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/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:04:14,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:04:14,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:04:14,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:04:14,618 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 [2019-09-16 17:04:14,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:04:14,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:04:14,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:04:14,634 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:04:14,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:04:14,634 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:04:14,635 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:04:14,635 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:04:14,635 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:04:14,635 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:04:14,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:04:14,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:04:14,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:04:14,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:04:14,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:04:14,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:04:14,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:04:14,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:04:14,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:04:14,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:04:14,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:04:14,638 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:04:14,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:04:14,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:04:14,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:04:14,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:04:14,639 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:04:14,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:04:14,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:04:14,640 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:04:14,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:04:14,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:04:14,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:04:14,686 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:04:14,687 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:04:14,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-16 17:04:14,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73981d6d7/bb13b03a084c495eaaadd2f138ef24f2/FLAG00f71a692 [2019-09-16 17:04:15,142 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:04:15,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-16 17:04:15,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73981d6d7/bb13b03a084c495eaaadd2f138ef24f2/FLAG00f71a692 [2019-09-16 17:04:15,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73981d6d7/bb13b03a084c495eaaadd2f138ef24f2 [2019-09-16 17:04:15,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:04:15,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:04:15,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:04:15,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:04:15,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:04:15,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3280ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15, skipping insertion in model container [2019-09-16 17:04:15,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,584 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:04:15,609 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:04:15,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:04:15,787 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:04:15,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:04:15,822 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:04:15,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15 WrapperNode [2019-09-16 17:04:15,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:04:15,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:04:15,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:04:15,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:04:15,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (1/1) ... [2019-09-16 17:04:15,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:04:15,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:04:15,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:04:15,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:04:15,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (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 [2019-09-16 17:04:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:04:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:04:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-16 17:04:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:04:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:04:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:04:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-16 17:04:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:04:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:04:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:04:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:04:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:04:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:04:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:04:16,322 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:04:16,323 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-16 17:04:16,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:04:16 BoogieIcfgContainer [2019-09-16 17:04:16,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:04:16,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:04:16,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:04:16,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:04:16,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:04:15" (1/3) ... [2019-09-16 17:04:16,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fed3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:04:16, skipping insertion in model container [2019-09-16 17:04:16,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:04:15" (2/3) ... [2019-09-16 17:04:16,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fed3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:04:16, skipping insertion in model container [2019-09-16 17:04:16,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:04:16" (3/3) ... [2019-09-16 17:04:16,338 INFO L109 eAbstractionObserver]: Analyzing ICFG sep.i [2019-09-16 17:04:16,348 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:04:16,356 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:04:16,372 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:04:16,395 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:04:16,395 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:04:16,395 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:04:16,395 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:04:16,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:04:16,396 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:04:16,396 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:04:16,396 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:04:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-09-16 17:04:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-16 17:04:16,419 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:04:16,420 INFO L407 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] [2019-09-16 17:04:16,422 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:04:16,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:16,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1691531413, now seen corresponding path program 1 times [2019-09-16 17:04:16,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:04:16,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:16,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:04:16,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:04:16,482 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:04:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:04:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-16 17:04:16,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:04:16,683 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:04:16,684 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 33 with the following transitions: [2019-09-16 17:04:16,688 INFO L207 CegarAbsIntRunner]: [0], [1], [5], [8], [10], [12], [18], [26], [28], [31], [32], [43], [49], [62], [63], [64], [65], [66], [68], [69], [70], [71], [72], [73] [2019-09-16 17:04:16,737 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:04:16,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:04:16,859 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:04:16,862 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. [2019-09-16 17:04:16,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:04:16,867 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:04:16,948 INFO L227 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 96.67% of their original sizes. [2019-09-16 17:04:16,948 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:04:16,964 INFO L420 sIntCurrentIteration]: We unified 31 AI predicates to 31 [2019-09-16 17:04:16,965 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:04:16,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:04:16,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-16 17:04:16,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:04:16,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:04:16,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:04:16,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:04:16,979 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2019-09-16 17:04:17,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:04:17,002 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-09-16 17:04:17,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:04:17,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-16 17:04:17,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:04:17,010 INFO L225 Difference]: With dead ends: 12 [2019-09-16 17:04:17,010 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:04:17,012 INFO L636 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 [2019-09-16 17:04:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:04:17,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:04:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:04:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:04:17,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-09-16 17:04:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:04:17,034 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:04:17,035 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:04:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:04:17,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:04:17,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:04:17 BoogieIcfgContainer [2019-09-16 17:04:17,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:04:17,043 INFO L168 Benchmark]: Toolchain (without parser) took 1473.54 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 85.8 MB in the beginning and 123.7 MB in the end (delta: -37.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:17,044 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:04:17,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.07 ms. Allocated memory is still 130.0 MB. Free memory was 85.6 MB in the beginning and 75.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:17,046 INFO L168 Benchmark]: Boogie Preprocessor took 129.88 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 75.2 MB in the beginning and 173.7 MB in the end (delta: -98.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:17,047 INFO L168 Benchmark]: RCFGBuilder took 370.23 ms. Allocated memory is still 198.2 MB. Free memory was 173.7 MB in the beginning and 157.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:17,048 INFO L168 Benchmark]: TraceAbstraction took 715.13 ms. Allocated memory is still 198.2 MB. Free memory was 156.4 MB in the beginning and 123.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:04:17,052 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.07 ms. Allocated memory is still 130.0 MB. Free memory was 85.6 MB in the beginning and 75.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.88 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 75.2 MB in the beginning and 173.7 MB in the end (delta: -98.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.23 ms. Allocated memory is still 198.2 MB. Free memory was 173.7 MB in the beginning and 157.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 715.13 ms. Allocated memory is still 198.2 MB. Free memory was 156.4 MB in the beginning and 123.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: 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, 32 locations, 1 error locations. SAFE Result, 0.6s 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=32occurred 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, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 1271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 7/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...