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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/reducercommutativity/max.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:31:05,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:31:05,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:31:05,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-09 05:31:05,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 05:31:05,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:31:05,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:31:05,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:31:05,198 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:31:05,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:31:05,199 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:31:05,199 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:31:05,200 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:31:05,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:31:05,200 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:31:05,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:31:05,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:31:05,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:31:05,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:31:05,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:31:05,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:31:05,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:31:05,202 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:31:05,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:31:05,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:31:05,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:31:05,203 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:31:05,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:31:05,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:31:05,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:31:05,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:31:05,204 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:31:05,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:31:05,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:31:05,205 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:31:05,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:31:05,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:31:05,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:31:05,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:31:05,275 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:31:05,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max.i [2019-09-09 05:31:05,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27de58f21/63f45de159464c048d9878f3289ca3b9/FLAG4addd3fe3 [2019-09-09 05:31:05,879 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:31:05,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/max.i [2019-09-09 05:31:05,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27de58f21/63f45de159464c048d9878f3289ca3b9/FLAG4addd3fe3 [2019-09-09 05:31:06,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27de58f21/63f45de159464c048d9878f3289ca3b9 [2019-09-09 05:31:06,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:31:06,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:31:06,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:31:06,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:31:06,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:31:06,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625b54e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06, skipping insertion in model container [2019-09-09 05:31:06,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:31:06,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:31:06,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:31:06,518 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:31:06,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:31:06,654 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:31:06,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06 WrapperNode [2019-09-09 05:31:06,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:31:06,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:31:06,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:31:06,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:31:06,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (1/1) ... [2019-09-09 05:31:06,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:31:06,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:31:06,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:31:06,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:31:06,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (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 [2019-09-09 05:31:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:31:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:31:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2019-09-09 05:31:06,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:31:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:31:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:31:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure max [2019-09-09 05:31:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 05:31:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:31:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 05:31:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 05:31:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 05:31:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:31:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:31:07,085 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:31:07,085 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-09 05:31:07,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:31:07 BoogieIcfgContainer [2019-09-09 05:31:07,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:31:07,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:31:07,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:31:07,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:31:07,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:31:06" (1/3) ... [2019-09-09 05:31:07,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8a79b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:31:07, skipping insertion in model container [2019-09-09 05:31:07,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:06" (2/3) ... [2019-09-09 05:31:07,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8a79b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:31:07, skipping insertion in model container [2019-09-09 05:31:07,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:31:07" (3/3) ... [2019-09-09 05:31:07,095 INFO L109 eAbstractionObserver]: Analyzing ICFG max.i [2019-09-09 05:31:07,105 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:31:07,113 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:31:07,131 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:31:07,164 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:31:07,165 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:31:07,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:31:07,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:31:07,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:31:07,165 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:31:07,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:31:07,166 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:31:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-09-09 05:31:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-09 05:31:07,195 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:31:07,196 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:31:07,198 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:31:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:31:07,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1705268457, now seen corresponding path program 1 times [2019-09-09 05:31:07,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:31:07,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:31:07,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:31:07,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:31:07,248 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:31:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:31:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-09 05:31:07,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:31:07,362 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-09 05:31:07,363 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 33 with the following transitions: [2019-09-09 05:31:07,365 INFO L207 CegarAbsIntRunner]: [0], [1], [2], [21], [23], [24], [28], [31], [33], [35], [41], [49], [51], [54], [55], [66], [67], [68], [70], [71], [72], [73], [74], [75] [2019-09-09 05:31:07,410 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 05:31:07,410 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-09 05:31:07,495 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-09 05:31:07,497 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 2. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Never found a fixpoint. Largest state had 28 variables. [2019-09-09 05:31:07,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:31:07,502 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-09 05:31:07,563 INFO L227 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 96.67% of their original sizes. [2019-09-09 05:31:07,563 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-09 05:31:07,576 INFO L420 sIntCurrentIteration]: We unified 31 AI predicates to 31 [2019-09-09 05:31:07,576 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-09 05:31:07,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 05:31:07,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [2] total 3 [2019-09-09 05:31:07,581 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:31:07,590 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:31:07,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:31:07,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:31:07,601 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2019-09-09 05:31:07,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:31:07,642 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-09-09 05:31:07,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:31:07,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-09 05:31:07,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:31:07,652 INFO L225 Difference]: With dead ends: 12 [2019-09-09 05:31:07,653 INFO L226 Difference]: Without dead ends: 0 [2019-09-09 05:31:07,657 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:31:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-09 05:31:07,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-09 05:31:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-09 05:31:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-09 05:31:07,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-09-09 05:31:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:31:07,688 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-09 05:31:07,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:31:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-09 05:31:07,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-09 05:31:07,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:31:07 BoogieIcfgContainer [2019-09-09 05:31:07,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:31:07,700 INFO L168 Benchmark]: Toolchain (without parser) took 1406.37 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.7 MB in the beginning and 129.8 MB in the end (delta: -39.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:07,703 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:31:07,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.87 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 177.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:07,707 INFO L168 Benchmark]: Boogie Preprocessor took 43.61 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:07,709 INFO L168 Benchmark]: RCFGBuilder took 388.15 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 159.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:07,710 INFO L168 Benchmark]: TraceAbstraction took 608.31 ms. Allocated memory is still 200.8 MB. Free memory was 159.2 MB in the beginning and 130.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:07,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 361.87 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 177.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.61 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.15 ms. Allocated memory is still 200.8 MB. Free memory was 175.6 MB in the beginning and 159.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 608.31 ms. Allocated memory is still 200.8 MB. Free memory was 159.2 MB in the beginning and 130.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 33 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 0 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9623655913978494 AbsIntWeakeningRatio, 1.3870967741935485 AbsIntAvgWeakeningVarsNumRemoved, 0.5161290322580645 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 9/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...