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/Problem11_label44_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:13:10,173 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:13:10,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:13:10,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:13:10,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:13:10,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:13:10,190 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:13:10,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:13:10,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:13:10,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:13:10,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:13:10,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:13:10,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:13:10,198 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:13:10,199 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:13:10,200 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:13:10,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:13:10,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:13:10,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:13:10,206 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:13:10,207 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:13:10,209 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:13:10,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:13:10,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:13:10,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:13:10,219 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:13:10,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:13:10,220 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 [2018-10-24 21:13:10,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:13:10,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:13:10,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:13:10,238 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:13:10,239 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:13:10,239 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:13:10,239 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:13:10,239 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:13:10,239 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:13:10,240 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:13:10,240 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:13:10,240 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:13:10,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:13:10,241 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:13:10,241 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:13:10,241 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:13:10,241 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:13:10,241 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:13:10,242 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:13:10,242 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:13:10,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:13:10,242 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:13:10,242 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:13:10,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:13:10,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:13:10,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:13:10,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:13:10,243 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:13:10,244 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:13:10,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:13:10,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:13:10,244 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:13:10,244 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:13:10,245 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:13:10,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:13:10,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:13:10,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:13:10,327 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:13:10,327 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:13:10,329 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-10-24 21:13:10,405 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0e9d82f84/34712070a7e44733bbb73c4cd269d0fc/FLAGc48514c49 [2018-10-24 21:13:11,093 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:13:11,094 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-10-24 21:13:11,111 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0e9d82f84/34712070a7e44733bbb73c4cd269d0fc/FLAGc48514c49 [2018-10-24 21:13:11,130 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0e9d82f84/34712070a7e44733bbb73c4cd269d0fc [2018-10-24 21:13:11,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:13:11,147 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:13:11,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:13:11,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:13:11,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:13:11,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:13:11" (1/1) ... [2018-10-24 21:13:11,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bfd507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:11, skipping insertion in model container [2018-10-24 21:13:11,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:13:11" (1/1) ... [2018-10-24 21:13:11,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:13:11,239 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:13:11,788 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:13:11,800 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:13:12,008 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:13:12,032 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:13:12,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12 WrapperNode [2018-10-24 21:13:12,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:13:12,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:13:12,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:13:12,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:13:12,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:13:12,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:13:12,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:13:12,434 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:13:12,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (1/1) ... [2018-10-24 21:13:12,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:13:12,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:13:12,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:13:12,590 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:13:12,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (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 [2018-10-24 21:13:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:13:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:13:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:13:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:13:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:13:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:13:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:13:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:13:17,443 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:13:17,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:13:17 BoogieIcfgContainer [2018-10-24 21:13:17,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:13:17,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:13:17,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:13:17,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:13:17,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:13:11" (1/3) ... [2018-10-24 21:13:17,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63188a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:13:17, skipping insertion in model container [2018-10-24 21:13:17,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:13:12" (2/3) ... [2018-10-24 21:13:17,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63188a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:13:17, skipping insertion in model container [2018-10-24 21:13:17,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:13:17" (3/3) ... [2018-10-24 21:13:17,454 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label44_true-unreach-call.c [2018-10-24 21:13:17,465 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:13:17,475 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:13:17,494 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:13:17,535 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:13:17,536 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:13:17,536 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:13:17,536 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:13:17,536 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:13:17,536 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:13:17,536 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:13:17,537 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:13:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 21:13:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-24 21:13:17,575 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:13:17,576 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] [2018-10-24 21:13:17,579 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:13:17,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:13:17,585 INFO L82 PathProgramCache]: Analyzing trace with hash -889068935, now seen corresponding path program 1 times [2018-10-24 21:13:17,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:13:17,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:17,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:13:17,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:17,644 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:13:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:13:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:13:18,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:13:18,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:13:18,105 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:13:18,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:13:18,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:13:18,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:13:18,139 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-24 21:13:21,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:13:21,809 INFO L93 Difference]: Finished difference Result 979 states and 1754 transitions. [2018-10-24 21:13:21,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:13:21,812 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-10-24 21:13:21,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:13:21,836 INFO L225 Difference]: With dead ends: 979 [2018-10-24 21:13:21,836 INFO L226 Difference]: Without dead ends: 680 [2018-10-24 21:13:21,854 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:13:21,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-10-24 21:13:21,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 484. [2018-10-24 21:13:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-10-24 21:13:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 730 transitions. [2018-10-24 21:13:21,958 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 730 transitions. Word has length 33 [2018-10-24 21:13:21,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:13:21,959 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 730 transitions. [2018-10-24 21:13:21,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:13:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 730 transitions. [2018-10-24 21:13:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-24 21:13:21,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:13:21,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:13:21,965 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:13:21,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:13:21,966 INFO L82 PathProgramCache]: Analyzing trace with hash 337985131, now seen corresponding path program 1 times [2018-10-24 21:13:21,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:13:21,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:21,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:13:21,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:21,968 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:13:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:13:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:13:22,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:13:22,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:13:22,320 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:13:22,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:13:22,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:13:22,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:13:22,324 INFO L87 Difference]: Start difference. First operand 484 states and 730 transitions. Second operand 6 states. [2018-10-24 21:13:26,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:13:26,580 INFO L93 Difference]: Finished difference Result 1555 states and 2493 transitions. [2018-10-24 21:13:26,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:13:26,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-10-24 21:13:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:13:26,592 INFO L225 Difference]: With dead ends: 1555 [2018-10-24 21:13:26,592 INFO L226 Difference]: Without dead ends: 1077 [2018-10-24 21:13:26,596 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:13:26,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2018-10-24 21:13:26,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1063. [2018-10-24 21:13:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1063 states. [2018-10-24 21:13:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1592 transitions. [2018-10-24 21:13:26,653 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1592 transitions. Word has length 106 [2018-10-24 21:13:26,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:13:26,653 INFO L481 AbstractCegarLoop]: Abstraction has 1063 states and 1592 transitions. [2018-10-24 21:13:26,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:13:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1592 transitions. [2018-10-24 21:13:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-24 21:13:26,658 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:13:26,658 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:13:26,659 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:13:26,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:13:26,661 INFO L82 PathProgramCache]: Analyzing trace with hash 375100500, now seen corresponding path program 1 times [2018-10-24 21:13:26,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:13:26,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:26,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:13:26,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:26,662 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:13:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:13:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:13:27,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:13:27,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-24 21:13:27,166 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:13:27,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 21:13:27,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 21:13:27,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 21:13:27,168 INFO L87 Difference]: Start difference. First operand 1063 states and 1592 transitions. Second operand 7 states. [2018-10-24 21:13:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:13:32,215 INFO L93 Difference]: Finished difference Result 2979 states and 4525 transitions. [2018-10-24 21:13:32,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 21:13:32,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2018-10-24 21:13:32,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:13:32,230 INFO L225 Difference]: With dead ends: 2979 [2018-10-24 21:13:32,231 INFO L226 Difference]: Without dead ends: 1922 [2018-10-24 21:13:32,237 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-24 21:13:32,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-10-24 21:13:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1813. [2018-10-24 21:13:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2018-10-24 21:13:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2564 transitions. [2018-10-24 21:13:32,349 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2564 transitions. Word has length 107 [2018-10-24 21:13:32,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:13:32,349 INFO L481 AbstractCegarLoop]: Abstraction has 1813 states and 2564 transitions. [2018-10-24 21:13:32,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 21:13:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2564 transitions. [2018-10-24 21:13:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-24 21:13:32,362 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:13:32,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:13:32,364 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:13:32,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:13:32,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1471774269, now seen corresponding path program 1 times [2018-10-24 21:13:32,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:13:32,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:32,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:13:32,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:32,367 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:13:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:13:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:13:32,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:13:32,947 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:13:32,948 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-10-24 21:13:32,951 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [165], [167], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 21:13:33,042 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:13:33,043 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:13:37,481 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:13:54,060 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:13:54,062 INFO L272 AbstractInterpreter]: Visited 139 different actions 405 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 21:13:54,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:13:54,108 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:13:57,401 INFO L232 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 81.54% of their original sizes. [2018-10-24 21:13:57,401 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:14:55,347 INFO L413 sIntCurrentIteration]: We have 164 unified AI predicates [2018-10-24 21:14:55,347 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:14:55,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:14:55,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [8] total 22 [2018-10-24 21:14:55,349 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:14:55,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-24 21:14:55,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-24 21:14:55,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-10-24 21:14:55,350 INFO L87 Difference]: Start difference. First operand 1813 states and 2564 transitions. Second operand 16 states. Received shutdown request... [2018-10-24 21:17:24,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 21:17:24,134 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:17:24,139 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:17:24,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:17:24 BoogieIcfgContainer [2018-10-24 21:17:24,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:17:24,140 INFO L168 Benchmark]: Toolchain (without parser) took 252995.33 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -633.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 21:17:24,142 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. [2018-10-24 21:17:24,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 885.16 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:17:24,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 399.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -895.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:17:24,145 INFO L168 Benchmark]: Boogie Preprocessor took 155.59 ms. Allocated memory is still 2.3 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:17:24,145 INFO L168 Benchmark]: RCFGBuilder took 4854.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 7.1 GB. [2018-10-24 21:17:24,146 INFO L168 Benchmark]: TraceAbstraction took 246693.91 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-24 21:17:24,151 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 885.16 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 399.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -895.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.59 ms. Allocated memory is still 2.3 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4854.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246693.91 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 20.5 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: 84]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 84). Cancelled while BasicCegarLoop was constructing difference of abstraction (1813states) and FLOYD_HOARE automaton (currently 17 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (730 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 246.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 161.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 551 SDtfs, 3590 SDslu, 590 SDs, 0 SdLazy, 5923 SolverSat, 1373 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 200 GetRequests, 100 SyntacticMatches, 60 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 61.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1813occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9945154213446897 AbsIntWeakeningRatio, 0.1402439024390244 AbsIntAvgWeakeningVarsNumRemoved, 1016.0243902439024 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 319 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 407 ConstructedInterpolants, 0 QuantifiedInterpolants, 396751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 72/78 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown