java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label22_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:52:27,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:52:27,288 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:52:27,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:52:27,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:52:27,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:52:27,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:52:27,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:52:27,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:52:27,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:52:27,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:52:27,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:52:27,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:52:27,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:52:27,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:52:27,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:52:27,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:52:27,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:52:27,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:52:27,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:52:27,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:52:27,323 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:52:27,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 00:52:27,334 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 00:52:27,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 00:52:27,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 00:52:27,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 00:52:27,341 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 00:52:27,371 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:52:27,371 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:52:27,373 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:52:27,373 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:52:27,373 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:52:27,373 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:52:27,374 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:52:27,374 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:52:27,374 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:52:27,374 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:52:27,374 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:52:27,375 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:52:27,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:52:27,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:52:27,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:52:27,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:52:27,377 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:52:27,377 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:52:27,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:52:27,377 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:52:27,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:52:27,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:52:27,378 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:52:27,378 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:52:27,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:52:27,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:52:27,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:52:27,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:52:27,380 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:52:27,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:52:27,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:52:27,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:52:27,381 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:52:27,381 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:52:27,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:52:27,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:52:27,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:52:27,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:52:27,485 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:52:27,485 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label22_false-unreach-call.c [2018-11-07 00:52:27,555 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904524c64/b892c8af6031490f960536cb9252029b/FLAG99d81ce64 [2018-11-07 00:52:28,379 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:52:28,379 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label22_false-unreach-call.c [2018-11-07 00:52:28,426 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904524c64/b892c8af6031490f960536cb9252029b/FLAG99d81ce64 [2018-11-07 00:52:28,442 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904524c64/b892c8af6031490f960536cb9252029b [2018-11-07 00:52:28,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:52:28,457 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:52:28,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:52:28,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:52:28,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:52:28,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:28" (1/1) ... [2018-11-07 00:52:28,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2d9c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:28, skipping insertion in model container [2018-11-07 00:52:28,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:28" (1/1) ... [2018-11-07 00:52:28,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:52:28,733 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:52:30,785 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:52:30,790 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:52:31,878 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:52:31,938 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:52:31,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31 WrapperNode [2018-11-07 00:52:31,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:52:31,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:52:31,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:52:31,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:52:31,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:52:32,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:52:32,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:52:32,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:52:32,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... [2018-11-07 00:52:32,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:52:32,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:52:32,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:52:32,882 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:52:32,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:52:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:52:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:52:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:52:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 00:52:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 00:52:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 00:52:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 00:52:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 00:52:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 00:52:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 00:52:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 00:52:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 00:52:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 00:52:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:52:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:52:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:52:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:52:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:52:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:52:47,985 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:52:47,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:52:47 BoogieIcfgContainer [2018-11-07 00:52:47,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:52:47,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:52:47,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:52:47,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:52:47,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:52:28" (1/3) ... [2018-11-07 00:52:47,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731c9c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:52:47, skipping insertion in model container [2018-11-07 00:52:47,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:31" (2/3) ... [2018-11-07 00:52:47,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731c9c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:52:47, skipping insertion in model container [2018-11-07 00:52:47,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:52:47" (3/3) ... [2018-11-07 00:52:47,993 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label22_false-unreach-call.c [2018-11-07 00:52:48,001 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:52:48,010 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:52:48,026 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:52:48,081 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:52:48,082 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:52:48,082 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:52:48,082 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:52:48,082 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:52:48,082 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:52:48,083 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:52:48,083 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:52:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-07 00:52:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-07 00:52:48,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:52:48,150 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] [2018-11-07 00:52:48,152 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:52:48,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:52:48,159 INFO L82 PathProgramCache]: Analyzing trace with hash 655645660, now seen corresponding path program 1 times [2018-11-07 00:52:48,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:52:48,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:52:48,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:52:48,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:52:48,217 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:52:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:52:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:52:48,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:52:48,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 00:52:48,595 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:52:48,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 00:52:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 00:52:48,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:52:48,623 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-07 00:53:01,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:53:01,822 INFO L93 Difference]: Finished difference Result 5034 states and 9499 transitions. [2018-11-07 00:53:01,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 00:53:01,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-07 00:53:01,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:53:01,876 INFO L225 Difference]: With dead ends: 5034 [2018-11-07 00:53:01,876 INFO L226 Difference]: Without dead ends: 3254 [2018-11-07 00:53:01,889 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:53:01,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2018-11-07 00:53:02,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3207. [2018-11-07 00:53:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-11-07 00:53:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 5994 transitions. [2018-11-07 00:53:02,089 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 5994 transitions. Word has length 36 [2018-11-07 00:53:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:53:02,090 INFO L480 AbstractCegarLoop]: Abstraction has 3207 states and 5994 transitions. [2018-11-07 00:53:02,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 00:53:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 5994 transitions. [2018-11-07 00:53:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-07 00:53:02,099 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:53:02,100 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:53:02,102 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:53:02,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:53:02,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1545584319, now seen corresponding path program 1 times [2018-11-07 00:53:02,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:53:02,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:53:02,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:53:02,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:53:02,105 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:53:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:53:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:53:02,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:53:02,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:53:02,745 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:53:02,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:53:02,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:53:02,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:53:02,748 INFO L87 Difference]: Start difference. First operand 3207 states and 5994 transitions. Second operand 6 states. [2018-11-07 00:53:20,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:53:20,685 INFO L93 Difference]: Finished difference Result 9588 states and 17981 transitions. [2018-11-07 00:53:20,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 00:53:20,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-07 00:53:20,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:53:20,731 INFO L225 Difference]: With dead ends: 9588 [2018-11-07 00:53:20,731 INFO L226 Difference]: Without dead ends: 6387 [2018-11-07 00:53:20,743 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 00:53:20,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2018-11-07 00:53:20,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 6268. [2018-11-07 00:53:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6268 states. [2018-11-07 00:53:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6268 states to 6268 states and 11297 transitions. [2018-11-07 00:53:20,953 INFO L78 Accepts]: Start accepts. Automaton has 6268 states and 11297 transitions. Word has length 109 [2018-11-07 00:53:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:53:20,954 INFO L480 AbstractCegarLoop]: Abstraction has 6268 states and 11297 transitions. [2018-11-07 00:53:20,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:53:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 6268 states and 11297 transitions. [2018-11-07 00:53:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-07 00:53:20,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:53:20,964 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:53:20,965 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:53:20,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:53:20,965 INFO L82 PathProgramCache]: Analyzing trace with hash 205222398, now seen corresponding path program 1 times [2018-11-07 00:53:20,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:53:20,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:53:20,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:53:20,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:53:20,968 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:53:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:53:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:53:21,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:53:21,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 00:53:21,375 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:53:21,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 00:53:21,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 00:53:21,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 00:53:21,376 INFO L87 Difference]: Start difference. First operand 6268 states and 11297 transitions. Second operand 5 states. [2018-11-07 00:53:38,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:53:38,131 INFO L93 Difference]: Finished difference Result 18916 states and 34267 transitions. [2018-11-07 00:53:38,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 00:53:38,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2018-11-07 00:53:38,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:53:38,204 INFO L225 Difference]: With dead ends: 18916 [2018-11-07 00:53:38,206 INFO L226 Difference]: Without dead ends: 12654 [2018-11-07 00:53:38,230 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:53:38,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12654 states. [2018-11-07 00:53:38,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12654 to 12388. [2018-11-07 00:53:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12388 states. [2018-11-07 00:53:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12388 states to 12388 states and 18868 transitions. [2018-11-07 00:53:38,565 INFO L78 Accepts]: Start accepts. Automaton has 12388 states and 18868 transitions. Word has length 123 [2018-11-07 00:53:38,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:53:38,566 INFO L480 AbstractCegarLoop]: Abstraction has 12388 states and 18868 transitions. [2018-11-07 00:53:38,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 00:53:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 12388 states and 18868 transitions. [2018-11-07 00:53:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-07 00:53:38,577 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:53:38,578 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 00:53:38,578 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:53:38,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:53:38,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1515004663, now seen corresponding path program 1 times [2018-11-07 00:53:38,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:53:38,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:53:38,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:53:38,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:53:38,580 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:53:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:53:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 58 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 00:53:38,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:53:38,935 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:53:38,936 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-11-07 00:53:38,938 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5414], [5416], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5822], [5823], [5827], [5838], [5841], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-07 00:53:39,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:53:39,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:53:41,801 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:53:41,803 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 00:53:41,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:53:41,814 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:53:44,052 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 75.4% of their original sizes. [2018-11-07 00:53:44,052 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:53:44,529 INFO L415 sIntCurrentIteration]: We unified 212 AI predicates to 212 [2018-11-07 00:53:44,530 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:53:44,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:53:44,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 00:53:44,531 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:53:44,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 00:53:44,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 00:53:44,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 00:53:44,533 INFO L87 Difference]: Start difference. First operand 12388 states and 18868 transitions. Second operand 7 states. [2018-11-07 00:53:47,977 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 00:56:13,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:56:13,019 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 00:56:13,024 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 00:56:13,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:56:13 BoogieIcfgContainer [2018-11-07 00:56:13,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:56:13,025 INFO L168 Benchmark]: Toolchain (without parser) took 224570.02 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 139.7 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-11-07 00:56:13,027 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 00:56:13,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3481.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 402.5 MB). Peak memory consumption was 402.5 MB. Max. memory is 7.1 GB. [2018-11-07 00:56:13,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 522.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 856.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. [2018-11-07 00:56:13,030 INFO L168 Benchmark]: Boogie Preprocessor took 419.76 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2018-11-07 00:56:13,031 INFO L168 Benchmark]: RCFGBuilder took 15103.47 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 153.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 525.7 MB). Peak memory consumption was 678.8 MB. Max. memory is 7.1 GB. [2018-11-07 00:56:13,032 INFO L168 Benchmark]: TraceAbstraction took 205038.21 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 458.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-07 00:56:13,038 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 3481.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 402.5 MB). Peak memory consumption was 402.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 522.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 856.7 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 419.76 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15103.47 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 153.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 525.7 MB). Peak memory consumption was 678.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205038.21 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 458.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 103). Cancelled while BasicCegarLoop was constructing difference of abstraction (12388states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (11314 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 204.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 196.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2459 SDtfs, 17137 SDslu, 2588 SDs, 0 SdLazy, 25587 SolverSat, 5521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 144.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 239 GetRequests, 216 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12388occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9954281567489114 AbsIntWeakeningRatio, 0.12735849056603774 AbsIntAvgWeakeningVarsNumRemoved, 1042.382075471698 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 432 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 481 NumberOfCodeBlocks, 481 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 305574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 121/203 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown