:54:53,588 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-27 00:54:53,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:54:53,596 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:54:58,761 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 80.99% of their original sizes. [2018-10-27 00:54:58,761 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:55:02,312 INFO L415 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-10-27 00:55:02,313 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:55:02,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:55:02,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-10-27 00:55:02,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:55:02,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-27 00:55:02,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-27 00:55:02,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-10-27 00:55:02,317 INFO L87 Difference]: Start difference. First operand 793 states and 1279 transitions. Second operand 14 states. [2018-10-27 00:56:37,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:56:37,732 INFO L93 Difference]: Finished difference Result 1880 states and 3035 transitions. [2018-10-27 00:56:37,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-27 00:56:37,732 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2018-10-27 00:56:37,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:56:37,739 INFO L225 Difference]: With dead ends: 1880 [2018-10-27 00:56:37,739 INFO L226 Difference]: Without dead ends: 1093 [2018-10-27 00:56:37,743 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-10-27 00:56:37,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-10-27 00:56:37,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 940. [2018-10-27 00:56:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2018-10-27 00:56:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1437 transitions. [2018-10-27 00:56:37,874 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1437 transitions. Word has length 127 [2018-10-27 00:56:37,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:56:37,875 INFO L481 AbstractCegarLoop]: Abstraction has 940 states and 1437 transitions. [2018-10-27 00:56:37,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-27 00:56:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1437 transitions. [2018-10-27 00:56:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-27 00:56:37,878 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:56:37,879 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 00:56:37,879 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:56:37,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:56:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2145566903, now seen corresponding path program 1 times [2018-10-27 00:56:37,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:56:37,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:56:37,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:56:37,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:56:37,882 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:56:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:56:38,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:56:38,110 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:56:38,110 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-10-27 00:56:38,111 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 00:56:38,116 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:56:38,117 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:57:02,590 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:57:02,590 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 00:57:02,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:57:02,600 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:57:08,827 INFO L227 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 84.44% of their original sizes. [2018-10-27 00:57:08,827 INFO L413 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-27 00:58:50,599 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:58:50,605 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:58:50,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:58:50 BoogieIcfgContainer [2018-10-27 00:58:50,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:58:50,606 INFO L168 Benchmark]: Toolchain (without parser) took 260849.34 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -879.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-27 00:58:50,608 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 00:58:50,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 00:58:50,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -804.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-10-27 00:58:50,610 INFO L168 Benchmark]: Boogie Preprocessor took 60.60 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 00:58:50,611 INFO L168 Benchmark]: RCFGBuilder took 3403.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 7.1 GB. [2018-10-27 00:58:50,612 INFO L168 Benchmark]: TraceAbstraction took 256476.25 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -211.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-27 00:58:50,617 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 201.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -804.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.60 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3403.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256476.25 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -211.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 442]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 442). Cancelled while BasicCegarLoop was analyzing trace of length 133 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 17 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 256.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 99.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 507 SDtfs, 2221 SDslu, 474 SDs, 0 SdLazy, 1988 SolverSat, 573 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 154 GetRequests, 118 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=940occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 38.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9934189770356064 AbsIntWeakeningRatio, 0.26459143968871596 AbsIntAvgWeakeningVarsNumRemoved, 501.00389105058366 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 176 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 89595 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 45/47 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown