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/Problem17_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:55:56,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:55:56,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:55:56,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:55:56,360 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:55:56,361 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:55:56,362 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:55:56,365 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:55:56,367 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:55:56,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:55:56,369 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:55:56,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:55:56,370 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:55:56,371 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:55:56,372 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:55:56,373 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:55:56,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:55:56,376 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:55:56,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:55:56,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:55:56,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:55:56,383 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:55:56,385 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 03:55:56,393 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:55:56,393 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:55:56,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:55:56,395 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:55:56,396 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:55:56,412 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:55:56,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:55:56,413 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:55:56,414 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:55:56,414 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:55:56,414 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:55:56,414 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:55:56,415 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:55:56,415 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:55:56,415 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:55:56,415 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:55:56,416 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:55:56,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:55:56,417 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:55:56,417 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:55:56,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:55:56,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:55:56,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:55:56,417 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:55:56,418 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:55:56,418 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:55:56,418 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:55:56,418 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:55:56,418 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:55:56,419 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:55:56,419 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:55:56,419 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:55:56,419 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:55:56,419 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:55:56,420 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:55:56,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:55:56,420 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:55:56,420 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:55:56,420 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:55:56,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:55:56,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:55:56,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:55:56,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:55:56,488 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:55:56,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label27_true-unreach-call.c [2018-11-07 03:55:56,547 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7efd9af/dee09e6c0b7945bda844f298e9cf907f/FLAG43ccf02cd [2018-11-07 03:55:57,282 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:55:57,284 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label27_true-unreach-call.c [2018-11-07 03:55:57,322 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7efd9af/dee09e6c0b7945bda844f298e9cf907f/FLAG43ccf02cd [2018-11-07 03:55:57,343 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7efd9af/dee09e6c0b7945bda844f298e9cf907f [2018-11-07 03:55:57,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:55:57,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:55:57,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:55:57,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:55:57,368 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:55:57,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:57" (1/1) ... [2018-11-07 03:55:57,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a721c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:57, skipping insertion in model container [2018-11-07 03:55:57,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:57" (1/1) ... [2018-11-07 03:55:57,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:55:57,520 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:55:58,494 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:55:58,499 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:55:58,933 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:55:58,956 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:55:58,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58 WrapperNode [2018-11-07 03:55:58,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:55:58,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:55:58,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:55:58,959 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:55:58,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:55:59,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:55:59,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:55:59,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:55:59,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... [2018-11-07 03:55:59,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:55:59,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:55:59,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:55:59,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:55:59,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:55:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:55:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:55:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:55:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:55:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:55:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:55:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:55:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:55:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:55:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:55:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:56:07,813 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:56:07,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:07 BoogieIcfgContainer [2018-11-07 03:56:07,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:56:07,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:56:07,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:56:07,819 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:56:07,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:55:57" (1/3) ... [2018-11-07 03:56:07,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6788bc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:07, skipping insertion in model container [2018-11-07 03:56:07,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:58" (2/3) ... [2018-11-07 03:56:07,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6788bc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:07, skipping insertion in model container [2018-11-07 03:56:07,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:07" (3/3) ... [2018-11-07 03:56:07,823 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label27_true-unreach-call.c [2018-11-07 03:56:07,833 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:56:07,842 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:56:07,857 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:56:07,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:56:07,901 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:56:07,901 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:56:07,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:56:07,901 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:56:07,901 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:56:07,902 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:56:07,902 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:56:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-07 03:56:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-07 03:56:07,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:56:07,951 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] [2018-11-07 03:56:07,954 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:56:07,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:56:07,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1584552652, now seen corresponding path program 1 times [2018-11-07 03:56:07,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:56:08,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:56:08,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:56:08,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:56:08,015 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:56:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:56:08,505 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-11-07 03:56:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:56:08,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:56:08,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:56:08,520 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:56:08,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:56:08,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:56:08,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:56:08,545 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-07 03:56:21,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:56:21,589 INFO L93 Difference]: Finished difference Result 2133 states and 3959 transitions. [2018-11-07 03:56:21,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:56:21,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-11-07 03:56:21,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:56:21,641 INFO L225 Difference]: With dead ends: 2133 [2018-11-07 03:56:21,641 INFO L226 Difference]: Without dead ends: 1523 [2018-11-07 03:56:21,657 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:56:21,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2018-11-07 03:56:21,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1516. [2018-11-07 03:56:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2018-11-07 03:56:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2287 transitions. [2018-11-07 03:56:21,829 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2287 transitions. Word has length 48 [2018-11-07 03:56:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:56:21,831 INFO L480 AbstractCegarLoop]: Abstraction has 1516 states and 2287 transitions. [2018-11-07 03:56:21,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:56:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2287 transitions. [2018-11-07 03:56:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-07 03:56:21,841 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:56:21,841 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:56:21,842 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:56:21,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:56:21,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1770043202, now seen corresponding path program 1 times [2018-11-07 03:56:21,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:56:21,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:56:21,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:56:21,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:56:21,844 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:56:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:56:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:56:22,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:56:22,418 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:56:22,419 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 124 with the following transitions: [2018-11-07 03:56:22,422 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [994], [996], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-07 03:56:22,495 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:56:22,496 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:56:24,189 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:56:43,091 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 03:56:43,092 INFO L272 AbstractInterpreter]: Visited 83 different actions 543 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 03:56:43,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:56:43,106 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 03:56:43,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:56:43,106 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 03:56:43,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:56:43,116 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 03:56:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:56:43,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 03:56:45,473 WARN L179 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 42 [2018-11-07 03:56:46,256 WARN L179 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 21 [2018-11-07 03:56:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:56:46,402 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 03:56:47,134 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-11-07 03:56:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:56:47,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-07 03:56:47,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-11-07 03:56:47,584 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:56:47,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:56:47,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:56:47,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-07 03:56:47,586 INFO L87 Difference]: Start difference. First operand 1516 states and 2287 transitions. Second operand 6 states. [2018-11-07 03:59:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:59:57,212 INFO L93 Difference]: Finished difference Result 4872 states and 7651 transitions. [2018-11-07 03:59:57,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 03:59:57,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-11-07 03:59:57,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:59:57,241 INFO L225 Difference]: With dead ends: 4872 [2018-11-07 03:59:57,241 INFO L226 Difference]: Without dead ends: 3362 [2018-11-07 03:59:57,250 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 240 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-07 03:59:57,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2018-11-07 03:59:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3357. [2018-11-07 03:59:57,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2018-11-07 03:59:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 5065 transitions. [2018-11-07 03:59:57,383 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 5065 transitions. Word has length 123 [2018-11-07 03:59:57,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:59:57,383 INFO L480 AbstractCegarLoop]: Abstraction has 3357 states and 5065 transitions. [2018-11-07 03:59:57,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:59:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 5065 transitions. [2018-11-07 03:59:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 03:59:57,399 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:59:57,399 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:59:57,400 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:59:57,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:59:57,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1103220262, now seen corresponding path program 1 times [2018-11-07 03:59:57,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:59:57,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:59:57,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:59:57,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:59:57,403 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:59:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:59:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:59:57,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:59:57,674 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:59:57,674 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-07 03:59:57,675 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [994], [996], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-07 03:59:57,682 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:59:57,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:00:00,174 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:00:09,063 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:00:09,064 INFO L272 AbstractInterpreter]: Visited 96 different actions 274 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 04:00:09,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:00:09,102 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:00:09,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:00:09,103 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 04:00:09,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:00:09,118 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:00:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:00:09,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:00:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:00:09,272 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:00:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:00:09,402 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 04:00:09,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-11-07 04:00:09,403 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:00:09,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 04:00:09,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 04:00:09,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 04:00:09,404 INFO L87 Difference]: Start difference. First operand 3357 states and 5065 transitions. Second operand 3 states. Received shutdown request... [2018-11-07 04:00:11,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 04:00:11,245 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 04:00:11,250 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 04:00:11,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:00:11 BoogieIcfgContainer [2018-11-07 04:00:11,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 04:00:11,252 INFO L168 Benchmark]: Toolchain (without parser) took 253893.07 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 4.0 GB in the end (delta: -2.6 GB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2018-11-07 04:00:11,253 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-07 04:00:11,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1596.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-07 04:00:11,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 250.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 754.5 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -936.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-11-07 04:00:11,255 INFO L168 Benchmark]: Boogie Preprocessor took 259.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-11-07 04:00:11,256 INFO L168 Benchmark]: RCFGBuilder took 8345.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 462.5 MB). Peak memory consumption was 462.5 MB. Max. memory is 7.1 GB. [2018-11-07 04:00:11,257 INFO L168 Benchmark]: TraceAbstraction took 243435.28 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 4.0 GB in the end (delta: -2.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 04:00:11,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1596.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 250.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 754.5 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -936.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 259.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8345.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 462.5 MB). Peak memory consumption was 462.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243435.28 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 4.0 GB in the end (delta: -2.3 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 131). Cancelled while BasicCegarLoop was constructing difference of abstraction (3357states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (3532 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 243.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 204.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1229 SDtfs, 3899 SDslu, 568 SDs, 0 SdLazy, 6495 SolverSat, 2232 SolverUnsat, 81 SolverUnknown, 0 SolverNotchecked, 201.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 515 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3357occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 32.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 566 NumberOfCodeBlocks, 566 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 818 ConstructedInterpolants, 122 QuantifiedInterpolants, 736795 SizeOfPredicates, 5 NumberOfNonLiveVariables, 563 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 162/246 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown