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/rangesum.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:31:35,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:31:35,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:31:35,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-09 05:31:36,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:31:36,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:31:36,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:31:36,006 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 05:31:36,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:31:36,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:31:36,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:31:36,023 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:31:36,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:31:36,024 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:31:36,024 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:31:36,024 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:31:36,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:31:36,025 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:31:36,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:31:36,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:31:36,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:31:36,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:31:36,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:31:36,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:31:36,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:31:36,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:31:36,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:31:36,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:31:36,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:31:36,028 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:31:36,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:31:36,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:31:36,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:31:36,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:31:36,029 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:31:36,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:31:36,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:31:36,030 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:31:36,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:31:36,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:31:36,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:31:36,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:31:36,083 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:31:36,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum.i [2019-09-09 05:31:36,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b0d38ac/9006f09758784f499a57dac6d28c17a7/FLAG89b8d971f [2019-09-09 05:31:36,662 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:31:36,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum.i [2019-09-09 05:31:36,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b0d38ac/9006f09758784f499a57dac6d28c17a7/FLAG89b8d971f [2019-09-09 05:31:37,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b0d38ac/9006f09758784f499a57dac6d28c17a7 [2019-09-09 05:31:37,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:31:37,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:31:37,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:31:37,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:31:37,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:31:37,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d21465a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37, skipping insertion in model container [2019-09-09 05:31:37,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,039 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:31:37,054 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:31:37,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:31:37,259 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:31:37,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:31:37,323 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:31:37,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37 WrapperNode [2019-09-09 05:31:37,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:31:37,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:31:37,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:31:37,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:31:37,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (1/1) ... [2019-09-09 05:31:37,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:31:37,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:31:37,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:31:37,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:31:37,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (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 05:31:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:31:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:31:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2019-09-09 05:31:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-09-09 05:31:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:31:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:31:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:31:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2019-09-09 05:31:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 05:31:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-09-09 05:31:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 05:31:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:31:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 05:31:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 05:31:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:31:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:31:37,862 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:31:37,863 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-09 05:31:37,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:31:37 BoogieIcfgContainer [2019-09-09 05:31:37,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:31:37,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:31:37,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:31:37,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:31:37,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:31:37" (1/3) ... [2019-09-09 05:31:37,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28794276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:31:37, skipping insertion in model container [2019-09-09 05:31:37,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:31:37" (2/3) ... [2019-09-09 05:31:37,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28794276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:31:37, skipping insertion in model container [2019-09-09 05:31:37,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:31:37" (3/3) ... [2019-09-09 05:31:37,872 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum.i [2019-09-09 05:31:37,888 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:31:37,896 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:31:37,931 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:31:37,964 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:31:37,964 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:31:37,964 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:31:37,964 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:31:37,964 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:31:37,964 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:31:37,965 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:31:37,965 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:31:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-09-09 05:31:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-09 05:31:37,990 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:31:37,992 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, 1, 1, 1, 1, 1, 1] [2019-09-09 05:31:37,994 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:31:38,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:31:38,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1377249276, now seen corresponding path program 1 times [2019-09-09 05:31:38,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:31:38,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:31:38,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:31:38,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:31:38,046 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:31:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:31:38,139 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-09-09 05:31:38,139 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:31:38,139 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-09 05:31:38,140 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 39 with the following transitions: [2019-09-09 05:31:38,143 INFO L207 CegarAbsIntRunner]: [0], [1], [5], [8], [10], [12], [14], [20], [28], [30], [33], [34], [45], [51], [66], [68], [69], [81], [83], [84], [85], [86], [88], [89], [90], [91], [92], [93], [94], [95] [2019-09-09 05:31:38,177 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 05:31:38,177 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-09 05:31:38,248 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-09 05:31:38,250 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 05:31:38,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:31:38,254 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-09 05:31:38,308 INFO L227 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 96.67% of their original sizes. [2019-09-09 05:31:38,309 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-09 05:31:38,320 INFO L420 sIntCurrentIteration]: We unified 37 AI predicates to 37 [2019-09-09 05:31:38,320 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-09 05:31:38,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:31:38,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:31:38,322 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:31:38,328 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:31:38,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:31:38,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:31:38,335 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 3 states. [2019-09-09 05:31:38,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:31:38,361 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-09-09 05:31:38,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:31:38,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-09-09 05:31:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:31:38,370 INFO L225 Difference]: With dead ends: 12 [2019-09-09 05:31:38,371 INFO L226 Difference]: Without dead ends: 0 [2019-09-09 05:31:38,373 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 05:31:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-09 05:31:38,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-09 05:31:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-09 05:31:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-09 05:31:38,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-09-09 05:31:38,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:31:38,403 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-09 05:31:38,403 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:31:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-09 05:31:38,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-09 05:31:38,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:31:38 BoogieIcfgContainer [2019-09-09 05:31:38,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:31:38,412 INFO L168 Benchmark]: Toolchain (without parser) took 1391.56 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 88.6 MB in the beginning and 131.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:38,413 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:31:38,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.67 ms. Allocated memory is still 132.6 MB. Free memory was 88.4 MB in the beginning and 78.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:38,415 INFO L168 Benchmark]: Boogie Preprocessor took 153.15 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 78.0 MB in the beginning and 177.1 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:38,416 INFO L168 Benchmark]: RCFGBuilder took 386.75 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 158.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:38,417 INFO L168 Benchmark]: TraceAbstraction took 543.67 ms. Allocated memory is still 201.3 MB. Free memory was 158.9 MB in the beginning and 131.3 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-09 05:31:38,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 299.67 ms. Allocated memory is still 132.6 MB. Free memory was 88.4 MB in the beginning and 78.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.15 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 78.0 MB in the beginning and 177.1 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 386.75 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 158.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 543.67 ms. Allocated memory is still 201.3 MB. Free memory was 158.9 MB in the beginning and 131.3 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 53]: 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 5 procedures, 39 locations, 1 error locations. SAFE Result, 0.4s 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, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 0.9864864864864865 AbsIntWeakeningRatio, 1.3783783783783783 AbsIntAvgWeakeningVarsNumRemoved, 0.43243243243243246 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, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...