java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-tiling/revcpyswp2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 00:48:42,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 00:48:42,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 00:48:42,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 00:48:42,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 00:48:42,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 00:48:42,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 00:48:42,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 00:48:42,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 00:48:42,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 00:48:42,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 00:48:42,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 00:48:42,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 00:48:42,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 00:48:42,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 00:48:42,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 00:48:42,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 00:48:42,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 00:48:42,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 00:48:42,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 00:48:42,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 00:48:42,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 00:48:42,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 00:48:42,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 00:48:42,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 00:48:42,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 00:48:42,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 00:48:42,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 00:48:42,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 00:48:42,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 00:48:42,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 00:48:42,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 00:48:42,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 00:48:42,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 00:48:42,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 00:48:42,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 00:48:42,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 00:48:42,344 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 00:48:42,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 00:48:42,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 00:48:42,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 00:48:42,346 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 00:48:42,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 00:48:42,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 00:48:42,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 00:48:42,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 00:48:42,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 00:48:42,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 00:48:42,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 00:48:42,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 00:48:42,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 00:48:42,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 00:48:42,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 00:48:42,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 00:48:42,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 00:48:42,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 00:48:42,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 00:48:42,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 00:48:42,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 00:48:42,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 00:48:42,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 00:48:42,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 00:48:42,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 00:48:42,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 00:48:42,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 00:48:42,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 00:48:42,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 00:48:42,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 00:48:42,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 00:48:42,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 00:48:42,696 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 00:48:42,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/revcpyswp2.c [2019-10-07 00:48:42,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee385b211/e36019ad78d34be4853c39a5d8f70667/FLAG076d0827f [2019-10-07 00:48:43,146 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 00:48:43,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/revcpyswp2.c [2019-10-07 00:48:43,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee385b211/e36019ad78d34be4853c39a5d8f70667/FLAG076d0827f [2019-10-07 00:48:43,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee385b211/e36019ad78d34be4853c39a5d8f70667 [2019-10-07 00:48:43,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 00:48:43,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 00:48:43,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 00:48:43,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 00:48:43,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 00:48:43,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9fe5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43, skipping insertion in model container [2019-10-07 00:48:43,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,197 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 00:48:43,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 00:48:43,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:48:43,402 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 00:48:43,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:48:43,439 INFO L192 MainTranslator]: Completed translation [2019-10-07 00:48:43,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43 WrapperNode [2019-10-07 00:48:43,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 00:48:43,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 00:48:43,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 00:48:43,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 00:48:43,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (1/1) ... [2019-10-07 00:48:43,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 00:48:43,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 00:48:43,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 00:48:43,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 00:48:43,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (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 [2019-10-07 00:48:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 00:48:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 00:48:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 00:48:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 00:48:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 00:48:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 00:48:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 00:48:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 00:48:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 00:48:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 00:48:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 00:48:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 00:48:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 00:48:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 00:48:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 00:48:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 00:48:44,193 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 00:48:44,193 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 00:48:44,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:48:44 BoogieIcfgContainer [2019-10-07 00:48:44,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 00:48:44,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 00:48:44,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 00:48:44,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 00:48:44,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:48:43" (1/3) ... [2019-10-07 00:48:44,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1123d626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:48:44, skipping insertion in model container [2019-10-07 00:48:44,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:43" (2/3) ... [2019-10-07 00:48:44,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1123d626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:48:44, skipping insertion in model container [2019-10-07 00:48:44,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:48:44" (3/3) ... [2019-10-07 00:48:44,204 INFO L109 eAbstractionObserver]: Analyzing ICFG revcpyswp2.c [2019-10-07 00:48:44,214 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 00:48:44,223 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 00:48:44,238 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 00:48:44,275 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 00:48:44,275 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 00:48:44,275 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 00:48:44,276 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 00:48:44,276 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 00:48:44,276 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 00:48:44,276 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 00:48:44,276 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 00:48:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-10-07 00:48:44,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-07 00:48:44,301 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:48:44,302 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:48:44,305 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:48:44,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:48:44,311 INFO L82 PathProgramCache]: Analyzing trace with hash -345057832, now seen corresponding path program 1 times [2019-10-07 00:48:44,320 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:48:44,320 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:48:44,320 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:44,321 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:44,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:48:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:48:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:48:44,616 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:48:44,617 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:48:44,617 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 00:48:44,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 00:48:44,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 00:48:44,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:48:44,648 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2019-10-07 00:48:44,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:48:44,717 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2019-10-07 00:48:44,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 00:48:44,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-10-07 00:48:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:48:44,728 INFO L225 Difference]: With dead ends: 40 [2019-10-07 00:48:44,728 INFO L226 Difference]: Without dead ends: 20 [2019-10-07 00:48:44,732 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:48:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-07 00:48:44,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-07 00:48:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-07 00:48:44,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-10-07 00:48:44,783 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 15 [2019-10-07 00:48:44,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:48:44,783 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-10-07 00:48:44,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 00:48:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-10-07 00:48:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-07 00:48:44,785 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:48:44,785 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:48:44,786 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:48:44,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:48:44,786 INFO L82 PathProgramCache]: Analyzing trace with hash 665087212, now seen corresponding path program 1 times [2019-10-07 00:48:44,787 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:48:44,787 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:48:44,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:44,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:48:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:48:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 00:48:44,894 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:48:44,895 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:48:44,895 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 00:48:44,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 00:48:44,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 00:48:44,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:48:44,901 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 4 states. [2019-10-07 00:48:44,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:48:44,989 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2019-10-07 00:48:44,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 00:48:44,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-10-07 00:48:44,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:48:44,993 INFO L225 Difference]: With dead ends: 37 [2019-10-07 00:48:44,993 INFO L226 Difference]: Without dead ends: 26 [2019-10-07 00:48:44,994 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 00:48:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-07 00:48:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2019-10-07 00:48:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-10-07 00:48:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2019-10-07 00:48:45,009 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2019-10-07 00:48:45,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:48:45,010 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-10-07 00:48:45,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 00:48:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2019-10-07 00:48:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-07 00:48:45,011 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:48:45,011 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:48:45,012 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:48:45,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:48:45,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1527514986, now seen corresponding path program 1 times [2019-10-07 00:48:45,013 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:48:45,013 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:48:45,014 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:45,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:48:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:48:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:48:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-07 00:48:45,149 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:48:45,149 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:48:45,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:48:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:48:45,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 00:48:45,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:48:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-07 00:48:45,327 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:48:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-07 00:48:45,378 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:48:45,415 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-07 00:48:45,415 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:48:45,422 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:48:45,430 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:48:45,430 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:48:45,667 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-07 00:48:46,499 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-10-07 00:48:46,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:48:46,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 00:48:46,864 INFO L168 Benchmark]: Toolchain (without parser) took 3683.26 ms. Allocated memory was 143.1 MB in the beginning and 249.0 MB in the end (delta: 105.9 MB). Free memory was 101.0 MB in the beginning and 206.3 MB in the end (delta: -105.3 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. [2019-10-07 00:48:46,865 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 143.1 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 00:48:46,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.75 ms. Allocated memory is still 143.1 MB. Free memory was 101.0 MB in the beginning and 90.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-07 00:48:46,867 INFO L168 Benchmark]: Boogie Preprocessor took 131.17 ms. Allocated memory was 143.1 MB in the beginning and 202.4 MB in the end (delta: 59.2 MB). Free memory was 90.1 MB in the beginning and 179.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-07 00:48:46,868 INFO L168 Benchmark]: RCFGBuilder took 623.46 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 154.1 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-10-07 00:48:46,869 INFO L168 Benchmark]: TraceAbstraction took 2666.46 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 153.1 MB in the beginning and 206.3 MB in the end (delta: -53.2 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2019-10-07 00:48:46,873 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 143.1 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.75 ms. Allocated memory is still 143.1 MB. Free memory was 101.0 MB in the beginning and 90.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.17 ms. Allocated memory was 143.1 MB in the beginning and 202.4 MB in the end (delta: 59.2 MB). Free memory was 90.1 MB in the beginning and 179.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 623.46 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 154.1 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2666.46 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 153.1 MB in the beginning and 206.3 MB in the end (delta: -53.2 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...